|
牌號
|
30CrNi2MoVA合金結(jié)構(gòu)鋼絲
|
|
|
|
|
|
|
|
|
|
|
中國ISC
|
A51303
|
|
|
|
|
|
|
|
|
|
|
對應(yīng)標準
|
GB /T 3079-1993
|
|
|
|
|
|
|
|
|
|
|
合金結(jié)構(gòu)鋼絲
|
|
|
|
|
|
|
|
|
|
|
Alloy structure steels wires
|
|
|
|
|
|
|
|
|
|
|
歸類
|
合金鋼
|
|
|
|
|
|
|
|
|
|
|
30CrNi2MoVA 化學元素成分含量(%)
|
|
|
|
|
|
|
|
|
|
|
|
成分
|
C
|
Si
|
Mn
|
P
|
S
|
Cr
|
Ni
|
Cu
|
Mo
|
V
|
|
最小值
|
0.26
|
0.17
|
0.3
|
-
|
-
|
0.6
|
2
|
-
|
0.2
|
0.15
|
|
最大值
|
0.33
|
0.37
|
0.6
|
0.025
|
0.025
|
0.9
|
2.5
|
0.25
|
0.3
|
0.3
|
|
特級優(yōu)質(zhì)鋼 P≤0.025%，S≤0.015%，此時在鋼號后加E。
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
GB 30CrNi2MoVA GB/T 3079 Mechanical
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Yield
|
Tensile
|
Impact
|
Elongation
|
Reduction in cross section on fracture
|
As-Heat-Treated Condition
|
Brinell hardness (HBW)
|
|
|
|
|
|
Rp0.2 (MPa)
|
Rm (MPa)
|
KV/Ku (J)
|
A (%)
|
Z (%)
|
|
|
|
|
|
762 (≥)
|
577 (≥)
|
21
|
44
|
32
|
Solution and Aging, Annealing, Ausaging, Q+T,etc
|
322
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
GB 30CrNi2MoVA GB/T 3079 Physical
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
GB 30Cr Ni2Mo VA GB/T 3079的物理性能參數(shù)主要由密度、泊松比、熱導率、比熱容、熱膨脹系數(shù)、彈性模量、電阻值等表示。
|
|
|
|
|
|
|
|
|
|
|
|
Temperature
|
Modulus of elasticity
|
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and
|
Thermal conductivity
|
Specific thermal capacity
|
Specific electrical resistivity
|
Density
|
Poisson’s coefficient, ν
|
|
|
|
|
(°C)
|
(GPa)
|
(W/m·°C)
|
(J/kg·°C)
|
(Ω mm2/m)
|
(kg/dm3)
|
|
|
|
|
21
|
-
|
-
|
|
|
0.21
|
-
|
|
|
|
|
|
616
|
224
|
-
|
14.3
|
234
|
|
-
|
|
|
|
|
|
574
|
-
|
24
|
13.2
|
|
|
444
|
133
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
GB 30CrNi2MoVA GB/T 3079 Processing Service
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
