... .T:0.8-16mm Tech:ERW Length:1m-16m Grade:Gr.B,Q195-Q345 Dliv:15 days with large inventory SGS Inspection ... Name:YXLSteel Grade:Q195,Q215,Q235,Q345,,ASTM A53 A/B,Standard:GB/T9711,GB/T3091,EN 10025,ASTM A500,BS ... ,XXS etc.LengthLess than 12mSteel materialQ195 → Grade B, SS330,SPHC, S185Q215 → Grade C,CS Type B,SS330, SPHCQ235 → Grade D,SS400,S235JR ...