Shanxi Zhongcheng Metal Co., Ltd.
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Supply Ability | 10000tons |
| Delivery Time | 15-25days |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA |
| Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available |
| Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons |
| Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 |
| Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA |
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Product Specification
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal | Supply Ability | 10000tons |
| Delivery Time | 15-25days | Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| Country of Origin | MADE IN CHAINA | Brand | Baosteel，TISCO |
| Certifications | ISO/EN 10204 Type 3.1 / 3.2 available | Grade | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 / 630 (17-4PH) |
| MOQ | 100kg | Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| Supply Capacity | 10000tons | Brand Name | Baosteel，TISCO |
| Model Number | 201 / 202 / 301 / 302 / 303 / 304 / 304L / 305 / 309S / 310S / 316 / 316L / 317 / 317L / 321 / 347 / 409L / 410 / 420 / 430 / 440C / 2205 / 2507 | Certification | EN 10204 Type 3.1 / 3.2 available |
| Place of Origin | MADE IN CHAINA | ||
| High Light | ASTM A312 Straight Seam Welded Pipe ，ERW Straight Seam Welded Pipe | ||
Our ASTM A312 welded stainless steel pipe is manufactured using precision electric resistance welding (ERW) and solution annealing heat treatment. Designed for high-temperature and general corrosive service applications, this straight-seam welded pipe offers the same mechanical integrity as seamless pipe at a more economical cost. Available in standard grades TP304, TP304L, TP316, and TP316L, our A312 welded pipe is widely used in chemical processing, food & beverage, pharmaceutical, and power generation industries.
| Specification | Details |
|---|---|
| Standard | ASTM A312 / ASME SA312 |
| Type | Straight-Seam Welded (ERW) |
| Grades | TP304, TP304L, TP316, TP316L, TP321, TP347 |
| Size Range | 1/8″ to 24″ NPS (DN6 to DN600) |
| Schedules | Sch 5S, 10S, 40S, 80S |
| Lengths | Single Random (16-22 ft), Double Random (35-40 ft), or Custom |
| Heat Treatment | Solution Annealed & Quenched |
| Surface Finish | Mill Finish, Pickled, or Polished |
Highlights specific data for SEO for "TP316L vs 304 chemical properties."
| Grade | C (Max) | Mn (Max) | P (Max) | S (Max) | Si (Max) | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| TP304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-11.0 | - |
| TP304L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0-20.0 | 8.0-12.0 | - |
| TP316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| TP316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| Property | TP304 / TP304L | TP316 / TP316L |
|---|---|---|
| Tensile Strength (MPa) | ≥ 515 | ≥ 485 |
| Yield Strength (MPa) | ≥ 205 | ≥ 170 |
| Elongation (%) | ≥ 35 | ≥ 35 |
| Hardness (HRB) | ≤ 90 | ≤ 90 |
Our customers rely on ASTM A312 stainless pipe for critical infrastructure:
Chemical & Petrochemical Plants: Transporting corrosive acids and hydrocarbons.
Food & Beverage Processing: Sanitary lines requiring cleanability and non-reactive surfaces.
Pharmaceutical Industry: High-purity steam and fluid transfer.
Desalination & Water Treatment: Resisting saltwater corrosion (316L).
Heat Exchangers & Boilers: High-temperature fluid movement.
100% Weld Joint Efficiency: Proper solution annealing and heat treatment ensure the welded seam meets base metal strength requirements, making it suitable for pressure-rated applications as defined in ASME B31.3.
Excellent Corrosion Resistance: Austenitic structure with chromium content (16-20%) provides outstanding resistance to oxidation and general corrosive environments. TP316/L grades add molybdenum for enhanced chloride resistance.
High-Temperature Performance: Grades with "H" designation (TP304H, TP316H) are specifically intended for service where creep and stress rupture properties are critical at elevated temperatures.
Low-Temperature Service Capability: A312 welded pipe in TP304, TP304L, and TP347 grades is accepted by ASME Section VIII Division 1 for service temperatures as low as -425°F (-250°C) without impact testing qualification.
Cost-Effective Alternative: Compared to seamless pipe, welded A312 offers significant cost savings (typically 30-40%) with comparable performance for most general corrosive and high-temperature applications.
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Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Importer,Exporter,Trading Company,Seller
Year Established:
2010
Total Annual:
20000000-50000000
Employee Number:
50~100
Ecer Certification：
Verified Supplier
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