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MAR-M 246 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of MAR-M 246

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GB MAR-M 246

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This page is mainly introduced the MAR-M 246 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of MAR-M 246,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
cast superalloy of MAR-M 246

Steel Garde:MAR-M 246
Type:Superalloys
Country:China
Standard:GB
Application:cast superalloy

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C	0.13	0.17
Si		0.20
Mn		0.20
S		0.015
Cr	8.00	10.00
Ni		Bal
Mo	2.25	2.75
Co	9.00	11.00
W	9.00	11.00
Al	5.25	5.75
Cu		0.10
Ti	1.25	1.75
Fe		1.00
Ta	1.25	1.75
Zr	0.03	0.08
B	0.010	0.020

Mechanical Properties

Tensile strength	617～369	σb/MPa
Yield Strength	387	σ 0.2 ≥/MPa
Elongation	35	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	486～938	-
HRC	30	-

Physical Properties

Thermal expansion	65-14	e-6/K
Thermal conductivity	67-51	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1805-6382	째C
Density	1163-9157	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)
MAR-M 246 Superalloys	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