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Help CenterJIS SUS304 Stainless Steel Square Bar 10x10mm 15x15mm 20x20mm 25x25mm JIS G4303 Cold Drawn
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Product Description:
Stainless Steel Square Bar – Four Equal Sides for Structural & Precision Applications
Stainless steel square bars are long bars with four equal sides, manufactured from stainless steel billets through hot rolling, cold drawing, or forging processes. The square cross-section provides excellent stability and uniform strength distribution, making them ideal for structural supports, machine components, fasteners, and architectural applications.
ASTM A276 is the primary standard covering hot-finished or cold-finished stainless steel square bars for general structural and mechanical applications. ASTM A479 is specified for pressure vessel applications. ASTM A484 governs dimensional tolerances.
Typical applications include:
Machinery & equipment: Shafts, gears, machine guides, fixture components
Fasteners & hardware: Bolts, nuts, set screws, studs
Construction & architecture: Structural columns, handrail posts, balustrade supports, window frames
Valves & pumps: Square valve stems, pump components
General fabrication: Tooling, jigs, fixtures, custom brackets
Automotive: Trailer hitch components, truck parts
Food processing: Equipment frames, sanitary supports
Key Product Specifications (Stainless Steel Bar)
Parameter |
Specification / Range |
Remarks |
Standards |
ASTM A276, A479, EN 10088-3, JIS G4303 |
Others on request |
Grades |
304, 304L, 316L, 316Ti, 321, 310S, 2205, 904L |
Duplex & super austenitic available |
Product Forms |
Round, square, flat, hexagonal |
Angle & channel also available |
Size Range (Round) |
Diameter: 6 mm – 300 mm |
– |
Size Range (Flat) |
Thickness: 3–50 mm; Width: 10–200 mm |
– |
Size Range (Hex) |
Across flats: 8 mm – 100 mm |
– |
Length |
3m / 6m / 12m, or custom cut |
– |
Surface Finish |
Black, bright drawn, peeled, ground, polished |
– |
Tolerances |
Per ASTM A484 |
Precision tolerance available |
Testing |
PMI, Tensile, Hardness, UT (optional) |
Mill cert provided |
Packaging |
Bundled with steel straps, wooden pallet |
Seaworthy, ISPM 15 |
Q1：Do you offer sample orders？
A：Yes, samples are available for quality evaluation. Sample cost is charged but refundable upon bulk order.
Q2：What is your MOQ？
A：Our standard MOQ is 100 kg per specification. For common grades and standard sizes, we accept small batch orders. Mixed orders for different products are also welcome.
Q3：Can you provide custom sizes？
A：Yes, we can produce any length, width, thickness, or diameter based on your drawings. Cutting, slitting, and other processing services are available with tolerance as required.
Q4：What certifications do you provide？
A：Each shipment comes with EN 10204 3.1 mill test certificate (MTC). Third-party inspection reports (SGS/BV/TÜV) can be arranged upon request.
Q5：What is your lead time？
A：7–15 working days for stock items. 20–30 days for custom orders, depending on quantity and specification.
Q6：What surface treatments are available？
A：Various surface treatments are available upon request, including pickled, polished, coated, oiled, or as required.
Q7：What payment terms do you accept？
A：T/T (30% deposit + 70% against BL copy), L/C at sight, Western Union, etc.
Q8：What about packaging for export？
A：Standard seaworthy packaging with waterproof protection, steel straps, corner protectors, and ISPM 15 fumigation certification. Custom packaging is available as required.
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