| Symbol | WW |
|---|---|
| Unit | - |
| Attribute-ID | stplus_switch_iso_tr_15144_W_W_combo |
| Numeric ID | 10302 |
| Value Type | PMDouble |
Table: Material factor WW according to ISO TR 15144-1.
| Material | Material factor WW |
| Case hardened steel, with austenite content: | |
| - less than 25% | 1.00 |
| - greater than 25% | 0.95 |
| Gas nitrided steel (HV>850) | 1.50 |
| Induction, flame-hardened steel | 0.65 |
| Through-hardened steel | 0.50 |
Source: ISO TR 15144-1