pvesseleng
Mechanical
Is it the intent of ASME SC VIII Div.1 UW-17(f)(1) welder stamp can not be applied at -40ºC for ferrous materials.
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ASME SC VIII Div.1 UW-17(f)(1)
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I believe you meant UW-37 (f). Yes, -40 deg C is too cold for stamping ferrous materials in accrodance with UW-37 (f). Stamping can be done provided you have ferrous materials limited to P-No 1 Groups 1 and 2, with a MDMT at or above -29 deg C. In lieu of stamping, the manufacturer must maintain a record of the welders ID and location of their welds.
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pvesseleng
Mechanical
yes I meant -40°C MDMT. sorry for bad question.
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