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Testing
Ultrasonic soundness, mechanical properties and chemistry, per lot.
| Test | Method | Establishes | Where |
|---|---|---|---|
| Ultrasonic | AMS-STD-2154, class per order | Internal soundness | Report |
| Tensile | ASTM E8 | Yield, tensile, elongation, reduction | Certificate |
| Hardness | Per grade | Condition response | Certificate |
| Composition | Melt analysis | Against the grade | Certificate |
| Grain size | ASTM E112 | On request | Report |
Why UT class is quoted separately
A general UT and a specified class are different acceptance criteria. Naming the class at enquiry means the bar is inspected to it before shipment; naming it afterwards means the lot is re-inspected or rejected.