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M-252 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M-252

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UNS M-252

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This page is mainly introduced the M-252 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M-252,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Special Purpose Alloys ("Superalloys")

Steel Garde:M-252
Type:Stainless Steels
Country:USA
Standard:UNS
Standard Number:

ITEM Standard Number Descriptions

1 SAE J 467 (1968) Special Purpose Alloys ("Superalloys")
Metallographic Structure:Precipitation-Hardening
Application:Special Purpose Alloys ("Superalloys")

ITEM	Standard Number	Descriptions
1	SAE J 467 (1968)	Special Purpose Alloys ("Superalloys")

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C		0.15
Si		0.50
Mn		0.50
Ni		remaining
Cr		20.00
Al		1.00
Cu
Ti		2.60
Fe
Mo		10.00
Co		10.00
B		0.005

Mechanical Properties

Tensile strength	322～189	σb/MPa
Yield Strength	845	σ 0.2 ≥/MPa
Elongation	90	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	435～122	-
HRC	30	-

Physical Properties

Thermal expansion	72-57	e-6/K
Thermal conductivity	06-37	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1625-8867	째C
Density	6979-0640	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)
M-252 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