Marage 250

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#Marage #250

Description

Marage 250 High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: Marage 250

Category	Type	Steel Grade
Steel Grades	High Alloy	Marage 250
		Lapelloy C
		LowExpansion 43-PH
		M-22
		M-152
		M-252
		M-308
		M-813
		MA 956
		Magne Dur 20-4
		Marage 200

Chemical composition(mass fraction)(wt.%) of the Marage 250

C ≤	Si ≤	Mn ≤	P ≤	S ≤	Zr	Ni
0.03	0.1	0.1			...	18
Mo	Al	Cu	Nb	Ti	V	Ca
5	0.1			0.4		...
N	Co	Pb	B	Other
	7.75		...

Mechanical Properties of steel grade Marage 250

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)
398 (≥)	542 (≥)	24	34	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	222

Physical Properties of steel grade Marage 250

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
33	-	-			0.11	-
136	471	-	32.3	223		-
216	-	21	22.2			313	112

Heat Treatment of steel grade Marage 250

Heat treated : 1417°C - 1763°C

Technological Curves of steel grade Marage 250

No Curve

Cross Reference Table (Equivalent Grade) of Marage 250

Grade	Standard	Country	Application
Stellite 250			Stellite alloy
UNS J02500	UNS	USA
UNS J02500	UNS	USA
ASTM Grade 485-250(70-35)	ASTM	USA
UNS J02501	UNS	USA
UNS J92500		China
UNS J92500	AISI	USA
UNS J02502	AISI	USA
UNS J02503	AISI	USA
UNS J02504	AISI	USA
UNS J02505	AISI	USA
UNS J22500	AISI	USA
UNS J02503	AISI	USA
UNS J22501	AISI	USA
2CuMoCrNi250			Stainless steel
2NbNiCr250			Stainless steel
15SNC250			Stainless steel
40SiNiCr250			Stainless steel
T25NiCr250			Cast Steel
250			Australia Structural steel

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