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CPM Rex M4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CPM Rex M4

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AISI CPM Rex M4

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This page is mainly introduced the CPM Rex M4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CPM Rex M4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CPM Rex M4

Steel Garde:CPM Rex M4
Type:Special Alloy
Country:USA
Standard:AISI
Application:Powder metallurgy high-speed tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
CPM H13	AISI	USA
CPM H19	AISI	USA
CPM H19V	AISI	USA
CPM 9V	AISI	USA
CPM 10V	AISI	USA
CPM 440V	AISI	USA
CPM Rex M2HCHS	AISI	USA
CPM Rex M3	AISI	USA
CPM Rex M4HS	AISI	USA
CPM Rex M35HCHS	AISI	USA
CPM Rex M42	AISI	USA
CPM Rex 45	AISI	USA
CPM Rex 45HS	AISI	USA
CPM Rex 20	AISI	USA
CPM Rex 25	AISI	USA
CPM Rex T15	AISI	USA
CPM Rex T15HS	AISI	USA
CPM Rex 76	AISI	USA
CPM Rex 76HS	AISI	USA
SM45		China
SM50		China
SM4Cr5MoSiV		China
SM4Cr5MoSiV1		China
SM4Cr13		China
SM45A		China
SM48		China
M4	ASTM	USA
M41	ASTM	USA
M42	ASTM	USA
M43	ASTM	USA
M44	ASTM	USA
M46	ASTM	USA
M47	ASTM	USA
M48	ASTM	USA
M40	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	812～565	σb/MPa
Yield Strength	115	σ 0.2 ≥/MPa
Elongation	32	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	292～154	-
HRC	30	-

Physical Properties

Thermal expansion	11-53	e-6/K
Thermal conductivity	13-48	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1940-4970	째C
Density	9188-4701	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)
CPM Rex M4 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