Description

High-Precision Stainless Steel Bars & Rods | Round, Square, Hex & Flat

Direct Manufacturer & Supplier. Engineered for high mechanical strength, precision machining, marine hardware, pump shafts, and chemical equipment. Fully compliant with ASTM A276, ASTM A479, DIN 17440, EN 10088, and JIS G4303 standards.


ISO 9001:2015 & CE

Certified Quality & Traceable Mill Certificates

50,000+ Tons Stock

Massive Warehouse Stock for Immediate Shipment

Precision Machining

Custom Tolerances (h9/h11), Sawing & Chamfering

Comprehensive Product Specifications & Parameters

Category / Item Technical Standards & Specifications
Product Name Stainless Steel Bar / Stainless Steel Rod (Round, Hex, Square, Flat Bar)
Available Material Grades Austenitic: 303, 304, 304L, 316, 316L, 321, 310S, 347H
Martensitic / Ferritic: 410, 420, 430, 431, 440C, 630 (17-4PH)
Duplex & Super Duplex: UNS S31803 / S32205 (2205), UNS S32750 (2507)
Manufacturing Standards ASTM A276, ASTM A479, ASTM A582, DIN 17440, EN 10088, JIS G4303
Diameter / Size Range Round Bar: Dia 2mm – 500mm
Hex Bar: S4mm – S100mm | Square Bar: 4mm×4mm – 150mm×150mm
Flat Bar: Thickness 2mm–50mm, Width 10mm–200mm
Processing Technology Cold Drawn, Centerless Ground, Turned, Hot Rolled, Forged
Length Range Standard 3m, 6m or Custom Cut-to-Length (Tolerance ±1mm)
Surface Condition Black Surface, Peeled, Cold Drawn Bright, Polished (Mirror / Satin), Hairline
Dimensional Tolerances ISO h8, h9, h11, k12 or according to ASTM A484 standard requirements
Mechanical & Quality Testing 100% Ultrasonic Testing (UT), PMI Chemical Analysis, Tensile & Yield Test, Hardness (HB/HRC)

Stainless steel round bar details

Stainless steel round application

Seaworthy Protective Packaging

Bright finished and ground bars are individually sleeve-protected or wrapped with anti-rust film. Bundles are wrapped in waterproof woven plastic fabrics, strapped with heavy-duty steel bands, or packed into wooden boxes for sea export.

Container Loading & Logistics Supervision

Our experienced dispatch team secures bar bundles inside 20ft and 40ft containers using heavy-duty wooden bracing and steel wire tie-downs, ensuring zero collision or damage during long ocean transit.

Key Application Industries

Precision CNC Machining Parts Pump & Turbine Shafts Fasteners, Bolts & Threaded Rods Marine & Offshore Hardware Valve Components & Chemical Equipment Automotive & Aerospace Engineering

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