🛠️ Product Description
Cold Drawn Seamless Steel Pipe
📸 Detailed Photos
🌟 Advantages
| COLD DRAWN SEAMLESS STEEL TUBE |
| Standards |
Steel Grades |
Size Range |
| DIN |
2391 / 1629 / 1630 / 2445 / 73000 |
ST35/45/52, ST37/44/52, ST37.4/44.4/52.4 |
OD2-60mm × WT0.3-10mm / OD3-30mm × ID1-12.5mm |
| GB/T |
8162 / 8163 / 3639 / 3093 |
10/20/16Mn/35/45/30CrMo/42CrMo |
OD2-60mm × WT0.3-10mm / OD3-30mm × ID1-12.5mm |
| EN |
10305-1 / 10305-4 |
E215/235/255/355 |
OD2-60mm × WT0.3-10mm |
| ASTM |
A822 / A179 / A519 / A269 |
A822, A179, 1010/1045/4130, 304/316L |
OD2-60mm × WT0.3-10mm |
| SAE |
J524 / J529 |
Low carbon steel |
OD2-60mm × WT0.3-10mm / OD3-30mm × ID1-12.5mm |
| JIS |
G3445 / G3455 |
STKM11A/12A/13C, STS35/38/42/49 |
OD2-60mm × WT0.3-10mm / OD3-30mm × ID1-12.5mm |
Delivery conditions: BK (+C), BKW (+LC), BKS (+SR), GBK (+A), NBK (+N)
Major Inspection Items: Tensile strength, Yield strength, Elongation, Flattening, Flaring, Chemical analysis, Eddy Current Test (100%), Size and surface checking (100%)
Certificates: According to EN 10204 3.1
🚀 Applications
1. For Vehicle & Construction
- Powertrain system: Fuel-rails, Fuel-lines, Common-rail diesel lines
- Fluid handling: Air-conditioning tube, Clutch actuator pipes
- Drive & steering: Power-Steering Feed-Pipes
- Hydraulic system: Pressure Lines, Hydraulic tubing
2. Mechanical & Engineering
- Mechanic Processing and parts
- Heat Exchange & Gas Cylinders
- Sub-sea, Marine & Aerospace
- Wind Power & Energy Generation
❓ Frequently Asked Questions
What are the available delivery conditions for the steel pipes?
We offer various delivery conditions including BK (+C), BKW (+LC), BKS (+SR), GBK (+A), and NBK (+N) to meet different mechanical property requirements.
Which international standards do your seamless steel tubes comply with?
Our products comply with major global standards including DIN (2391, 1629), EN (10305-1, 10305-4), ASTM (A822, A519, A269), GB/T (3639), and JIS (G3445).
What quality inspections are performed on the pipes?
We conduct 100% Eddy Current Testing, size and surface checks. Other major inspections include tensile strength, yield strength, elongation, flattening, flaring, and chemical analysis.
What are the primary applications for these cold drawn pipes?
They are widely used in automotive powertrain systems, hydraulic pressure lines, construction machinery (like concrete pumps), heat exchangers, and aerospace equipment.
Can the size and specifications be customized?
Yes, we provide customized specifications. Our standard size range covers Outer Diameter (OD) from 2mm to 60mm and Wall Thickness (WT) from 0.3mm to 10mm.
What certifications come with the products?
All products are supplied with certificates according to EN 10204 3.1, ensuring full traceability and compliance with quality standards.