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LG61

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China TB LG61 铁路机车用粗制轮箍订货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: LG61 / LG61
Category Grade Standard Region/Area Standard Content
Metals LG61 TB/T 1882 China 铁路机车用粗制轮箍订货技术条件

Chemical composition(mass fraction)(wt.%) of the LG61

Element Min Max Similar
Cr+Ni+Mo - 0.5000 -
V - 0.1000 -
Ni - 0.2500 -
Mo - 0.0800 -
Cu - 0.3000 -
Cr - 0.2000 -
S - 0.0300 -
P - 0.0300 -
Mn 0.6000 0.9000 -
Si 0.2000 0.4200 -
C 0.5700 0.6500 -

Mechanical Properties of steel grade LG61

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)
524 (≥) 232 (≥) 13 21 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade LG61

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
23 - -     0.14 -  
873 647 - 21.3 421   -  
266 - 13 31.2   434 423

Heat Treatment of steel grade LG61

Heat treated : 1919°C - 1765°C

Technological Curves of steel grade LG61

Cross Reference Table (Equivalent Grade) of LG61

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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