درباره ما
MIL-W-21157A
WELDMENT, STEEL, CARBON AND LOW ALLOY (YIELD STRENGTH 30,000-60,000 PSI)
Year: 1971
Abstract: This specification covers the requirements for steel weldments fabricated by metal electrode welding processes.
Weldments shall be of the following classes, as specified (see 6.2 and 6.3 and tables I-A and I-B).
Class 1
Class 2
Class 3
Class 4
Class 5 Intended Use: Weldments covered by this specification are intended for use in military equipment and as specified by the procuring activity (see 6.3). The various classes (see 1.2) are intended to be used as indicated in table II.![Table II SAFETY FACTORS1 REQUIRED FOR CLASSES OF WELDMENTS AS A FUNCTION OF SERVICE CONDITION]()
Weldments shall be of the following classes, as specified (see 6.2 and 6.3 and tables I-A and I-B).
Class 1
Class 2
Class 3
Class 4
Class 5 Intended Use: Weldments covered by this specification are intended for use in military equipment and as specified by the procuring activity (see 6.3). The various classes (see 1.2) are intended to be used as indicated in table II.
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