GB/T 45781

GB/T 45781 (Seamless steel tubes for mechanical structures)· GB (中国) · 69 种材料

名称	材料组别
12Cr2Ni4	结构钢	chevron_right
12CrNi2	结构钢	chevron_right
12CrNi3	结构钢	chevron_right
20	结构钢	chevron_right
20CrMn	结构钢	chevron_right
20CrMnSi	结构钢	chevron_right
20CrMnTi	结构钢	chevron_right
20Mn2B	结构钢	chevron_right
20MnTiB	结构钢	chevron_right
20MnV	结构钢	chevron_right
25Mn	结构钢	chevron_right
27SiMn	结构钢	chevron_right
30Cr	结构钢	chevron_right
30CrMnSiA	结构钢	chevron_right
30CrMnTi	结构钢	chevron_right
30CrMo	结构钢	chevron_right
35	结构钢	chevron_right
35Cr	结构钢	chevron_right
35CrMnSiA	结构钢	chevron_right
35CrMo	结构钢	chevron_right
38CrSi	结构钢	chevron_right
40Cr	结构钢	chevron_right
40Cr	工具钢	chevron_right
40CrNiMoA	结构钢	chevron_right
40Mn2	结构钢	chevron_right
40MnB	结构钢	chevron_right
42CrMo	结构钢	chevron_right
45	结构钢	chevron_right
45Cr	结构钢	chevron_right
45CrNiMoVA	结构钢	chevron_right
45Mn2	结构钢	chevron_right
45MnB	结构钢	chevron_right
50Cr	结构钢	chevron_right
50CrV(A)	结构钢	chevron_right
Q355B	结构钢	chevron_right
Q355C	结构钢	chevron_right
Q355D	结构钢	chevron_right
Q355E	结构钢	chevron_right
Q355F	结构钢	chevron_right
Q390B	结构钢	chevron_right
Q390C	结构钢	chevron_right
Q390D	结构钢	chevron_right
Q390E	结构钢	chevron_right
Q390F	结构钢	chevron_right
Q420B	结构钢	chevron_right
Q420C	结构钢	chevron_right
Q420D	结构钢	chevron_right
Q420E	结构钢	chevron_right
Q420F	结构钢	chevron_right
Q460C	结构钢	chevron_right
Q460D	结构钢	chevron_right
Q460E	结构钢	chevron_right
Q460F	结构钢	chevron_right
Q500C	结构钢	chevron_right
Q500D	结构钢	chevron_right
Q500E	结构钢	chevron_right
Q500F	结构钢	chevron_right
Q550C	结构钢	chevron_right
Q550D	结构钢	chevron_right
Q550E	结构钢	chevron_right
Q550F	结构钢	chevron_right
Q620C	结构钢	chevron_right
Q620D	结构钢	chevron_right
Q620E	结构钢	chevron_right
Q620F	结构钢	chevron_right
Q690C	结构钢	chevron_right
Q690D	结构钢	chevron_right
Q690E	结构钢	chevron_right
Q690F	结构钢	chevron_right