GB/T 4697

GB/T 4697 (矿山巷道支护用热轧U型钢)· GB (中国) · 29 种材料

名称 材料组别
16MnK 结构钢 chevron_right
20MnK Type 11 结构钢 chevron_right
20MnK Type 12 结构钢 chevron_right
20MnK Type 18UY 结构钢 chevron_right
20MnK Type 25U 结构钢 chevron_right
20MnK Type 25UY 结构钢 chevron_right
20MnK Type 29U 结构钢 chevron_right
20MnK Type 36U 结构钢 chevron_right
20MnK Type 9 结构钢 chevron_right
20MnVK Type 11 结构钢 chevron_right
20MnVK Type 12 结构钢 chevron_right
20MnVK Type 18UY 结构钢 chevron_right
20MnVK Type 25U 结构钢 chevron_right
20MnVK Type 25UY 结构钢 chevron_right
20MnVK Type 29U 结构钢 chevron_right
20MnVK Type 36U 结构钢 chevron_right
20MnVK Type 40U 结构钢 chevron_right
20MnVK Type 9 结构钢 chevron_right
24Mn2K 结构钢 chevron_right
25MnK Type 11 结构钢 chevron_right
25MnK Type 12 结构钢 chevron_right
25MnK Type 18UY 结构钢 chevron_right
25MnK Type 25U 结构钢 chevron_right
25MnK Type 25UY 结构钢 chevron_right
25MnK Type 29U 结构钢 chevron_right
25MnK Type 9 结构钢 chevron_right
25MnVK 结构钢 chevron_right
30Mn2K 结构钢 chevron_right
34SiMnK 结构钢 chevron_right