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 |
View Detail Information
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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 | Seamless Stainless Steel Precision Pipe ，Cold Drawn Stainless Steel Precision Pipe ，Cold Drawn Seamless Pipe Bright Surface | ||
Cold drawn seamless precision pipe is manufactured from solid billet through a process of piercing and cold drawing, resulting in no weld line, uniform wall thickness, and excellent dimensional accuracy. Compared to welded tubing, it offers superior pressure resistance and structural integrity, making it ideal for high-reliability applications.
| Parameter | Details |
|---|---|
| Applicable Standards | ASTM A519, DIN 2391, EN 10305-1, JIS G3445, GB/T 3639 |
| Common Grades | Stainless: 304/304L, 316/316L, 321 Carbon/Alloy: 20#, 45#, 4140, 4130 |
| OD Range | 6mm – 100mm (customizable up to 200mm) |
| Wall Thickness Range | 1mm – 15mm |
| Length | Up to 12m fixed length, or cut-to-size |
| Process | Piercing → Cold drawing → Annealing → Straightening → Pickling / Bright finishing |
| Delivery Condition | Cold drawn (hard), stress-relieved, or annealed & pickled |
| Grade | C | Si | Mn | P | S | Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|---|
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-11.0 | – |
| 304L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 18.0-20.0 | 8.0-12.0 | – |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.030 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
| Grade | C | Si | Mn | P | S | Cr | Mo |
|---|---|---|---|---|---|---|---|
| 20# | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | – | – |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | – | – |
| 4140 | 0.38-0.43 | 0.15-0.35 | 0.75-1.00 | ≤0.035 | ≤0.040 | 0.80-1.10 | 0.15-0.25 |
Third-party test reports available upon request.
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness (HB) |
|---|---|---|---|---|
| 304 | ≥520 | ≥205 | ≥35 | ≤187 |
| 304L | ≥480 | ≥175 | ≥35 | ≤187 |
| 316L | ≥480 | ≥175 | ≥35 | ≤187 |
| Grade | Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Hardness (HB) |
|---|---|---|---|---|
| 20# | Annealed | ≥410 | ≥245 | ≤156 |
| 45# | Annealed | ≥600 | ≥355 | ≤197 |
| 4140 | Annealed | ≥655 | ≥415 | ≤217 |
| 4140 | Cold drawn + tempered | ≥850 | ≥740 | ≤241 |
Hydraulic pressure test, eddy current test, and flattening test available upon request.
Due to its no-weld, homogeneous structure, cold drawn seamless precision pipe is widely used in high-pressure and high-safety industries:
| Industry | Typical Uses |
|---|---|
| Hydraulic Systems | Hydraulic cylinders, piston rods, fluid power lines |
| Oil & Gas | Downhole tubing, instrument lines, control lines |
| Automotive | Fuel injection rails, steering components, axle housings |
| Mechanical Engineering | Precision shafts, bearing sleeves, structural parts |
| Aerospace | Hydraulic and fuel delivery lines |
| Power Generation | Boiler tubes, heat exchanger components |
For samples, technical datasheets, or a custom quote, please contact us.
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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