牌号 |
力学性能
Mechanicai properities |
|
抗拉强度为(δb/MPa)
|
硬度为HRB (78-88,HV)
|
|
C18150
|
540-640
|
160-185
|
牌号
|
化学成分(重量百分比)
Chemicail composition(WT%) |
|||||||
碳
(C) |
硅
(Si) |
锰
(Mn) |
硫
(S) |
磷
(P) |
铬
(Cr) |
镍
(Ni) |
铜
(Cu) |
|
T8Mn
|
0.80~0.90
|
≤0.35
|
0.40~0.60
|
≤0.03
|
≤0.035
|
≤0.25、≤0.10
|
≤0.20、≤0.12
|
≤0.30、≤0.20
|