... angle material 201,301,304,321,316L size:25*25*3~100*100*10 steel angleEquilateral angle steel Size(mm)Size ... toleranceW.TThickness tolerance20*20,25*25,30*30±0.8mm 3-4mm±0.4mm 36*36,40*40±0.8mm3-5mm ... -16mm±1.0mm200*200±2.5mm14-24mm±1.0mmLength3-12mStandardExecute standard: GB9787-88 Material201,301,304,321,316LProduceAccording to the customer ...