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Help CenterJIS SUS347 Nb Stabilized Round Bar 20mm 25mm 50mm JIS G4303 Petrochemical High Temp
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Product Description:
Stainless Steel Round Bar – Precision Solid Bar for Machining & Construction
Stainless steel round bars are solid, cylindrical long bars manufactured from stainless steel billets through hot rolling, cold drawing, or forging processes. They combine high strength, excellent corrosion resistance, and good machinability, making them the preferred raw material for shafts, fasteners, valves, and structural components.
ASTM A276 is the primary standard covering hot-finished or cold-finished stainless steel round bars for general structural and mechanical applications. For pressure vessel and heat exchanger applications, ASTM A479 is typically specified. ASTM A484 governs dimensional tolerances.
Typical applications include:
Machinery & equipment: Shafts, spindles, gears, hydraulic piston rods, linear guides
Fasteners & hardware: Bolts, nuts, screws, threaded rods, studs
Valves & pumps: Valve stems, pump shafts, ball valve components
Construction & architecture: Handrails, balustrades, structural supports
Marine & offshore: Boat shafts, propeller shafts, seawater valve components
Oil & gas: Downhole tools, Christmas tree fittings, wellhead components
Food & pharmaceutical: Mixer shafts, sanitary fittings, conveyor rollers
Automotive & aerospace: Engine components, landing gear parts, structural fasteners
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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