HNV3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HNV3

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UNS HNV3

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This page is mainly introduced the HNV3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of HNV3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel for intake valves

Cross Reference Table(Equivalent Materials):

Material Standard Country
S65007 AISI USA
EV5 UNS USA
S63014 AISI USA
EV6 UNS USA
S63015 AISI USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.40  0.50
Si 2.75  3.75
Mn   0.80
P   0.040
S   0.03
Cr 7.50  9.50
Ni   0.50

Mechanical Properties

Tensile strength 727~813 σb/MPa
Yield Strength 832 σ 0.2 ≥/MPa
Elongation 62 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 517~013 -
HRC 30 -

Physical Properties

Thermal expansion 60-74 e-6/K
Thermal conductivity 04-05 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8290-9021 째C
Density 4418-5634 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)
HNV3 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

Technical specification/standard for download