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25Cr2Ni4MoV

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China JB 25Cr2Ni4MoV 大型核电机组汽轮机用焊接转子锻件.技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25Cr2Ni4MoV / 25Cr2Ni4MoV
Category Grade Standard Region/Area Standard Content
Metals 25Cr2Ni4MoV JB/T 11024 China 大型核电机组汽轮机用焊接转子锻件.技术条件

Chemical composition(mass fraction)(wt.%) of the 25Cr2Ni4MoV

Element Min Max Similar
C - 0.2600 -
Mn - 0.3500 -
Si - 0.1000 -
P - 0.0150 -
S - 0.0150 -
Cr 1.5000 2.0000 -
Ni 3.2500 4.0000 -
Mo 0.2000 0.5000 -
V 0.0500 0.1300 -
Cu - 0.1500 -
C - 0.2500 -
Mn - 0.3500 -
Si 0.1700 0.3700 -
P - 0.0120 -
S - 0.0120 -
Cr 1.5000 2.0000 -
Ni 3.2500 4.0000 -
Mo 0.2000 0.5000 -
V 0.0500 0.1500 -
Cu - 0.1500 -
Al - 0.0100 -
Sn - 0.0150 -
Sb - 0.0015 -
As - 0.0200 -

Mechanical Properties of steel grade 25Cr2Ni4MoV

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
573 (≥) 382 (≥) 13 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade 25Cr2Ni4MoV

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.11 -  
632 238 - 33.3 144   -  
262 - 22 11.2   414 224

Heat Treatment of steel grade 25Cr2Ni4MoV

Heat treated : 1599°C - 1915°C

Technological Curves of steel grade 25Cr2Ni4MoV

Cross Reference Table (Equivalent Grade) of 25Cr2Ni4MoV

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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