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25 Mn 4

Favorite Datasheet

EU EN 25Mn4 热处理冷轧窄钢带- 交货技术条件 - 第3部分：淬火和回火钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25Mn4 / 25 Mn 4
Category Grade Standard Region/Area Standard Content
Metals 25 Mn 4 EN 10132-3 EU 热处理冷轧窄钢带- 交货技术条件 - 第3部分：淬火和回火钢

Chemical composition(mass fraction)(wt.%) of the 25 Mn 4

Element Min Max Similar
Si - 0.4000 -
S - 0.0350 -
P - 0.0350 -
Ni - 0.4000 -
Mo - 0.1000 -
Mn 0.9500 1.1500 -
Cr - 0.4000 -
C 0.2300 0.2800 -

Mechanical Properties of steel grade 25 Mn 4

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)
735 (≥) 513 (≥) 33 34 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade 25 Mn 4

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
24 - -     0.12 -  
439 457 - 23.3 413   -  
284 - 12 23.2   223 143

Heat Treatment of steel grade 25 Mn 4

Heat treated : 1815°C - 1616°C

Technological Curves of steel grade 25 Mn 4

Cross Reference Table (Equivalent Grade) of 25 Mn 4

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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