Cold Drawn Steel Pipe ASTM SA210c Cold Drawn Seamless Steel Pipe
Cold Drawn Seamless Steel Pipe Precision Carbon Steel Tube DIN2391 EN10305 ST37 ST52
Product Specifications
- Standards: ASTM / DIN / EN / GOST / SAE / JIS
- Material Grade: Carbon Steel / Alloy Steel or custom requirements
- Outside Diameter: 19.05 mm
- Wall Thickness: 2.11 mm
- Length: Maximum 25m (custom lengths available)
- Type: Cold Drawn or ERW
- Ends: Plain ends or bevel ends
Delivery Conditions
| Designation |
Symbol |
Description |
| Cold finished (hard) |
BK |
Tubes do not undergo heat treatment following final cold forming |
| Cold finished (soft) |
BKW |
Final heat treatment followed by cold drawing with limited deformation |
| Cold finished and stress-relieved |
BKS |
Heat treatment applied following last cold forming process |
| Annealed |
GBK |
Last cold forming process followed by annealing in controlled atmosphere |
| Normalized |
NBK |
Last cold forming process followed by annealing above upper transformation point |
Key Characteristics
- No oxidation layer on outer and inner walls
- No leakage under high pressure
- No cracking under flattening tests
- No distortion after cold bending
- High precision and cleanness
- Excellent surface brightness
- Superior performance for high pressure and temperature applications
- Excellent corrosion resistance
Applications
- Evaporators, heat exchangers, condensers, and heat transfer equipment
- Mechanical treatment field and petrochemical industry
- Transportation and construction applications
- Ordinary structural purposes and mechanical structural components
- Fluid transportation in projects and large equipment
- Low and medium pressure boiler applications
- Hydraulic pressure and pneumatic services
- Automotive and machinery components
Material Standards Compatibility
| Chinese Standard |
Steel Grade |
American Standard |
Steel Grade |
| GB5310 |
20G, 15MoG, 12CrMoG, 12Cr2MoG, 15CrMoG, 12Cr1MoVG |
ASTM A106 |
GR. A, B, C |
| GB9948 |
10, 20, 12CrMo, 15CMo |
ASTM A53 |
GR. A, B |
| GB3087 |
10, 20 |
ASTM A192, A179, A210, A333, A334, A209 |
Various grades |
Chemical Composition
| Grade |
C max |
Si max |
Mn |
P max |
S max |
| St 35 |
0.17 |
0.35 |
≥0.40 |
0.025 |
0.025 |
| St 45 |
0.21 |
0.35 |
≥0.40 |
0.025 |
0.025 |
| St 52 |
0.22 |
0.55 |
≤1.60 |
0.025 |
0.025 |
Competitive Advantage: Asia's leading steel pipe manufacturer with over 250,000 tons/year production capacity. More than 60% of products shipped to over 35 countries worldwide. We deliver quality pipes and tubes with competitive pricing and excellent quality for global customers.