1. Standard
American Standard:ASME SB1672. Chemical Composition
Elements | C | Mn | P | S | Si | Cr | Mo | Ni | Ti | Nb | Cu | Fe | Al |
Min | 27.00 | 58.0 | 7.0 | ||||||||||
Max | 0.05 | 0.5 | 0.015 | 0.5 | 31.0 | 0.5 | 11.0 | ||||||
Actual value | 0.02 | 0.09 | 0.003 | 0.35 | 30.5 | 62.0 | 0.1 | 10.5 |
3. Mechanical Properties
Cold worked and annealed
OD | Mechanical Properties |
Tensile Strength MPa |
Yield Strength MPa |
Elongation % |
Hardness HBW/HRC |
OD≤127mm | Min | 586 | 240 | 30 | |
Max | |||||
Actual value | 603 | 267 | 42 | ||
OD>127mm |
Min | 586 | 205 | 35 | |
Max | |||||
Actual value | 595 | 232 | 51 |
4.Typical Size
Size |
Outside Diameter mm |
Tolerance of Outside Diameter mm |
Wall Thickness mm |
Tolerance of Wall Thickness |
114.3*4 | 114.3 | ±0.51 | 4 | ±12.5%S |
5. Typical Application Environment
1) Steam generator used in pressurized water reactor2) Military thermal components