... : ASTM, DIN,JIS 4.Size:1/2"-48" ISO/API carbon steel pipe/steel tube1.Type: smls welded2.Material: a106b a53b 3.Standard: ASTM ... 1 to 6 Alloy Steel: ASTM A 335, GR P1, P2, P5, P9, P11, P22, P91 Types : RoundSize : Seamless: 1/4” Upto ... ,hot expanded,colde drawn,and hot galvanized.Steel pipe pictures:Company ProfileHuize Pipe Fitting is known for quality of the products, technology solutions, competitive ...