LR Type 430

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England Lloyds LRType430 Alloy steel forgings for crankshafts and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: LRType430 / LR Type 430

Category	Grade	Standard	Region/Area	Standard Content
Metals	LR Type 430	--	England	Alloy steel forgings for crankshafts

Chemical composition(mass fraction)(wt.%) of the LR Type 430

Element	Min	Max	Similar
Ni	0.4000	-	-
Mo	0.1500	-	-
Cr	0.4000	-	-
Cu	-	0.3000	-
P	-	0.0350	-
S	-	0.0350	-
Mn	0.3000	-	-
Si	-	0.4500	-
C	-	0.4500	-
Si	-	0.4500	-
S	-	0.0350	-
P	-	0.0350	-
Ni	0.4000	-	-
Mo	0.1500	-	-
Mn	0.3000	-	-
Cu	-	0.3000	-
Cr	0.4000	-	-
C	-	0.4500	-
Si	-	0.4500	-
S	-	0.0350	-
P	-	0.0350	-
Ni	0.4000	-	-
Mo	0.1500	-	-
Mn	0.3000	-	-
Cu	-	0.3000	-
Cr	0.4000	-	-
C	-	0.4500	-

Mechanical Properties of steel grade LR Type 430

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)
744 (≥)	357 (≥)	34	11	13	Solution and Aging, Annealing, Ausaging, Q+T,etc	234

Physical Properties of steel grade LR Type 430

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
44	-	-			0.31	-
123	197	-	11.3	111		-
598	-	22	24.2			444	212

Heat Treatment of steel grade LR Type 430

Heat treated : 1586°C - 1883°C

Technological Curves of steel grade LR Type 430

No Curve

Cross Reference Table (Equivalent Grade) of LR Type 430

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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