Metal test specimen
KS D 3507
Carbon Steel Pipes for Ordinary Piping

Metal test specimen
KS D 3631
Carbon Steel Pipes for Fuel Gas Piping

Metal test specimen
KS D 3562
Carbon Steel Pipes for Ordinary Piping #40

Metal test specimen
KS D 3562
Carbon Steel Pipes for Pressure Service #80

Metal test specimen
KS C 8401
Rigid Steel Conduits

Metal test specimen
KS D 3566
Carbon Steel Pipes for General Structural Purposes Square SGT275

Metal test specimen
KS D 3566
Carbon Steel Pipes for General Structural Purposes Square SGT355

Metal test specimen
KS D 3568
Rectangular Pipes SRT275