IS 6967

IS 6967 (电焊圆钢链用钢)· IS (印度) · 5 种材料

名称 材料组别
20Mn2 结构钢 chevron_right
20Ni55Cr50Mo20 结构钢 chevron_right
C15Mn75 结构钢 chevron_right
C25Mn75 结构钢 chevron_right
C30 结构钢 chevron_right