What is the allowable stress of 30CrMo at room temperature?
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Question: 1. What is the allowable stress of 30CrMo at room temperature? 2. Why is the allowable stress for 42CrMo 186–310? Is it affected by temperature? Thank you!
Temperature has an impact; the higher the temperature, the lower the allowable stress
The allowable stress for 30CrMo can be found in GB/T150.2; this value depends on temperature as well as the specifications (thickness or diameter).
I see that GB150 specifies the allowable stress for studs of different specifications; are there also specified allowable stresses for steel pipes and steel plates of different specifications?
30CrMo is an alloy structural steel with a relatively high carbon content; it has poor weldability. GB150 applies only to fasteners