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Marage 250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Marage 250

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ASTM Marage 250

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This page is mainly introduced the Marage 250 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Marage 250,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel, Maraging, Welding Wire 18Ni - 8.0Co - 4.9Mo - 0.40Ti - 0.10Al Vacuum Induction Melted, Environment Controlled Packaging

Steel Garde:Marage 250
Type:Stainless Steels
Country:USA
Standard:ASTM

Standard Number:

ITEM	Standard Number	Descriptions
1	SAE AMS 6501D (2007)	Steel, Maraging, Welding Wire 18Ni - 8.0Co - 4.9Mo - 0.40Ti - 0.10Al Vacuum Induction Melted, Environment Controlled Packaging

Metallographic Structure:Precipitation-Hardening
Application:Steel, Maraging, Welding Wire 18Ni - 8.0Co - 4.9Mo - 0.40Ti - 0.10Al Vacuum Induction Melted, Environment Controlled Packaging

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
A 646 Grade Marage 250	SAE	USA
Marage 250	ASTM	USA
Marage 250	ASTM	USA
Marage 250	UNS	USA
Marage 250	UNS	USA
Marage 250	UNS	USA
Marage 300	ASTM	USA
Marage 300	ASTM	USA
Marage 300	UNS	USA
Marage 300	UNS	USA
Marage 300	UNS	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.03
Si		0.10
Mn		0.10
Ni		18.00
Cr
Al		0.10
Cu
Ti		0.40
Fe
Mo		5.00
Co		8.00

Mechanical Properties

Tensile strength	474～094	σb/MPa
Yield Strength	679	σ 0.2 ≥/MPa
Elongation	86	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	288～786	-
HRC	30	-

Physical Properties

Thermal expansion	52-00	e-6/K
Thermal conductivity	31-41	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9242-7438	째C
Density	8795-1782	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
Marage 250 Stainless Steels	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk