... ,strong and long life are advantages of our products. NameStainless Steel pipeStandardASTM A554, A249, A269 and A270, A312Material Grade201 ( Ni 0 ... , water pressure test, crystal rot test, heat treatment, NDT Material201202304316430 Composition C≤0.15≤0.15≤0.08≤0.08≤0 ... -7.57.5-10≤2.00≤2.00≤1.00Chemical Composition of MaterialP≤0.06≤0.06≤0.045≤0.045 ...