seamless steel tubes for high pressure boiler

Standard ASTM A53/A 53M /ASME SA-53/ SA -53M Application It is used for conveying water,petrolem ,gas and other common fluids. Main steel pipe grade A 53A A53B etc. Other grade is also negotiable. Other grade is also available for special request. Chemical Composition(%)&Mechanical PropertiseStandard Grade Chemical Composition(%) C Mn P S Cu Ni Cr Mo V ASTMA53/ASMESA53 A 0.25 0.95 0.05 0.045 0.40 0.40 0.40 0.15 0.08 B 0.30 1.20 0.05 0.045 0.40 0.40 0.40 0.15 0.08 Mechanical Propertise Tensile Strength(Mpa) Yield Strength(Mpa) A ≥ 330 ≥ 205 B ≥ 415 ≥ 240