Features: 1) Material: Q235A/B, Q345B, ASTM A36, A572 GR50, etc 2) Length: 5.8m--12m 3) Size: Equal: 20 x 20mm - 200 x 200mm equals to 3/4" - 8" Unequal: 50 x 32 x 4mm - 200 x 125 x 18mm 4) Standard: GB, ASTM, JIS, DIN We can supply all kinds of seamless steel pipes,steel bars,steel coil,U-ahannel and Angle steel.Please contact me if you have any requirements in this line of the products. I will give you the offer in the first time.