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Product Overview
Our Stainless Steel Round Bar (also known as stainless steel round rod or solid shaft) is manufactured from premium stainless steel billets through hot rolling, cold drawing, peeling, or precision grinding processes. With excellent corrosion resistance, قوة عالية, and smooth surface finish, stainless round bars are widely used in shafts, fasteners, machinery components, بناء, and general engineering. We supply a comprehensive range of stainless steel round bars in 304, 304إل, 316, 316إل, 321, 310س, 410, 420, 430, 17-4PH, and duplex grades, with custom diameters and surface finishes available.
Specifications
Steel Grades: 304, 304إل, 303, 316, 316إل, 316ل, 321, 310س, 410, 420, 430, 431, 17-4PH (630), 17-7PH (631), 2205, 2507
معيار: ASTM A276, ASTM A484, ASTM A582, جيجابايت/ت 1220, جيجابايت/ت 4226, من 1.4301/1.4401/1.4057, JIS G4303, في 10088
Diameter: 3 مم – 500 مم (1/8″ – 20″)
طول: 2م, 2.5م, 3م, 5.8م, 6م, or as per customer request (SRL, DRL)
عملية: Hot Rolled (HR), Cold Drawn (CD), Peeled, Ground & Polished, Turned, Forged
صقل الأسطح: Black (hot rolled), Bright (cold drawn), Peeled, Ground (h8/h9/h10), Polished, Turned
تسامح: h8/h9/h10 (ground), h11 (cold drawn), ±0.5mm (hot rolled)
Condition: صلب, Solution Annealed, Quenched & Tempered (for martensitic and precipitation hardening grades)
طلب: مهاوي, valves, pumps, fasteners, fittings, machinery components, بناء
Key Features & مزايا
- Excellent corrosion resistance – 304/316 grades resist rust, acids, and harsh environments
- High strength and hardness – ideal for shafts, التروس, and load-bearing components
- Precision dimensions – ground bars with h8/h9 tolerance for direct machining
- Superior surface finish – ساطع, peeled, or polished surfaces for aesthetic applications
- Wide diameter range – from 3mm precision rods to 500mm forged shafts
- Multiple grades available – austenitic, martensitic, ferritic, PH, and duplex grades
- Excellent machinability – 303 grade for free machining, 416 for improved machinability
- Full traceability – mill test certificates with heat number, chemical composition, and mechanical properties
التطبيقات
- Machinery shafts and axles
- Fastener manufacturing – bolts, المكسرات, مسامير, studs
- Valve and pump components
- Automotive and transportation parts
- Construction and structural supports
- Chemical and petrochemical equipment
- Marine and offshore applications (316L grade)
- Food processing and pharmaceutical equipment
- Medical instruments and devices
- General engineering and fabrication
Quality Control & Testing
Every batch of stainless steel round bars undergoes rigorous quality control:
Raw Material: Chemical composition analysis (spectrometer), PMI testing, heat number verification
Process Control: In-line dimensional monitoring, surface inspection, temperature control
Finished Product: Dimensional verification (micrometer, caliper), surface finish inspection, hardness test (Rockwell/Brinell/Vickers), tensile test (قوة الخضوع, قوة الشد, elongation), impact test (Charpy V-notch), ultrasonic testing (UT) for internal defects, eddy current testing (ET) for surface defects
Documentation: Mill Test Certificate (MTC) per EN 10204 3.1, material traceability, conformity certificate
التعبئة والتغليف & شحن
التعبئة والتغليف: Standard export packaging – bundles tied with stainless steel strips, hexagonal bundles, wooden pallets or crates, waterproof paper wrapping, PVC caps for end protection, individual wrapping for bright/ground bars
Marking: Steel grade, مقاس, heat number, standard, manufacturer logo (painted or labeled)
Trade Terms: فوب, سيف, CFR, EXW, DDP
قسط: T/T (30% deposit, 70% before shipment), L/C at sight, Western Union, PayPal (sample orders)
مهلة: Standard sizes in stock – 3-7 أيام; Custom sizes – 15-25 أيام
موك: 500 kg for standard sizes; custom orders negotiable
Loading Port: Qingdao, Shanghai, Tianjin, Ningbo, or as requested
لماذا أخترتنا
As a professional stainless steel manufacturer and exporter with over 15 years of experience, we supply high-quality stainless steel round bars to customers in more than 60 بلدان. Our factory is equipped with advanced rolling, drawing, peeling, and grinding lines, ensuring precise dimensions and consistent surface quality. We maintain large inventory of standard sizes for immediate delivery, and our experienced team can provide technical consultation and customized solutions for your specific applications. Contact us today for a competitive quote!
