Pls kindly send inquiry to 1. Seamless pipe Size: dia 10mm-630mm Material: 10#-45#, q345a/ b/ c/ d, 27simn, 40cr, 40crmn, 20crmn, 30mn Executive standard: gb8162 ( structural pipe ) , gb8163 ( fluid pipe ) , gb3087-99 ( boiler pipe ) , gb5310-95 ( boiler pipe for high pressure ) , gb6479-2000 ( fertilizer special pipe ) , gb9948-88 ( petroleum cracked pipe ) , din17175-95 ( german standard ) , st45.8, astm 106b etc. Foreign standard 2. Straight weld tubing, galvanized pipe Size: dia 10mm-630mm Material: q195-q235, 16mn, q345a/ b 3. Welding square pipe/ rectangular tube/ galvanized square and rectangular pipe Size: dia 12mm-400mm Material: q195-q235 4. Screw seam two submerged-arc welding pipe Size: dia 159mm-2200mm Material: q235b, q345b.
