Standard for ASTM A269 or A213 or equivaent Full annealed Stainless steel high quality seamless steel tube Working Pressure are based on allowable value of 20.000psi according to ASME B31.3 Materials; stainless steel, duplex stainless steel or copper special alloy Size : BA (Bright anealing) , EP(Electro polishing) Marked with material specification and heat code Standard length : 3m, 4m, 6m