Precision Stainless Steel Round Bar is manufactured from high-quality stainless steel with excellent dimensional accuracy, smooth surface finish, and stable mechanical properties. It is widely used in precision machining, mechanical components, industrial equipment, and engineering applications where high strength, corrosion resistance, and reliable performance are required.
Material Type :
Stainless SteelDiameter Range :
4mm - 150mmCustomizable :
YesOrder(MOQ) :
2TSpecifications
Precision Stainless Steel Round Bar is produced using advanced hot rolling, cold drawing, or precision grinding processes to ensure accurate dimensions and consistent material quality. The product offers excellent corrosion resistance, good machinability, and high mechanical strength, making it suitable for a wide range of industrial and manufacturing applications.
Common stainless steel grades such as 304, 316, 321, and 310 are available to meet different corrosion resistance and temperature requirements. These round bars are widely used in machining parts, shafts, fasteners, automotive components, construction structures, and industrial equipment.
Various diameters, lengths, and surface finishes can be supplied according to project specifications. Additional processing such as polishing, cutting, or customized machining services can also be provided to meet specific engineering requirements.
Stainless Steel Round Bar 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, %) |
|---|---|---|---|---|
| 304
|
UNS S30400
|
Tensile ≥515 MPa
|
Diameter 3–350 mm
|
C≤0.08, Cr 18.0–20.0
|
| 304L
|
UNS S30403
|
Tensile ≥485 MPa
|
Diameter 3–350 mm
|
C≤0.03, Cr 18.0–20.0
|
| 316
|
UNS S31600
|
Tensile ≥515 MPa
|
Diameter 3–350 mm
|
C≤0.08, Cr 16.0–18.5
|
| 316L
|
UNS S31603
|
Tensile ≥485 MPa
|
Diameter 3–350 mm
|
C≤0.03, Cr 16.0–18.5
|
| 321
|
UNS S32100
|
Tensile ≥515 MPa
|
Diameter 3–350 mm
|
C≤0.08, Cr 17.0–19.0
|
| 310S
|
UNS S31008
|
Tensile ≥515 MPa
|
Diameter 3–350 mm
|
C≤0.08, Cr 24.0–26.0
|
| 201
|
UNS S20100
|
Tensile ≥655 MPa
|
Diameter 3–350 mm
|
C≤0.15, Cr 16.0–18.0
|
| 410
|
UNS S41000
|
Tensile ≥450 MPa
|
Diameter 3–350 mm
|
C≤0.15, Cr 11.5–13.5
|
| 420
|
UNS S42000
|
Tensile ≥655 MPa
|
Diameter 3–350 mm
|
C 0.15–0.25, Cr 12.0–14.0
|
| 430
|
UNS S43000
|
Tensile ≥450 MPa
|
Diameter 3–350 mm
|
C≤0.12, Cr 16.0–18.0
|
| 2205
|
UNS S31803
|
Tensile ≥620 MPa
|
Diameter 3–350 mm
|
C≤0.03, Cr 21.0–23.0
|
|
Note: If you do not find a Stainless steel round bar 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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FAQs
Q: What types and standards of stainless steel do you mainly supply?
A: We mainly supply a wide range of stainless steel products including stainless steel pipes/tubes (seamless and welded), plates, coils, strips, and bars. Common grades include 304/L, 316/L, 321, 310, 410, 430, 2205 (Duplex), and 904L, which are widely used in construction, chemical processing, food equipment, and marine engineering. All stainless steel products comply with international standards such as ASTM, JIS, and EN. We can also provide corresponding material test certificates (MTC) and support customized specifications according to customer project 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 Stainless steel round bar 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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