... : 20- 270mm x 0.18 - 2.5mm 0.36-16,0.36-19.0.36-12.7,0.3-16, 0.3-16,0.5-16,0.5-19,0 ... .5-12.7,0.6-16, 0.6-17,0.7-19,0.8-19,0.8-32,0.9-19, 0.9-32,0.9-20,0 ... spring, band saw, saw, tools Steel strip: 1) Size: 20- 270mm x 0.18 - 2.5mm 2) Material: C50, C67, 1075 3 ... material coefficient and surface smoothness4) Various steel grades: (0.18-2.5) x (20-250)5) Material: C50, C67, 60Si2Mn, T8A, T10A ...