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50-HH370

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Japan JIS 50-HH370 热硬化钢轨 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 50-HH370 / 50-HH370
Category Grade Standard Region/Area Standard Content
Metals 50-HH370 JIS E1120 Japan 热硬化钢轨

Chemical composition(mass fraction)(wt.%) of the 50-HH370

Element Min Max Similar
V - 0.0300 -
Si 0.1000 0.6500 -
S - 0.0200 -
P - 0.0300 -
Ni - 0.0300 -
Mn 0.8000 1.2000 -
Cr - 0.2500 -
C 0.7200 0.8200 -

Mechanical Properties of steel grade 50-HH370

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)
545 (≥) 396 (≥) 11 12 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 50-HH370

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 - -     0.41 -  
954 342 - 12.3 422   -  
863 - 32 43.2   233 311

Heat Treatment of steel grade 50-HH370

Heat treated : 1595°C - 1574°C

Technological Curves of steel grade 50-HH370

Cross Reference Table (Equivalent Grade) of 50-HH370

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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