ความคืบหน้า
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, high strength, and smooth surface finish, stainless round bars are widely used in shafts, fasteners, machinery components, การก่อสร้าง, and general engineering. We supply a comprehensive range of stainless steel round bars in 304, 304ล, 316, 316ล, 321, 310ส, 410, 420, 430, 17-4PH, and duplex grades, with custom diameters and surface finishes available.
Specifications
Steel Grades: 304, 304ล, 303, 316, 316ล, 316ของ, 321, 310ส, 410, 420, 430, 431, 17-4PH (630), 17-7PH (631), 2205, 2507
มาตรฐาน: ASTM A276, ASTM A484, ASTM A582, กิกะไบต์/ที 1220, กิกะไบต์/ที 4226, จาก 1.4301/1.4401/1.4057, JIS G4303, ใน 10088
Diameter: 3 มม – 500 มม (1/8″ – 20″)
ความยาว: 2m, 2.5m, 3m, 5.8m, 6m, or as per customer request (SRL, DRL)
กระบวนการ: Hot Rolled (HR), Cold Drawn (CD), Peeled, Ground & Polished, Turned, Forged
Surface Finish: Black (hot rolled), Bright (cold drawn), Peeled, Ground (h8/h9/h10), Polished, Turned
ความอดทน: h8/h9/h10 (ground), h11 (cold drawn), ±0.5mm (hot rolled)
Condition: Annealed, Solution Annealed, Quenched & Tempered (for martensitic and precipitation hardening grades)
แอปพลิเคชัน: เพลา, valves, pumps, fasteners, fittings, machinery components, การก่อสร้าง
Key Features & ข้อดี
- Excellent corrosion resistance – 304/316 grades resist rust, acids, and harsh environments
- High strength and hardness – ideal for shafts, เกียร์, and load-bearing components
- Precision dimensions – ground bars with h8/h9 tolerance for direct machining
- Superior surface finish – bright, 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
การใช้งาน
- Machinery shafts and axles
- Fastener manufacturing – bolts, ถั่ว, สกรู, 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 (ความแข็งแรงของผลผลิต, แรงดึง, 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
Packaging & การส่งสินค้า
Packaging: 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, ขนาด, heat number, standard, manufacturer logo (painted or labeled)
Trade Terms: โกง, ซีไอเอฟ, ซีเอฟอาร์, EXW, DDP
การชำระเงิน: T/T (30% deposit, 70% before shipment), L/C at sight, Western Union, PayPal (sample orders)
Lead Time: Standard sizes in stock – 3-7 วัน; Custom sizes – 15-25 วัน
ขั้นต่ำ: 500 kg for standard sizes; custom orders negotiable
Loading Port: Qingdao, Shanghai, Tianjin, Ningbo, or as requested
ทำไมถึงเลือกพวกเรา
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 countries. 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!
