yongheekim
Mechanical
I have been reviewing client's piping spec but the spec is indicated ASTM A 671 pipe made from A515 Gr CB50, 65 and 70 steel shall not be used.
I would be apprecated if someone let me know the reason.
YONG H. KIM
I would be apprecated if someone let me know the reason.
YONG H. KIM