We use better raw materials we can sell include:
20G, 10 #, 20 #, 35 #, 45 #, 20Cr, 40Cr, 16Mn
GCr15, 12Cr1MoV, P91, T91, T22, WB36, 15CrMo42CrMo, 20CrMnTi, 27SiMn
For example.
Seamless steel pipe for fluid service with different pressure and sizes
low-pressure
middle pressure
high pressure