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FeMn74C7.5

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China HB FeMn74C7.5 铸造高温合金选用原材料技术要求 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: FeMn74C7.5 / FeMn74C7.5
Category Grade Standard Region/Area Standard Content
Metals FeMn74C7.5 HB/Z 131 China 铸造高温合金选用原材料技术要求

Chemical composition(mass fraction)(wt.%) of the FeMn74C7.5

Element Min Max Similar
Fe - - -
S - 0.0300 -
P-Ⅱ - 0.3500 -
P-Ⅰ - 0.2500 -
Si-Ⅱ - 3.0000 -
Si-Ⅰ - 2.0000 -
C - 7.5000 -
Mn 70.0000 77.0000 -

Mechanical Properties of steel grade FeMn74C7.5

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)
153 (≥) 811 (≥) 42 43 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical Properties of steel grade FeMn74C7.5

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
31 - -     0.43 -  
736 996 - 12.3 143   -  
349 - 23 22.2   422 434

Heat Treatment of steel grade FeMn74C7.5

Heat treated : 1462°C - 1247°C

Technological Curves of steel grade FeMn74C7.5

Cross Reference Table (Equivalent Grade) of FeMn74C7.5

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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Jiangyou Longhai Special Steel Co.,Ltd.

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