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303 Stainless Steel Square Bar
303 Stainless Steel is a free-machining austenitic grade enhanced with sulfur and phosphorus for improved machinability. It offers good corrosion resistance in mild environments, atmospheric exposure, and organic chemicals. It is ideal for high-speed automatic machining operations such as turning, milling, and drilling. Note: It has lower corrosion resistance compared to 304 and is not recommended for high-pressure vessels.
ASTM: A276/A479JIS: SUS303GB: Y1Cr18Ni9
MaterialASTM A276 / ASTM A479 / GB/T 1220 / JIS G4305
ThicknessN/A (Square Profile)
Width8mm - 200mm
Length1000mm - 6000mm or customized
MOQ1 Ton
Lead Time7-15 days
PortShanghai / Tianjin
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | ASTM A276 / ASTM A479 / GB/T 1220 / JIS G4305 | Standard | ASTM A276 / ASTM A479 / GB/T 1220 / JIS G4305 |
| Thickness Range | N/A (Square Profile) | Width Range | 8mm - 200mm |
| Length Range | 1000mm - 6000mm or customized | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | ≤0.15 | Si | ≤1.00 |
| Mn | ≤2.00 | P | ≤0.200 |
| S | 0.15-0.35 | Cr | 17.00-19.00 |
| Ni | 8.00-10.00 | Tensile Strength | ≥515 MPa |
| Yield Strength | ≥205 MPa |
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