I Beam Square Steel Round Steel Tube Blank

My unit sells various large material: 1.work word steel:Material Q235AB/ F, Q345A(16 Mns) 2.slot steel:The material Q235A, B/ F, Q345A(16 Mns) 3.heavy track, the welding steel rail:Material U71Mn, U71V( PD3) 4.heavy track, the welding track:( Short Chinese foot):Material U7Mn, BNbRe, U75V( PD3) 5.a branch track:Material U71Mn, U75V( PD3) 6.industry track:Material U7Mn, BNbRe, U75V( PD3) 7.hoist track:Material U71Mn 8.the shipbuilding uses the angle steel:Material A( CCS), B( CCS), D( CCS) 9.flat steel of ball:Material A( CCS), B( CCS), D( CCS) 10.track steel:Material 40 SiMn2s 11.lining board:Material 65 Mns 12.work word steel:The material Q235A, B, Q235A(16 Mns),20# 13.slot steel:The material Q235A, B, Q345A(16 Mns),20#,08 CuPVXts 14.equilateral angle steel:The material Q235A, B, Q345A(16 Mns),14 MnNbs 15.not equilateral angle steel:The material Q235A, B, the Q345 A(16 Mns) 16.H type steel:The material Q235A, B, the Q345 A, B 17.square steel:Material As Q195-235ses, Q275#,10-20#,30-80#,20-42 CrMos,10-40 Cr20CrMnTis,15 Mns Mns-30ses,35 Mns Mns-65ses, Q345A 18.a steel:The material Q235A, B,10-55#, Q345A,16 Mns,20 CrMnTis. 19.the tube :Material 10-45#,2 CrMos Medium-sized material 1.work word steel:The material Q235A, B 2.slot steel:The material Q235A, B,09 CuOTiRes 3.the English mark slot steel:The material Q235A, B, SS400,43 As 4.the day marks the slot steel:( Common light) the material Q235A, B; ( The thin wall is light) the material Q235A, B 5.light slot steel:The material Q235A, B International mark the light slot steel:The material Q235A, B 6.equilateral angle steel:The material Q235A, B,09 CuPTiRes 7.not equilateral angle steel:The material Q235A, B,09 CuPTiRes 8.the shipbuilding uses the angle steel:Material steel A( CCS), B( CCS), D( CCS) 9.the mineral uses the slot steel:Material:24Mn2K 10.light track:Material:50 SiMnPs,55 Qs,56 Nbs