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China ASTM A276 Stainless Steel Bar Grade 304 - Reliable Suppliers & Factory for Quality Engineering Solutions
Product Details
Some of the key perks? Well, they resist corrosion really well thanks to their high chromium and nickel content, making them perfect for tough environments. They're easy to work with — machinable and weldable — so customizing isn't a hassle. Need something tough? grades like 316L really deliver increased toughness and durability, especially under high stress. And if looks matter, we offer different surface finishes such as polished, turned, or cold-drawn to suit your aesthetic or functional needs.
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Corrosion Resistance
High chromium & nickel content for tough environments.
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Machinable & Weldable
Easy to customize without hassle.
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High Toughness (316L)
Increased durability under high stress conditions.
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Multiple Surface Finishes
Polished, turned, or cold-drawn options available.
All our bars meet the strict standards of ASTM A276 and ASME SA479 and go through thorough quality inspections — checking chemistry, dimensions, and overall performance. You'll find sizes and grades to match just about any project.
✅ ASTM A276 Certified
✅ ASME SA479 Certified
✅ Full Quality Inspection
🚀Upgrade your designs with our ASTM A276 Stainless Steel Bars — where precision, strength, and durability come together. Reach out today for a custom quote or bulk pricing. Let's make your project shine!
| Austenitic Stainless Steel | 201, 301, 304, 305, 310, 314, 316, 321, 347, 370, etc |
| Martensitic Stainless Steel | 410, 414, 416, 416, 420, 431, 440A, 440B, 440C, etc |
| Duplex Stainless Steel | S31803, S32101, S32205, S32304, S32750, etc |
| Ferritic Stainless Steel | 429, 430, 433, 434, 435, 436, 439, etc |
Product Specification
| Material | 304, 304L, 309S, 310S, 316, 316L, 316Ti, 317, 317L, 321, 347H, 201, 202, 405, 409, 410, 420, 430, etc |
| Type | Round, square, hexagonal, flat, angle |
| Surface | Pickled, Black, Bright, Polishing, Blasting, etc |
| Specifications |
Round Bar：Diameter: 3mm~800mm Angle Bar Size: 3mm×20mm×20mm ~ 12mm×100mm×100mm Square Bar Size: 4mm×4mm ~ 100mm×100mm Flat Bar Thickness: 2mm~100mm, Width: 10mm~500mm Hexagonal Size: 2mm~100mm |
| MOQ | 1 Ton |
| Length | 6m, 5.8m, 3m or as required |
| Price Term | EX-Work, FOB, CFR, CIF, CNF |
| Payment Term | T/T, L/C, Western Union |
| Market | Europe, South America, Africa, Oceania, such as: Chile, Spain, USA, Germany, India, Dubai, Iraq, Vietnam, Ireland, Korea, Singapore, and so on. |
| Package | Bundled, wooden box for export standard package. |
| Delivery Time | Normally according to the order quantity |
Chemical Composition Table
| Chemical Component (%) | |||||||
| Grade ASTM | C | Si | Mn | S | P | Cr | Ni |
| 201 | ≤0.15 | ≤0.75 | 5.50–7.50 | ≤0.030 | ≤0.060 | 16.00–18.00 | 3.50–5.50 |
| 304 | ≤0.07 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 17.00–19.00 | 8.00–11.00 |
| 304L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 18.00–20.00 | 8.00–12.00 |
| 309S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 22.00–24.00 | 12.00–15.00 |
| 310S | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 24.00–26.00 | 19.00–22.00 |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 16.00–18.00 | 10.00–14.00 |
| 316L | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.030 | ≤0.035 | 16.00–18.00 | 12.00–15.00 |
Frequently Asked Questions
Q
What standards do your ASTM A276 Stainless Steel Bars comply with?
Our stainless steel bars fully comply with ASTM A276 and ASME SA479 standards. Every batch undergoes thorough quality inspections covering chemical composition, dimensional accuracy, and mechanical performance to ensure consistent and reliable quality.
Q
What grades of stainless steel bars are available?
We supply a wide range of grades including Austenitic (304, 316, 321, etc.), Martensitic (410, 420, 440C, etc.), Duplex (S31803, S32205, S32750, etc.), and Ferritic (430, 439, etc.) stainless steels. Custom grade requests are also welcome.
Q
What shapes and sizes of stainless steel bars do you offer?
We offer Round Bars (Ø3mm–800mm), Square Bars (4×4mm–100×100mm), Flat Bars (thickness 2–100mm, width 10–500mm), Hexagonal Bars (2–100mm), and Angle Bars. Standard lengths are 3m, 5.8m, and 6m, with custom lengths available upon request.
Q
What is the minimum order quantity (MOQ)?
The minimum order quantity is 1 Ton. For bulk orders or special project requirements, please contact us directly to discuss pricing and lead times tailored to your needs.
Q
What surface
What surface finishes are available for stainless steel bars?
We offer multiple surface finish options including Pickled, Black (hot-rolled), Bright (cold-drawn), Polished, and Blasted finishes. Different finishes are suitable for different applications — polished finishes are ideal for decorative purposes, while pickled or black finishes are commonly used in industrial environments.
Q
What payment terms and shipping options do you support?
We accept T/T (Telegraphic Transfer), L/C (Letter of Credit), and Western Union as payment methods. For shipping, we support EX-Works, FOB, CFR, CIF, and CNF trade terms. We ship globally and have extensive experience serving customers in Europe, South America, Africa, Oceania, and beyond.