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Martensite 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Martensite 4

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CNS Martensite 4

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This page is mainly introduced the Martensite 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Martensite 4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard heat resistant steel bars(CNS 9608-1998)

Steel Garde:Martensite 4
Type:Special Alloy
Country:China
Standard:CNS
Application:CNS standard heat resistant steel bars(CNS 9608-1998)

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	332～012	σb/MPa
Yield Strength	323	σ 0.2 ≥/MPa
Elongation	11	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	284～345	-
HRC	30	-

Physical Properties

Thermal expansion	98-19	e-6/K
Thermal conductivity	99-78	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4084-3131	째C
Density	3526-7396	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)
Martensite 4 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