H41400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H41400

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AISI H41400

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This page is mainly introduced the H41400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H41400,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
NV7(4140) UNS USA
HNV7(71360) UNS USA
A 276 S41400 SAE USA
A 314 S41400 SAE USA
A 473 S41400 SAE USA
A 580 S41400 SAE USA
S41400 AISI USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.37  0.44
Si 0.15  0.35
Mn 0.65  1.10
P   0.035
S   0.04
Cr 0.75  1.20
Mo 0.15  0.25

Mechanical Properties

Tensile strength 084~375 σb/MPa
Yield Strength 783 σ 0.2 ≥/MPa
Elongation 29 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 587~146 -
HRC 30 -

Physical Properties

Thermal expansion 48-84 e-6/K
Thermal conductivity 13-49 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7525-8949 째C
Density 4037-7512 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)
H41400 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