CL55Si

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China GB CL55Si 铁路用辗钢整体车轮 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: CL55Si / CL55Si

Category	Grade	Standard	Region/Area	Standard Content
Metals	CL55Si	GB 8601	China	铁路用辗钢整体车轮

Chemical composition(mass fraction)(wt.%) of the CL55Si

Element	Min	Max	Similar
C	0.5000	0.6000	-
Si	0.7000	1.0000	-
Mn	0.6000	0.9000	-
S	-	0.0400	-
P	-	0.0350	-

Mechanical Properties of steel grade CL55Si

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
276 (≥)	395 (≥)	11	31	34	Solution and Aging, Annealing, Ausaging, Q+T,etc	112

Physical Properties of steel grade CL55Si

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
21	-	-			0.31	-
251	738	-	22.3	412		-
842	-	24	44.2			342	242

Heat Treatment of steel grade CL55Si

Heat treated : 1725°C - 1863°C

Technological Curves of steel grade CL55Si

No Curve

Cross Reference Table (Equivalent Grade) of CL55Si

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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