In the following specifications
Equal TEE - ASTM A234, WPB
Weld-o-let - ASTM A105N
Elbow - 90 degree LR, ASTM A234, WPB
Flange - WN, RF, A105N, 150#
What is this A234 stands for
What is this WPB stands for
In weld-o-let and Flanges, what is this A105N stands for.
Appreciate your valuable assistance.....
Sabir