High Quality ASTM/JIS/DIN 310S/321 Stainless Steel Round Tube, Square Tube, Rectangular Tube
Technical Specifications| Parameter | Description | Common Values |
|---|---|---|
| Grade | Standard designation of stainless steel | 304, 316, 201, 430, etc. |
| Chemical Composition | Key elements (%) | - Cr: ≥10.5% - Ni: 8-12% (304/316) - Mo: 2-3% (316) - C: ≤0.08% |
| Density | Material density | 7.9-8.0 g/cm³ |
| Tensile Strength | Maximum stress under tension | 500-800 MPa |
| Yield Strength | Stress at which deformation becomes permanent | 200-500 MPa |
| Elongation | Ductility (percentage of stretch before fracture) | 30-50% |
| Melting Point | Temperature at which the material melts | 1400-1450°C |
| Corrosion Resistance | Resistance to oxidation and chemical attack | - 304: Good (general use) - 316: Excellent (marine/chemical environments) |
| Surface Finish | Post-processing treatment | 2B, BA, Mirror, Brushed, Sandblasted |
| Thickness | Available material thickness | 0.2mm - 100mm+ |
| Standards | International manufacturing standards | ASTM (e.g., ASTM A240), EN (e.g., 1.4301), JIS (e.g., SUS304) |
| Applications | Typical industrial uses | Construction, Food Processing, Medical Devices, Marine Equipment, Automotive |
Product FeaturesHigh Corrosion Resistance: Our stainless steel are resistant to rust and corrosion, making them suitable for harsh environments.
Excellent Mechanical Properties: High strength and durability ensure long-lasting performance in various applications.
Smooth Surface: The bright finish ensures a sleek appearance and is ideal for decorative and industrial uses.
Customizable Specifications: We offer customized thickness, width, and surface finishes to meet your specific needs.
Cost-Effective: Competitive pricing and high-quality materials ensure you get the best value for your investment.
ApplicationsOur stainless steel are widely used in the following industries:Construction: Roofing, siding, and decorative panels.
Appliance Manufacturing: Kitchen appliances, washing machines, and dryers.
Automotive Industry: Exhaust systems, decorative trim, and structural components.
Food Industry: Processing equipment, storage containers, and kitchenware.
Medical Equipment: Surgical instruments and equipment components.
Marine Industry: Marine hardware and corrosion-resistant parts.
Quality ControlAll products undergo rigorous quality control checks at every stage of production.
Raw materials are sourced from trusted suppliers and meet international standards.
Finished products are tested for mechanical properties, chemical composition, and surface finish.
We are committed to delivering products that meet or exceed customer expectations.

Zhongzheng Stainless Steel Co., Ltd. was established in 2018 with aregistered capital of 20 million yuan. lt is a manufacturing company thatintegrates the production of special materials, manufacturing andprocessing, sales, and technology development. The company covers anarea of 2,000 square meters and has 200 employees. it has built worldclass stainless steel seamless pipe (hot piercing, cold drawing, cold rollingproduction lines, precision steel pipe production lines, and large, mediumand small-sized welded pipe production lines. The company has beencommitted to providing high performance, high precision, hightemperature-resistant, high pressure-resistant, and corrosion-resistantsolutions and technical services for industrial equipment pipeline systems.The company specializes in producing a series of steel pipes, pipe fittingsflanges, etc., such as high-temperature (nickel-based) alloys, austeniticduplex steel, urea grade stainless steel, super stainless steel, etc. Thecompany is equipped with an annual production capacity of 5,000 tons ofstainless steel seamless pipe production line, 7,000 tons of welded pipeproduction line, and 500 tons of pipe fittings production line, etc. lt canoroduce stainless steel seamless pipes with diameters ranging from Φ6 toΦ762 and wall thicknesses ranging from 0.5 to 70 mm, stainless steelwelded pipes with diameters ranging from Φ15 to Φ2200 and wallthicknesses ranging from 0.5 to 80 mm, pipe fittings, and various stainlesssteel ingots, round steel, rough pipes, etc., according to customerrequirements and in accordance with standards such as GB, ASTM, etc.
Packaging & DeliveryThe company has strong strength and has a professional and technical teamwith excellent technology and rich experience.The company has also introduced advanced production equipment andprocessing technology, which can provide customers with steel products ofvarious specifications and processing requirements. At the same time, thecompany has also established a complete after-sales service system to providecustomers with first-class services.


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