Steel cold and hot rolled strip by standard ASTM A366,A284,A414,BS1449,DIN1614,JIS ... are professional of supplying steel cold rolled and hot rolled strip by standard GB/T710,711,ASTM A366,A284,A414,A285 ... 40Mn4By BS:040A10,12,040A12,080A15,20,070M26,080M30,36,40,46,50,070M35,60,080A67,72,78,81,080A15,20 ... ,080M30,40,47,50By JIS:SPHD3.Size: thickness 0.1-10mm width ...