Cold Drawn Precision Seamless Steel Tube
ASTM A192 Cold Drawn Seamless Boiler Steel Tube designed for high-performance heat exchange applications with precision engineering and superior mechanical properties.
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 25 meters (custom lengths available)
Type: Cold Drawn or ERW
Ends: Plain ends or bevel ends
Key Features
- No oxidation layer on outer and inner walls
- No leakage under high pressure conditions
- No cracking during flattening and flaring tests
- No distortion after cold bending processes
- High precision and superior surface cleanness
- Excellent brightness for cold drawn and hot finished tubes
- Superior performance for high pressure and temperature applications
- Available in black finish and hot dip galvanized options
- Excellent corrosion resistance properties
Delivery Conditions
| Designation |
Symbol |
Description |
| Cold finished (hard) |
BK |
Tubes without heat treatment after final cold forming |
| Cold finished (soft) |
BKW |
Heat treatment followed by limited cold deformation |
| Cold finished and stress-relieved |
BKS |
Heat treatment applied after last cold forming process |
| Annealed |
GBK |
Annealing in controlled atmosphere after cold forming |
| Normalized |
NBK |
Annealing above upper transformation point |
Material Standards & Grades
| 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, 15CrMo |
ASTM A53 |
GR. A, B |
| GB3087 |
10, 20 |
ASTM A192 |
- |
Applications
- Evaporators, heat exchangers, condensers, and heat transfer equipment
- Mechanical treatment field and petrochemical industry
- Transportation and construction applications
- Ordinary and mechanical structural purposes
- Fluid transportation in projects and large equipment
- Low and medium pressure boiler systems
- Auto machinery, oil cylinder tubes, and shock reducer components
Competitive Advantage
Asia's leading steel pipe manufacturer with over 250,000 tons annual production capacity. More than 60% of products shipped to over 35 countries worldwide. We deliver quality pipes and tubes with competitive pricing and superior quality for global customers.