PWHT (post weld heaat treatment)

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15 years 11 months ago - 15 years 11 months ago #7318 by yeosu1081
PWHT (post weld heaat treatment) was created by yeosu1081
Hello guys,
Im working on Boiler Construction Project - piping section and this is my first experienced in construction.
I have encountered a piping and a valve that dont
have same thickness....valve thickness is 19mm over and my
pipe is quite lower. So im considering the PWHT.please advise if you have a basis on this kind of situation.
thanks in advance.

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15 years 11 months ago - 15 years 11 months ago #4612 by Jop
Replied by Jop on topic yeosu1081, Before you can get any
yeosu1081,

Before you can get any help with this we need some additional information.

1. Is the outside diameter the same for both items and the inside diameter different?

2. Is the inside diameter the same for both items and the outside diameter different?

3. What is the material?

Do it once and Do it Right

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15 years 11 months ago - 15 years 11 months ago #4613 by yeosu1081
Replied by yeosu1081 on topic PWHT (post weld heaat treatment)
Sorry I forgot to indicate the material.
1. The inside diameter is the same.
2. The material used is SA 105-C
Thanks again

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