ASTM Boiler Tube Material
1. Application range: for high pressure services
2. Reference standard: ASTM, . JIS, GB, DIN, etc.
3. Manufacturing technology: hot rolling, cold drawing, etc.
4. Chemical composition:
|
C≤
|
0.25
|
|
Mn≤
|
0.3-1.1
|
|
P≤
|
0.035
|
|
S≤
|
0.035
|
|
Si≤
|
0.1-0.35
|
5. Steel grade: STS320
6. Tensile strength : ≥ 320MPa
7. Yield strength: ≥ 215 Map
8. Elongation: 18%
9. Supply ability: 1000 tons per month
10. Delivery time: 10-25 days

