... ANSI, JIS, DIN, EN, ISO, GB, SH AND HG Material: Carbon, Stainless, Alloy Certificate: API, ISO9001: 2000, ... Sample availabilityYES ( function(){ var aBigImageSrc = [ 'http://i00.i.aliimg.com/photo/v1/754996654_1/Round_Seamless_Pipe_ASTM_A106_53_Gr.jpg ... .com/photo/v1/754996654_2/Round_Seamless_Pipe_ASTM_A106_53_Gr.jpg' , 'http://i00.i.aliimg.com/photo/v1/754996654_3/Round_Seamless_Pipe_ASTM_A106_53_Gr ...