ASTM A36 U Channel Steel: 1)Size:50*32~400*115mm 2)Steel Grade:Q345,SS400,ASTM A36,S235JR,S275JR 3)Standard:JIS,ASTM,DIN... 1.We promise to supply the high quality products.2.Offering lowest price and fastest delivery time.3. Quality: ISO9001: 2000 Quality System has been passed. Hot Rolled U Channel Steel (JIS, ASTM AND EN STANDARD):SpecificationmmTheory weight kg/mSpecificationTheory weightkg/ ...