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thermal buffering testing

thermal buffering testing

thermal buffering testing

(OP)
Hi

what is thermal buffering in forging material HT process.,

is there any standard for using thermal buffering for low carbon high strength alloy materials .



RE: thermal buffering testing

You may wish to see:
SPECIFICATION FOR ALLOY STEEL FORGINGS FOR HIGH-STRENGTH PRESSURE COMPONENT APPLICATION
SA-723/SA-723M
by performing an Internet Search

http://www.welding-advisers.com/

RE: thermal buffering testing

(OP)
thanks ..

whats the key benefit for doing this, compare to the current QTC testing

RE: thermal buffering testing

Since material receives a better quench (higher cooling rate, better properties) near the surfaces of a part, a thermal buffer allows testing of material that more closely represents through-thickness properties of a forging. API 6A, for example, requires mechanical properties 1/4T (1/4 x thickness) from the exterior surface. The material between the specimen and the exterior of the part would be the "buffer".

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