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M3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M3

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AISI M3

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This page is mainly introduced the M3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M3

Steel Garde:M3
Type:Special Alloy
Country:USA
Standard:AISI
Application:Powder metallurgy high-speed tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SM3Cr2Mo		China
SM3Cr2Ni1Mo		China
SM3Cr17Mo		China
M3 Class1	ASTM	USA
M3 Class2	ASTM	USA
M30	ASTM	USA
M33	ASTM	USA
M34	ASTM	USA
M36	ASTM	USA
CPM Rex M3	AISI	USA
CPM Rex M35HCHS	AISI	USA
M35	AISI	USA
M30	JIS	Japan
BM34①		UK
BM34①		UK
BM35		UK
BM35		UK
08X17H5M3
03X16H15M3
03X16H15M3Б
09X16H15M3Б	ГОСТ	Russia
09X16H15M3Б	ГОСТ	Russia
10X17H13M3T	ГОСТ	Russia
08X17H15M3T	ГОСТ	Russia
45X22H4M3	ГОСТ	Russia
SUM31	CNS	China
SUM31L	CNS	China
SUM32	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	461～796	σb/MPa
Yield Strength	915	σ 0.2 ≥/MPa
Elongation	31	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	349～434	-
HRC	30	-

Physical Properties

Thermal expansion	63-05	e-6/K
Thermal conductivity	84-98	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2236-9564	째C
Density	5370-8667	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)
M3 Special Alloy	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