422 Stainless Steel Cracking after Heat Treat
422 Stainless Steel Cracking after Heat Treat
(OP)
Why are there numerous cracks on a 90" dia forged ring after harden and temper?
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422 Stainless Steel Cracking after Heat Treat
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422 Stainless Steel Cracking after Heat Treat422 Stainless Steel Cracking after Heat Treat(OP)
Why are there numerous cracks on a 90" dia forged ring after harden and temper?
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RE: 422 Stainless Steel Cracking after Heat Treat
"You see, wire telegraph is like a very long cat. You pull his tail in New York and his head is meowing in Los Angeles. Do you understand this? Radio operates the same way: You send signals here, they receive them there. The only difference is there is no cat." A. Einstein
RE: 422 Stainless Steel Cracking after Heat Treat
Can you provide a photograph illustrating the cracks?
Maui
www.EngineeringMetallurgy.com
RE: 422 Stainless Steel Cracking after Heat Treat
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"It's better to die standing than live your whole life on the knees" by Peter Mayle in his book A Good Year
RE: 422 Stainless Steel Cracking after Heat Treat
Maui - Your answer was that "if oil quenched, the part has to be removed from oil before its temp goes below 500F and let it cool in air to avoid cracking". Our part was oil quenched from 1900F and left in oil until it went below 150F.
Thank all of you again,
h9naziri