product nameï¼ÂÂÂSeamless steel pipes for high pressure boiler size(mm)ãÂÂÂÂÂÂod*wtï¼ÂÂÂ102-630*4-40*<=12000 steel gradeï¼ÂÂÂ20G 15CrMoG 12Cr1MoVG standardï¼ÂÂÂDIN17175, ASME SA213, ASME SA335, EN10216-2, GB5310 product nameï¼ÂÂÂSeamless steel pipe for low and medium pressure boiler size(mm)ãÂÂÂÂÂÂod*wtï¼ÂÂÂ102-630*4-40*<=12000 steel gradeï¼ÂÂÂï¼ÂÂÂ0,20,A,B standardï¼ÂÂÂASTM A106, DIN17175, GB3087