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Galvanized Steel Sheet
Home Galvanized Steel Galvanized Steel Sheet

High Corrosion Resistance Galvanized Sheet

High Corrosion Resistance Galvanized Sheet

High Corrosion Resistance Galvanized Sheet is a premium galvanized steel sheet engineered for superior protection against corrosion and environmental exposure. It offers outstanding durability and long service life, making it ideal for construction, infrastructure, industrial equipment, and outdoor applications.

  • Material Type :

    Hot-dip galvanized steel with heavy zinc coating (DX51D+Z, DX54D+Z, SGHC)
  • Width Range :

    800mm – 1600mm
  • Thickness Range :

    0.18mm – 6.0mm
  • Customizable :

    Yes
  • Order(MOQ) :

    2T

Specifications

 

High corrosion resistance galvanized sheets are manufactured using advanced galvanizing technologies and optimized zinc coating systems, providing enhanced protection against moisture, oxidation, and corrosive environments. The protective zinc layer effectively shields the steel substrate and minimizes the risk of rust formation.

 

These steel sheets offer excellent weather resistance, durability, and formability, allowing them to perform reliably in coastal, industrial, and high-humidity environments. Their superior corrosion resistance helps reduce maintenance costs and extend operational lifespan.

 

High corrosion resistance galvanized sheets are widely used in building construction, roofing and cladding systems, agricultural facilities, transportation equipment, electrical enclosures, and industrial infrastructure projects, where long-term protection, structural reliability, and environmental durability are essential.

 

High Corrosion Resistance Galvanized Sheet is one of our core strength products. We maintain substantial inventory to ensure rapid delivery and can also customize extra-large diameter seamless pipes according to your specific requirements. Additionally, we provide comprehensive services including spectroscopic analysis, mechanical property testing, pressure testing, and non-destructive testing (NDT).

 

Grade Grade Equivalent Mechanical Properties Size Range Chemical Composition (Typical, %)
DC01+Z Commercial Grade High Corrosion Resistance GB/T 2518 DC01+Z
 
ASTM A653 CS Type A
 
JIS G3302 SGCC
 
EN 10152 DX51D+Z
Tensile 270–410 MPa
 
Yield ≥140 MPa
 
Elongation ≥38%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Coating Adhesion: Conforms to GB/T 2694 & ASTM A123
 
Regular/Zero Spangle Available
Thickness 0.3–12.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.12, Si≤0.30
 
Mn≤0.60, P≤0.045, S≤0.045, Al≥0.020
DC03+Z Stamping Grade High Corrosion Resistance GB/T 2518 DC03+Z
 
ASTM A653 CS Type B
 
JIS G3302 SGCD1
 
EN 10152 DX52D+Z
Tensile 270–370 MPa
 
Yield ≥120 MPa
 
Elongation ≥42%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Excellent Stamping Performance for Auto Parts & Home Appliance Liners
 
Regular/Zero Spangle Available
Thickness 0.4–10.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.10, Si≤0.30
 
Mn≤0.45, P≤0.035, S≤0.035, Al≥0.020
DC04+Z Deep Drawing Grade High Corrosion Resistance GB/T 2518 DC04+Z
 
ASTM A653 DDS Type A
 
JIS G3302 SGCD2
 
EN 10152 DX53D+Z
Tensile 270–350 MPa
 
Yield ≥100 MPa
 
Elongation ≥46%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Superior Deep Drawing Performance for Complex Formed Parts & Auto Panels
 
Regular/Zero Spangle Available
Thickness 0.5–8.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.08, Si≤0.30
 
Mn≤0.40, P≤0.030, S≤0.030, Al≥0.020
DC05+Z Extra Deep Drawing Grade High Corrosion Resistance GB/T 2518 DC05+Z
 
ASTM A653 DDS Type B
 
JIS G3302 SGCD3
 
EN 10152 DX54D+Z
Tensile 250–330 MPa
 
Yield ≥90 MPa
 
Elongation ≥48%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Ultra Deep Drawing Performance for Complex Stretched Parts & High-end Home Appliance Panels
 
Regular/Zero Spangle Available
Thickness 0.6–6.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.06, Si≤0.30
 
Mn≤0.35, P≤0.025, S≤0.025, Al≥0.020
DC06+Z Super Extra Deep Drawing Grade High Corrosion Resistance GB/T 2518 DC06+Z
 
ASTM A653 EDDS
 
JIS G3302 SGCD4
 
EN 10152 DX56D+Z
Tensile 240–320 MPa
 
Yield ≥80 MPa
 
Elongation ≥50%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Ultimate Deep Drawing Performance for Extreme Complex Formed Parts & High-end Auto Exterior Panels
 
Regular/Zero Spangle Available
Thickness 0.7–6.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.04, Si≤0.30
 
Mn≤0.30, P≤0.020, S≤0.020, Al≥0.020
Q195 Commercial Structural Grade High Corrosion Resistance GB/T 2518 Q195+Z
 
ASTM A653 CS Type A
 
EN 10152 DX51D+Z
 
JIS G3302 SGCC
Tensile 315–430 MPa
 
Yield ≥195 MPa
 
Elongation ≥30%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Suitable for General Structure, Decoration, Ventilation Ducts & Storage Equipment
 
Regular/Zero Spangle Available
Thickness 0.3–12.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.12, Si≤0.30
 
Mn≤0.50, P≤0.045, S≤0.045
Q235B Structural Grade High Corrosion Resistance GB/T 2518 Q235B+Z
 
ASTM A653 CS Type B
 
EN 10152 DX52D+Z
 
JIS G3302 SGCD1
Tensile 370–500 MPa
 
Yield ≥235 MPa
 
Elongation ≥26%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Suitable for Steel Structure, Brackets, Guardrails & Construction Use
 
Regular/Zero Spangle Available
Thickness 0.5–12.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.22, Si≤0.35
 
Mn≤1.40, P≤0.045, S≤0.045
Q355B High Strength Low Alloy High Corrosion Resistance GB/T 2518 Q355B+Z
 
ASTM A653 HSLA Grade 50
 
EN 10152 S355GD+Z
 
JIS G3302 SGHC440
Tensile ≥470 MPa
 
Yield ≥355 MPa
 
Elongation ≥21%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Suitable for High Strength Structure, Heavy Load Brackets, Bridge Accessories & Agricultural Machinery Parts
 
Regular/Zero Spangle Available
Thickness 1.0–12.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.24, Si≤0.55
 
Mn≤1.60, P≤0.035, S≤0.035
Q420B Ultra High Strength Low Alloy High Corrosion Resistance GB/T 2518 Q420B+Z
 
ASTM A653 HSLA Grade 60
 
EN 10152 S420GD+Z
 
JIS G3302 SGHC490
Tensile ≥520 MPa
 
Yield ≥420 MPa
 
Elongation ≥19%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Suitable for Ultra High Strength Structure, Heavy Equipment, Bridge Components & High Load Bearing Parts
 
Regular/Zero Spangle Available
Thickness 1.0–10.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.20, Si≤0.55
 
Mn≤1.70, P≤0.030, S≤0.030
Q460C Extra High Strength Low Alloy High Corrosion Resistance GB/T 2518 Q460C+Z
 
ASTM A653 HSLA Grade 65
 
EN 10152 S460GD+Z
 
JIS G3302 SGHC540
Tensile ≥550 MPa
 
Yield ≥460 MPa
 
Elongation ≥17%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Suitable for Extra High Strength Structure, Heavy Load Equipment, Bridge Main Components & Offshore Engineering Parts
 
Regular/Zero Spangle Available
Thickness 2.0–10.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.20, Si≤0.60
 
Mn≤1.80, P≤0.025, S≤0.020
DC01+ZM Zinc-Aluminum-Magnesium Alloy Ultra High Corrosion Resistance GB/T 31901 DC01+ZM
 
ASTM A792 AZM150
 
EN 10346 DX51D+ZM
 
JIS G3321 SGLC400
Tensile 270–410 MPa
 
Yield ≥140 MPa
 
Elongation ≥38%
 
Double-sided Zn-Al-Mg Alloy Coating Weight: 150–400 g/㎡
 
Neutral Salt Spray Test: ≥2000h No White Rust, ≥4000h No Red Rust
 
Superior Corrosion Resistance in Coastal, Industrial & High Humidity Environments
 
Zero Spangle Smooth Surface
Thickness 0.3–8.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.12, Si≤0.30
 
Mn≤0.60, P≤0.045, S≤0.045, Al≥0.020
 
Coating: Zn 80-95%, Al 3-10%, Mg 1-3%
DC03+ZM Zinc-Aluminum-Magnesium Alloy Stamping Grade Ultra High Corrosion Resistance GB/T 31901 DC03+ZM
 
ASTM A792 AZM150
 
EN 10346 DX52D+ZM
 
JIS G3321 SGLC400
Tensile 270–370 MPa
 
Yield ≥120 MPa
 
Elongation ≥42%
 
Double-sided Zn-Al-Mg Alloy Coating Weight: 150–400 g/㎡
 
Neutral Salt Spray Test: ≥2000h No White Rust, ≥4000h No Red Rust
 
Excellent Stamping Performance for Auto Body Parts & High-end Home Appliances
 
Zero Spangle Smooth Surface
Thickness 0.4–6.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.10, Si≤0.30
 
Mn≤0.45, P≤0.035, S≤0.035, Al≥0.020
 
Coating: Zn 80-95%, Al 3-10%, Mg 1-3%
DC04+ZM Zinc-Aluminum-Magnesium Alloy Deep Drawing Grade Ultra High Corrosion Resistance GB/T 31901 DC04+ZM
 
ASTM A792 AZM150
 
EN 10346 DX53D+ZM
 
JIS G3321 SGLC400
Tensile 270–350 MPa
 
Yield ≥100 MPa
 
Elongation ≥46%
 
Double-sided Zn-Al-Mg Alloy Coating Weight: 150–400 g/㎡
 
Neutral Salt Spray Test: ≥2000h No White Rust, ≥4000h No Red Rust
 
Superior Deep Drawing Performance for Complex Formed Parts
 
Zero Spangle Smooth Surface
Thickness 0.5–5.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.08, Si≤0.30
 
Mn≤0.40, P≤0.030, S≤0.030, Al≥0.020
 
Coating: Zn 80-95%, Al 3-10%, Mg 1-3%
Q235B+ZM Zinc-Aluminum-Magnesium Alloy Structural Grade Ultra High Corrosion Resistance GB/T 31901 Q235B+ZM
 
ASTM A792 AZM150
 
EN 10346 S235GD+ZM
 
JIS G3321 SGLC400
Tensile 370–500 MPa
 
Yield ≥235 MPa
 
Elongation ≥26%
 
Double-sided Zn-Al-Mg Alloy Coating Weight: 150–400 g/㎡
 
Neutral Salt Spray Test: ≥2000h No White Rust, ≥4000h No Red Rust
 
Suitable for Coastal Steel Structure, Guardrails, Brackets & Offshore Engineering
 
Zero Spangle Smooth Surface
Thickness 0.5–10.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.22, Si≤0.35
 
Mn≤1.40, P≤0.045, S≤0.045
 
Coating: Zn 80-95%, Al 3-10%, Mg 1-3%
Q355B+ZM Zinc-Aluminum-Magnesium Alloy High Strength Grade Ultra High Corrosion Resistance GB/T 31901 Q355B+ZM
 
ASTM A792 AZM150
 
EN 10346 S355GD+ZM
 
JIS G3321 SGLC440
Tensile ≥470 MPa
 
Yield ≥355 MPa
 
Elongation ≥21%
 
Double-sided Zn-Al-Mg Alloy Coating Weight: 150–400 g/㎡
 
Neutral Salt Spray Test: ≥2000h No White Rust, ≥4000h No Red Rust
 
Suitable for High Strength Coastal Structure, Heavy Load Brackets & Bridge Accessories
 
Zero Spangle Smooth Surface
Thickness 1.0–10.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.24, Si≤0.55
 
Mn≤1.60, P≤0.035, S≤0.035
 
Coating: Zn 80-95%, Al 3-10%, Mg 1-3%
DC04+ZnNi Zinc-Nickel Alloy Automotive Grade High Corrosion Resistance GB/T 20492 DC04+ZnNi
 
ASTM A879 ZnNi10
 
EN 10346 DX53D+ZnNi
 
JIS G3317 SGZN10
Tensile 270–350 MPa
 
Yield ≥100 MPa
 
Elongation ≥46%
 
Double-sided Zn-Ni Alloy Coating Weight: 100–300 g/㎡
 
Neutral Salt Spray Test: ≥1500h No White Rust, ≥3000h No Red Rust
 
Superior Corrosion Resistance for Automotive Chassis & Body Parts
 
Excellent Weldability & Paint Adhesion
Thickness 0.5–4.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.08, Si≤0.30
 
Mn≤0.40, P≤0.030, S≤0.030, Al≥0.020
 
Coating: Zn 85-95%, Ni 5-15%
DC03+ZnFe Zinc-Iron Alloy Home Appliance Grade High Corrosion Resistance GB/T 14978 DC03+ZnFe
 
ASTM A653 ZnFe12
 
EN 10346 DX52D+ZnFe
 
JIS G3316 SGHF12
Tensile 270–370 MPa
 
Yield ≥120 MPa
 
Elongation ≥42%
 
Double-sided Zn-Fe Alloy Coating Weight: 120–300 g/㎡
 
Neutral Salt Spray Test: ≥1200h No White Rust, ≥2500h No Red Rust
 
Excellent Corrosion Resistance & Paint Adhesion for Home Appliance Shells & Liners
 
Good Stamping Performance
Thickness 0.4–5.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.10, Si≤0.30
 
Mn≤0.45, P≤0.035, S≤0.035, Al≥0.020
 
Coating: Zn 80-90%, Fe 10-20%
ASTM A653 Grade 33 High Corrosion Resistance ASTM A653 CS Type 33
 
GB/T 2518 Q215+Z
 
EN 10152 DX51D+Z
 
JIS G3302 SGCC
Tensile 340–420 MPa
 
Yield ≥230 MPa
 
Elongation ≥28%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to ASTM A653 Standard, Suitable for General Commercial Use, Formed Parts & Construction Accessories
 
Regular/Zero Spangle Available
Thickness 0.3–12.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.15, Si≤0.30
 
Mn≤0.60, P≤0.040, S≤0.050
ASTM A653 Grade 50 High Strength High Corrosion Resistance ASTM A653 HSLA Grade 50
 
GB/T 2518 Q355B+Z
 
EN 10152 S355GD+Z
 
JIS G3302 SGHC440
Tensile 485–620 MPa
 
Yield ≥345 MPa
 
Elongation ≥22%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to ASTM A653 Standard, Suitable for High Strength Structure, Auto Chassis & Agricultural Machinery Parts
 
Regular/Zero Spangle Available
Thickness 0.8–10.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.23, Si≤0.40
 
Mn≤1.35, P≤0.035, S≤0.040
ASTM A653 Grade 60 Ultra High Strength High Corrosion Resistance ASTM A653 HSLA Grade 60
 
GB/T 2518 Q420B+Z
 
EN 10152 S420GD+Z
 
JIS G3302 SGHC490
Tensile ≥520 MPa
 
Yield ≥415 MPa
 
Elongation ≥18%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to ASTM A653 Standard, Suitable for Ultra High Strength Structure, Heavy Load Equipment & Bridge Components
 
Regular/Zero Spangle Available
Thickness 1.0–10.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.20, Si≤0.40
 
Mn≤1.35, P≤0.030, S≤0.035
EN 10152 DX51D+Z High Corrosion Resistance EN 10152 DX51D+Z
 
GB/T 2518 DC01+Z
 
ASTM A653 CS Type A
 
JIS G3302 SGCC
Tensile 270–410 MPa
 
Yield ≥140 MPa
 
Elongation ≥38%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to EN 10152 Standard, Suitable for General Forming, Decoration, Home Appliances & Construction
 
Regular/Zero Spangle Available
Thickness 0.3–12.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.12, Si≤0.30
 
Mn≤0.60, P≤0.045, S≤0.045, Al≥0.020
EN 10152 DX52D+Z Stamping Grade High Corrosion Resistance EN 10152 DX52D+Z
 
GB/T 2518 DC03+Z
 
ASTM A653 CS Type B
 
JIS G3302 SGCD1
Tensile 270–370 MPa
 
Yield ≥120 MPa
 
Elongation ≥42%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to EN 10152 Standard, Suitable for Stamping Parts, Auto Accessories & Home Appliance Liners
 
Regular/Zero Spangle Available
Thickness 0.4–10.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.10, Si≤0.30
 
Mn≤0.45, P≤0.035, S≤0.035, Al≥0.020
EN 10152 DX53D+Z Deep Drawing Grade High Corrosion Resistance EN 10152 DX53D+Z
 
GB/T 2518 DC04+Z
 
ASTM A653 DDS Type A
 
JIS G3302 SGCD2
Tensile 270–350 MPa
 
Yield ≥100 MPa
 
Elongation ≥46%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to EN 10152 Standard, Suitable for Deep Drawing Parts, Complex Formed Parts & Auto Panels
 
Regular/Zero Spangle Available
Thickness 0.5–8.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.08, Si≤0.30
 
Mn≤0.40, P≤0.030, S≤0.030, Al≥0.020
EN 10152 S355GD+Z High Strength High Corrosion Resistance EN 10152 S355GD+Z
 
GB/T 2518 Q355B+Z
 
ASTM A653 HSLA Grade 50
 
JIS G3302 SGHC440
Tensile ≥470 MPa
 
Yield ≥355 MPa
 
Elongation ≥21%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to EN 10152 Standard, Suitable for High Strength Structure, Heavy Load Brackets & Bridge Accessories
 
Regular/Zero Spangle Available
Thickness 1.0–12.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.24, Si≤0.55
 
Mn≤1.60, P≤0.035, S≤0.035
EN 10152 S420GD+Z Ultra High Strength High Corrosion Resistance EN 10152 S420GD+Z
 
GB/T 2518 Q420B+Z
 
ASTM A653 HSLA Grade 60
 
JIS G3302 SGHC490
Tensile ≥520 MPa
 
Yield ≥420 MPa
 
Elongation ≥19%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to EN 10152 Standard, Suitable for Ultra High Strength Structure, Heavy Equipment & Bridge Components
 
Regular/Zero Spangle Available
Thickness 1.0–10.0 mm
 
Width 1000–1800 mm
 
Length 2000–12000 mm
 
Custom Sizes & Coating Weight Available
C≤0.20, Si≤0.55
 
Mn≤1.70, P≤0.030, S≤0.030
JIS G3302 SGCC High Corrosion Resistance JIS G3302 SGCC
 
GB/T 2518 DC01+Z
 
ASTM A653 CS Type A
 
EN 10152 DX51D+Z
Tensile 270–410 MPa
 
Yield ≥140 MPa
 
Elongation ≥38%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to JIS G3302 Standard, Suitable for General Commercial Use, Decoration & Home Appliance Shells
 
Regular/Zero Spangle Available
Thickness 0.3–12.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.12, Si≤0.30
 
Mn≤0.60, P≤0.045, S≤0.045, Al≥0.020
JIS G3302 SGCD1 Stamping Grade High Corrosion Resistance JIS G3302 SGCD1
 
GB/T 2518 DC03+Z
 
ASTM A653 CS Type B
 
EN 10152 DX52D+Z
Tensile 270–370 MPa
 
Yield ≥120 MPa
 
Elongation ≥42%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to JIS G3302 Standard, Suitable for Stamping Parts, Auto Accessories & Home Appliance Liners
 
Regular/Zero Spangle Available
Thickness 0.4–10.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.10, Si≤0.30
 
Mn≤0.45, P≤0.035, S≤0.035, Al≥0.020
JIS G3302 SGCD2 Deep Drawing Grade High Corrosion Resistance JIS G3302 SGCD2
 
GB/T 2518 DC04+Z
 
ASTM A653 DDS Type A
 
EN 10152 DX53D+Z
Tensile 270–350 MPa
 
Yield ≥100 MPa
 
Elongation ≥46%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to JIS G3302 Standard, Suitable for Deep Drawing Parts, Complex Formed Parts & Auto Panels
 
Regular/Zero Spangle Available
Thickness 0.5–8.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.08, Si≤0.30
 
Mn≤0.40, P≤0.030, S≤0.030, Al≥0.020
JIS G3302 SGHC440 High Strength High Corrosion Resistance JIS G3302 SGHC440
 
GB/T 2518 Q355B+Z
 
ASTM A653 HSLA Grade 50
 
EN 10152 S355GD+Z
Tensile ≥440 MPa
 
Yield ≥340 MPa
 
Elongation ≥22%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to JIS G3302 Standard, Suitable for High Strength Structure, Auto Chassis & Agricultural Machinery Parts
 
Regular/Zero Spangle Available
Thickness 0.8–10.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.23, Si≤0.40
 
Mn≤1.35, P≤0.035, S≤0.040
JIS G3302 SGHC490 Ultra High Strength High Corrosion Resistance JIS G3302 SGHC490
 
GB/T 2518 Q420B+Z
 
ASTM A653 HSLA Grade 60
 
EN 10152 S420GD+Z
Tensile ≥490 MPa
 
Yield ≥400 MPa
 
Elongation ≥19%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to JIS G3302 Standard, Suitable for Ultra High Strength Structure, Heavy Load Equipment & Bridge Components
 
Regular/Zero Spangle Available
Thickness 1.0–10.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.20, Si≤0.40
 
Mn≤1.35, P≤0.030, S≤0.035
JIS G3302 SGHC540 Extra High Strength High Corrosion Resistance JIS G3302 SGHC540
 
GB/T 2518 Q460C+Z
 
ASTM A653 HSLA Grade 65
 
EN 10152 S460GD+Z
Tensile ≥540 MPa
 
Yield ≥450 MPa
 
Elongation ≥17%
 
Double-sided Zinc Coating Weight: 275–600 g/㎡ (38–85 μm)
 
Neutral Salt Spray Test: ≥1000h No White Rust, ≥2000h No Red Rust
 
Conforms to JIS G3302 Standard, Suitable for Extra High Strength Structure, Heavy Load Equipment & Offshore Engineering Parts
 
Regular/Zero Spangle Available
Thickness 2.0–10.0 mm
 
Width 1000–1500 mm
 
Length 2000–6000 mm
 
Custom Sizes & Coating Weight Available
C≤0.20, Si≤0.40
 
Mn≤1.35, P≤0.025, S≤0.020

Note: If you do not find a High Corrosion Resistance Galvanized Sheet that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan.

 

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Factory

  • High Corrosion Resistance Galvanized Sheet
  • High Corrosion Resistance Galvanized Sheet
  • High Corrosion Resistance Galvanized Sheet
  • High Corrosion Resistance Galvanized Sheet
  • High Corrosion Resistance Galvanized Sheet
  • High Corrosion Resistance Galvanized Sheet

 

 

FAQs

Q: What types and standards of galvanized steel do you mainly supply?

A: We mainly supply hot-dip galvanized steel products including galvanized steel sheets, coils, strips, and pipes. Common base steel grades include DX51D+Z, DX52D+Z, DX53D+Z, and DX54D+Z. The zinc coating thickness typically ranges from Z20 to Z275 to meet different corrosion protection requirements. All galvanized steel products comply with international standards such as ASTM, JIS, and EN. We can also provide material test certificates (MTC) and support customized specifications according to customer requirements.

 

Q: Can you provide special specifications or non-standard customization? For example, extra-wide plates or pipes with specific wall thicknesses?

A: Of course. One of our advantages is our flexible customization capabilities. We can provide customized size cutting, special thicknesses, and special surface treatments (such as 2B, BA, No.4 brushed finish, mirror finish) based on your drawings or requirements. Whether it's a small trial order or a large-volume purchase, we can meet your needs.

 

Q: How do you guarantee the quality and consistency of materials? Do you have quality certifications?

A: Quality is our lifeline. We use direct supply from large steel mills to ensure material traceability. Each shipment comes with a Material Quality Certificate (MTC). We have our own quality control team that conducts random checks on material composition, dimensional tolerances, surface finish, and mechanical properties. Our factory is also ISO 9001:2015 quality management system certified.

 

Q: What are your delivery times and logistics solutions for overseas customers?

A: For standard-specification in-stock products, we can complete preparation and shipment within 7-14 days. Delivery times for customized products will be determined through negotiation based on the specific process. We have established international logistics partners who can arrange full container load (FCL), less-than-container load (LCL), or air freight according to your needs, and provide various trade terms such as EXW, FOB, CIF, and DDP, with door-to-door service.

 

Q: As a new customer, how do I begin cooperation? Can you provide samples for testing? 

A: The cooperation process is very smooth: 1) You provide specific requirements (brand, specifications, quantity, standards); 2) We provide a quotation and technical advice; 3) After confirmation, we arrange the contract and payment; 4) Production/pickup and quality inspection; 5) Shipment and provision of documentation. We encourage sample testing. For serious customers, we can provide small-size samples to ensure that the materials fully meet your processing and application requirements.

 

Note: If you do not find a High Corrosion Resistance Galvanized Sheet that meets your requirements or is suitable for your customer’s project, please contact our manager sales consultant (Email: stsalesman4@stmetal001.com) and send us your specifications and technical parameter files to obtain Customized quotation plan.

 

  • Why Choose Us
    Why Choose Us
    Over 20 years of experience in steel manufacturing, offering a comprehensive product range and one-stop supply solutions. Committed to long-term cooperation and reliable service for global partners.
  • Production & Quality Control
    Production & Quality Control
    Stable production capacity supported by an experienced technical team. Strict quality management with ISO-compliant inspections and optional third-party testing (SGS, TÜV, CE).
  • Packing & Shipping
    Packing & Shipping
    Flexible and secure packaging tailored to product type and customer requirements. Fast and reliable delivery with standard stock in 2 weeks and custom orders scheduled per specifications.
  • Certificate & Compliance
    Certificate & Compliance
    ISO9001 certified with full support for international standards. We provide material certificates (MTC) and third-party inspections to ensure compliance and customer confidence.

 

 
Request A Quote
For inquiries about our steel products, please submit your contact details. Our experts will respond promptly with solutions and support.

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