R30155

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#N-155 #HEVl #R30155

Description

USA AISI R30155 Specialsteel Steel for exhaust valves and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Specialsteel: R30155

Category	Class	Grade	Standard	Country	Application
Steel Grades	Specialsteel	R30155	AISI	USA	Steel for exhaust valves

Chemical composition(mass fraction)(wt.%) of the R30155

C	Si	Mn	P	S	Cr	Ni	Mo
0.10 - ≥	0.50 - ≥	1.50 - ≥	≤ ≥	≤ ≥	21.3 - ≥	20.0 - ≥	3.00 - ≥

Mechanical Properties of steel grade R30155

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)
292 (≥)	882 (≥)	14	13	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	212

Physical Properties of steel grade R30155

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
41	-	-			0.41	-
968	731	-	33.3	441		-
424	-	11	14.2			142	233

Heat Treatment of steel grade R30155

Heat treated : 1944°C - 1489°C

Technological Curves of steel grade R30155

No Curve

Cross Reference Table (Equivalent Grade) of R30155

Grade	Standard	Country	Application
SAE HEVl
SAE HEVl
R30155
R30155
UNS R30155
UNS R30155

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Rfq.: sales@longhaisteel.com

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