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AWS C1.4M/C1.4:2017
Specification for Resistance Welding of Carbon and Low-Alloy Steels
This specification establishes welding equipment requirements and welding procedures used to produce welds of acceptable quality in coated and uncoated carbon and low-alloy steels, including mild steels and high strength low alloy (HSLA) steels. Since this standard relies on a pulled button to validate the welding procedure, it may not apply to the welding of Advanced High Strength Steels (AHSS) including: dual phase (DP), transformation induced plasticity (TRIP), complex phase (CP) and martensitic steels (MART); or to hot stamped steels (HSS).
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American Welding Society [aws]
American Welding Society [aws]