Physical Properties Group C (Class 20, 21, 22)
|
Group C Specialty Materials (Rod and Bar) |
Alloy Number | Rockwell Hardness | Electrical Conductivity | Yield Strength | Ultimate Tensile Strength | Elongation % | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| %IACS [Ms/m] | 0.2% Offset | Ksi [Mpa] | ||||||||||
| Ksi [Mpa] | ||||||||||||
| Minimum | Minimum | Typical | Typical | IN 2" or 4 X D | ||||||||
| Class 20 | C15760 | 71 HRB | 75% [43.5] | 60 [413] | 74 [510] | 25 | ||||||
| Class 21 | C15715 | 63 HRB | 88% [51] | 48 [331] | 58 [400] | 30 | ||||||
| Class 22 | C15725 | 69 HRB | 85% [49] | 54 [332] | 65 [448] | 27 | ||||||
Notes:
Acceptance is based on hardness and conductivity only.
Reference:
American Welding Society Publication J1.3