Steel pipe

CommoditymaterialstandardspecificationuseSeamless tube10#, 20#, 35#, 45#, 16Mn 27SiMnGB8162-2008GB8163-2008GB3087-2008GB5310-2008ST45.8, ⅢGB6479-86GB9948-88GB5312-200812*1-1.5-2.5structural pipe20, 35 China Strip steel,H beam,Steel strand,Steel pipe,Steel pile,Zinc coating strip steel,Zinc coating steel coil,Electrical Steel,Steel Billet (Square steel),Low alloy steel plate,Steel wire,Steel Packing Belt,Shipbuilding plate,Channel steel,Prepainted steel coil,Prepainted steel