IS 4454-1

IS 4454-1 (Steel Wire for Mechanical Springs - Specification - Part 1: Cold Drawn Unalloyed Steel Wire)· IS (印度) · 5 种材料

名称 材料组别
DH 结构钢 chevron_right
DM 结构钢 chevron_right
Grade SL 结构钢 chevron_right
SH 结构钢 chevron_right
SM 结构钢 chevron_right