Dear Sir,
I am from China, someone sent me a list that contents some term that I can't understand
and need your help.
1, How about the carbon contents for ASTM A35 and A53 ?
2, what means for < 3"BWD ELL 90 SCH 40>
3, what means for < 3" VICT/NIPPLE SCH 40> ; < 3"VICT/CPLG...