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MGH4758

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China GB MGH4758 高温合金和金属间化合物高温材料的分类和牌号 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MGH4758 / MGH4758
Category Grade Standard Region/Area Standard Content
Metals MGH4758 GB/T 14992 China 高温合金和金属间化合物高温材料的分类和牌号

Chemical composition(mass fraction)(wt.%) of the MGH4758

Element Min Max Similar
Ti 0.4000 0.7000 -
S - 0.0050 -
O - 0.5000 -
Ni - - -
Fe - 1.2000 -
Cr 28.0000 32.0000 -
C - 0.0500 -
Al 0.2500 0.5500 -

Mechanical Properties of steel grade MGH4758

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)
221 (≥) 123 (≥) 14 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade MGH4758

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
34 - -     0.34 -  
558 233 - 24.3 444   -  
873 - 11 14.2   343 133

Heat Treatment of steel grade MGH4758

Heat treated : 1898°C - 1483°C

Technological Curves of steel grade MGH4758

Cross Reference Table (Equivalent Grade) of MGH4758

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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