產(chǎn)品詳情
Grade : X12CrNiMoV12-3緊固件用鋼 不銹鋼
Number: 1.4938
Classification: 合金專用馬氏體抗蠕變鋼
Density: 7.8 g/cm 3
Standard: EN 10302:2008抗蠕變鋼、鎳和鈷合金
EN 10269:1999具有規(guī)定高溫和/或低溫財產(chǎn)的緊固件用鋼和鎳合金
EN 10088-1:2005不銹鋼。不銹鋼清單
Equivalent grades:
Chemical comb % of steel X12CrNiMoV12-3 (1.4938): EN 10302-2008
|
C
|
Si
|
Mn
|
Ni
|
P
|
S
|
Cr
|
Mo
|
V
|
N
|
|
0.08 - 0.15
|
max 0.5
|
0.4 - 0.9
|
2月3日
|
max 0.025
|
max 0.015
|
11 - 12.5
|
1.5 - 2
|
0.25 - 0.4
|
0.02 - 0.04
|
|
Mechanical properties of steel X12CrNiMoV12-3 (1.4938)
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|
|
|
|
|
|
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Rm - Tensile strength (MPa) (+QT)
|
930-1130
|
|
|
|
|
|
|
|
|
|
|
Rp0.2 0.2% proof strength (MPa) (+QT)
|
760
|
|
|
|
|
|
|
|
|
|
|
KV - Impact energy (J) (+QT)
|
+20°
|
|
|
40
|
|
|
|
|
|
|
|
|
|
|
A - Min. elongation at fracture (%) (+QT)
|
14
|
|
|
|
|
|
|
|
|
|
|
|
Z - Reduction in cross section on fracture (%) (+QT)
|
40
|
|
|
|
|
|
Brinell hardness (HBW): (+A)
|
311
|
|
