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High Zinc Coating Galvanized Steel Coil

High Zinc Coating Galvanized Steel Coil

High Zinc Coating Galvanized Steel Coil is a premium galvanized steel coil featuring a heavy zinc coating for outstanding corrosion resistance and extended service life. It is widely used in construction, industrial manufacturing, roofing systems, and infrastructure projects.

Material Type :
Hot-dip galvanized steel coil with heavy zinc layer (DX51D+Z, DX52D+Z, SGHC)
Width Range :
750mm – 1580mm
Thickness Range :
0.15mm – 5.5mm
Customizable :
Yes
Order(MOQ) :
2T

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Specifications

High zinc coating galvanized steel coils are manufactured through advanced hot-dip galvanizing processes, applying a thicker zinc layer to the steel surface for enhanced protection against moisture, oxidation, and harsh environmental conditions. The uniform coating ensures consistent quality and long-lasting performance.

These steel coils offer excellent corrosion resistance, formability, and mechanical strength, making them suitable for roll forming, stamping, bending, and other fabrication processes. The heavy zinc coating significantly reduces maintenance requirements while extending the service life of finished products.

High zinc coating galvanized steel coils are widely used in roofing and wall cladding systems, ventilation ducts, industrial equipment, agricultural facilities, electrical enclosures, and construction materials, where superior corrosion protection, durability, and processing performance are essential.

High Zinc Coating Galvanized Steel Coil 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 1000–1500 mm Coil ID 508/610 mm Coil OD 1000–1800 mm Coil Weight 3–8 tons 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 Zinc Coating	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 1000–1500 mm Coil ID 508/610 mm Coil OD 1000–1800 mm Coil Weight 3–8 tons 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 Zinc Coating	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 1000–1500 mm Coil ID 508/610 mm Coil OD 1000–1800 mm Coil Weight 3–8 tons Custom Sizes & Coating Weight Available	C≤0.04, Si≤0.30 Mn≤0.30, P≤0.020, S≤0.020, Al≥0.020
Q195+Z Commercial Structural Grade High Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons Custom Sizes & Coating Weight Available	C≤0.12, Si≤0.30 Mn≤0.50, P≤0.045, S≤0.045
Q235B+Z General Structural Grade High Zinc Coating	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 Balanced Strength & Formability, Suitable for Steel Structure, Construction Parts, Medium Load Brackets & General Fabrication Regular/Zero Spangle Available	Thickness 0.5–12.0 mm Width 1000–1800 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons Custom Sizes & Coating Weight Available	C≤0.22, Si≤0.35 Mn≤1.40, P≤0.045, S≤0.045
Q355B+Z High Strength Low Alloy High Zinc Coating	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 Excellent High Strength Formability, Suitable for Heavy Load Structural Parts, Bridge Accessories, Agricultural Machinery & Auto Chassis Components Regular/Zero Spangle Available	Thickness 1.0–12.0 mm Width 1000–1800 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons Custom Sizes & Coating Weight Available	C≤0.24, Si≤0.55 Mn≤1.60, P≤0.035, S≤0.035
Q420B+Z Ultra High Strength Low Alloy High Zinc Coating	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 Superior Ultra High Strength Formability, Suitable for Heavy Equipment, High Load Bearing Parts, Bridge Components & Offshore Engineering Structures Regular/Zero Spangle Available	Thickness 1.0–10.0 mm Width 1000–1800 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons Custom Sizes & Coating Weight Available	C≤0.20, Si≤0.55 Mn≤1.70, P≤0.030, S≤0.030
Q460C+Z Extra High Strength Low Alloy High Zinc Coating	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 Excellent Extra High Strength Formability, Suitable for Extreme Heavy Load Equipment, Bridge Main Components & Offshore Engineering Parts Regular/Zero Spangle Available	Thickness 2.0–10.0 mm Width 1000–1800 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons Custom Sizes & Coating Weight Available	C≤0.20, Si≤0.60 Mn≤1.80, P≤0.025, S≤0.020
ASTM A653 Grade 33 Commercial Grade High Zinc Coating	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 Fabrication, Bending & Roll Forming Regular/Zero Spangle Available	Thickness 0.3–12.0 mm Width 1000–1500 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Structural Parts, Auto Chassis & Agricultural Machinery Regular/Zero Spangle Available	Thickness 0.8–10.0 mm Width 1000–1500 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Heavy Load Equipment, Bridge Components & High Strength Structures Regular/Zero Spangle Available	Thickness 1.0–10.0 mm Width 1000–1500 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons Custom Sizes & Coating Weight Available	C≤0.20, Si≤0.40 Mn≤1.35, P≤0.030, S≤0.035
EN 10152 DX51D+Z Commercial Grade High Zinc Coating	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 Bending, Roll Forming & Fabrication Regular/Zero Spangle Available	Thickness 0.3–12.0 mm Width 1000–1500 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Medium Complexity Stamped Parts, Auto Accessories & Home Appliance Liners Regular/Zero Spangle Available	Thickness 0.4–10.0 mm Width 1000–1500 mm Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–1800 mm Coil Weight 3–8 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons Custom Sizes & Coating Weight Available	C≤0.20, Si≤0.55 Mn≤1.70, P≤0.030, S≤0.030
JIS G3302 SGCC Commercial Grade High Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–1800 mm Coil Weight 3–8 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons 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 Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–2000 mm Coil Weight 3–10 tons Custom Sizes & Coating Weight Available	C≤0.20, Si≤0.40 Mn≤1.35, P≤0.025, S≤0.020
DC01+ZM Zn-Al-Mg Alloy Ultra High Corrosion Resistance High Zinc Coating	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 Coil ID 508/610 mm Coil OD 1000–1800 mm Coil Weight 3–8 tons 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%

Note: If you do not find a High Zinc Coating Galvanized Steel Coil 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.

Video

Factory

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

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.

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
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
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
ISO9001 certified with full support for international standards. We provide material certificates (MTC) and third-party inspections to ensure compliance and customer confidence.

Hot Tags :

High Zinc Coating Steel Coil

Heavy Coated Galvanized Coil

Corrosion Resistant Steel Coil

Industrial Zinc Coated Coil

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Shengtao Metal Material

Tel: +86 -18351580831
Email: stsalesman3@stmetal001.com
Add.: No. 111 Xishi Road, Wuqin Village, Luoshe Town, Huishan District, Wuxi City, Jiangsu Province,China

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