Shanxi Zhongcheng Metal Co., Ltd.
| Supply Ability | 10000tons |
| Delivery Time | 15-25days |
| Supply Capacity | 10000tons |
| Country of Origin | MADE IN CHAINA |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. |
| MOQ | 100kg |
| 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) |
| Brand | Baosteel，TISCO |
| Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag |
| 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 |
View Detail Information
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Product Specification
| Supply Ability | 10000tons | Delivery Time | 15-25days |
| Supply Capacity | 10000tons | Country of Origin | MADE IN CHAINA |
| Packaging Details | Wooden pallets, wooden crates, woven bags, etc. | MOQ | 100kg |
| 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) |
| Brand | Baosteel，TISCO | Payment Terms | T/T，D/P，D/A，Western Union，PayPal |
| Packaging | Wooden Case / Wooden Pallet / Steel Frame / Carton / Woven Bag | 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 | Low Carbon Stainless Steel Welding Pipe ，321L Stainless Steel Welding Pipe ，317L Stainless Steel Welding Pipe | ||
The Low-Carbon Stainless Steel Pipe is specifically designed for welding applications where resistance to intergranular corrosion is critical. With a maximum carbon content of 0.03% (compared to 0.08% in standard grades), this pipe minimizes the formation of chromium carbides during welding, preventing sensitization and preserving corrosion resistance in the heat-affected zone (HAZ). Manufactured as seamless or welded and subsequently annealed, it offers excellent weldability, consistent mechanical properties, and long-term reliability in corrosive service.
| Parameter | Details |
|---|---|
| Standards | ASTM A312, A269, A213; ASME SA312; EN 10216-5 |
| Available Grades | 304L, 316L, 317L, 321L |
| Outer Diameter | 6 mm – 610 mm (1/8″ – 24″ NPS) |
| Wall Thickness | Schedule 5S, 10S, 40S, 80S, or custom |
| Length | Fixed lengths 3m / 6m, or random lengths upon request |
| Manufacturing Process | Seamless – Cold drawn / Hot rolled |
| Surface Finish | Annealed, pickled, passivated |
| End Finish | Plain ends, beveled ends (prepared for welding) |
| Grade | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 304L | 0.03 | 0.75 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 8.0-12.0 | – |
| 316L | 0.03 | 0.75 | 2.00 | 0.045 | 0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| 317L | 0.03 | 0.75 | 2.00 | 0.045 | 0.030 | 18.0-20.0 | 11.0-15.0 | 3.0-4.0 |
Comparison – Standard grades (304 / 316): C ≤ 0.08%. Low carbon (L) grades significantly reduce carbide precipitation risk.
| Grade | Tensile Strength (MPa) min | Yield Strength (MPa) min | Elongation (%) min | Hardness (HB) max |
|---|---|---|---|---|
| 304L | 485 | 170 | 40 | 201 |
| 316L | 485 | 170 | 40 | 217 |
| 317L | 515 | 205 | 40 | 217 |
Tested in accordance with ASTM E8 / E8M.
| Property | Low-Carbon Grades (304L / 316L / 317L) |
|---|---|
| Sensitization Risk | Very low – minimal chromium carbide precipitation |
| Post-Weld Heat Treatment | Not required for most corrosive services |
| Recommended Welding Processes | GTAW (TIG), SMAW (stick), GMAW (MIG), SAW |
| Filler Metal Recommendation | Matching L-grade or lower carbon filler (e.g., ER308L / ER316L) |
| Heat-Affected Zone (HAZ) Integrity | Excellent – retains corrosion resistance |
| Thin Wall Welding | Excellent – low risk of burn-through and distortion |
Low Carbon Content (≤0.03%) – Precribes sensitization and intergranular corrosion after welding
No Post-Weld Annealing Required – Reduces fabrication time and cost
Excellent HAZ Corrosion Resistance – Maintains performance in welded condition
Good Weldability – Compatible with all standard arc welding processes
Consistent Mechanical Properties – Uniform strength across welded joints
Molybdenum Grades Available – 316L / 317L for enhanced chloride and acid resistance
Beveled End Preparation – Available ready for butt welding
Chemical Processing Plants – Piping systems requiring extensive field welding
Pharmaceutical and Biotech – Sanitary welded tubing and fittings
Food and Beverage – Dairy, brewery, and beverage process lines
Oil and Gas – Offshore and onshore welded flow lines
Water Treatment – Reverse osmosis and desalination welded systems
Heat Exchangers – Tube-to-tubesheet welding
Semiconductor Manufacturing – Ultra-high-purity gas lines (316L EP grade)
Structural Welded Assemblies – Handrails, platforms, and support structures
Shipbuilding – Welded piping systems in corrosive environments
| Parameter | Recommendation |
|---|---|
| Preheat | Not required for thicknesses ≤ 25 mm |
| Interpass Temperature | ≤ 150°C (300°F) |
| Shielding Gas (GTAW) | Argon (100%) or Ar + 2-5% H₂ |
| Back Purging | Recommended for sanitary and high-purity applications |
| Post-Weld Clean | Pickling and passivation to restore corrosion resistance |
For inquiries, technical datasheets, or custom sizes, please contact our sales team.
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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