| Group B Refracotry Metal Composite Materials | Alloy Number | Rockwell Hardness |
Electrical Conductivity %IACS [Ms/m] |
Ultimate Compressive Strength¹ | ||||
| Minimum | Minimum | ksi [Mpa] | ||||||
| Class 10 | N/A2 | 72 HRB | 45% [26] | 135 [930] | ||||
| Class 11 | ASTM B702 C1D | 94 HRB | 40% [23] | 160 [1103] | ||||
| Class 12 | ASTM B702 C1E | 98 HRB | 35% [20] | 170 [1172] | ||||
| Class 13 | N/A | 69 HRA | 30% [17.4] | 200 [1379] | ||||
| Class 14 | ASTM B387 Type 360 | 85 HRB | 30% [17.4] | 88 [607] | ||||
Notes:
1. For information only
2. Not Assigned
3. The conductivity and hardness noted may differ from ASTM standards
Reference:
- American Welding Society Publication J1.3
