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Welding 3CR12 Ferritic Stainless Steel

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Martyn

Automotive
Jan 14, 2001
3
Can anyone tell me what happens to the tensile strength of 3CR12 parent material in the immediate area of a weld.
Does it become normalised. If so, how does this effect the yield stress (normally 320 N/mm^2 min.)
 
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Martyn,
The welding of 3CR12 causes embrittlement associated with severe grain growth in the heat affected zone and fusion zone. This will lower mechanical properties such as tensile & yield point.

PaulGillespie
 
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