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SSW-Q2R Class 2

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Japan JIS SSW-Q2RClass2 铁路机车车辆的固体冷轧碳钢车轮 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SSW-Q2RClass2 / SSW-Q2R Class 2
Category Grade Standard Region/Area Standard Content
Metals SSW-Q2R Class 2 JIS E5402 Japan 铁路机车车辆的固体冷轧碳钢车轮

Chemical composition(mass fraction)(wt.%) of the SSW-Q2R Class 2

Element Min Max Similar
V - 0.0500 -
Si 0.1300 0.3800 -
S - 0.0600 -
P - 0.0550 -
Ni - 0.2800 -
Mo - 0.0800 -
Mn 0.4600 0.9400 -
Cu - 0.2800 -
Cr - 0.2800 -
C 0.5700 0.8000 -

Mechanical Properties of steel grade SSW-Q2R Class 2

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)
739 (≥) 523 (≥) 21 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade SSW-Q2R Class 2

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 -  
248 884 - 21.3 142   -  
663 - 21 43.2   312 333

Heat Treatment of steel grade SSW-Q2R Class 2

Heat treated : 1162°C - 1644°C

Technological Curves of steel grade SSW-Q2R Class 2

Cross Reference Table (Equivalent Grade) of SSW-Q2R Class 2

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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