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BS 5138:1974
Specification for magnetic particle flaw inspection of finished machined solid forged and drop stamped crankshafts (British Standard)
Specifies conditions for magnetic particle flaw inspection of solid forged and drop stamped crankshafts with pin or journal finished machined diameter 80 mm and over, excluding built-up shafts and automotive types. Acceptance levels are given.
British Standards Institution [bsi]