| Specification | ProcessDescription | Category | SpecLimits |
| AWS D1.1 | Structural Steel Welding - Steel | Welding | Limits: Ground support hardware only |
| AWS D1.2 | Structural Welding - Aluminum | Welding | Limits: Ground support hardware only |
| AWS D1.6 | Structural Welding - Stainless Steel | Welding | Limits: Ground support hardware only |
| AWS D17.1 | Fusion Welding for Aerospace Applications | Welding | Limits: Ground support hardware only. Class C or lower, Alloy Groups II and IV |