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HNV4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HNV4

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UNS HNV4

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This page is mainly introduced the HNV4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HNV4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel for intake valves

Steel Garde:HNV4
Type:Stainless Steels
Country:USA
Standard:UNS
Application:Steel for intake valves

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
X40CrSiMo10-2	AFNOR	France
1.4731	AFNOR	France

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C	0.45
Si	3.30
Mn	0.40
P
S
Cr	7.00
Ni	1.00

Mechanical Properties

Tensile strength	396～273	σb/MPa
Yield Strength	676	σ 0.2 ≥/MPa
Elongation	72	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	395～204	-
HRC	30	-

Physical Properties

Thermal expansion	25-01	e-6/K
Thermal conductivity	01-91	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3876-8148	째C
Density	3778-9492	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)
HNV4 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