AISI634 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI634

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AISI AISI634

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This page is mainly introduced the AISI634 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI634,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AISI634

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.10  0.15
Si   0.50
Mn 0.50  1.25
P   0.04
S   0.03
Cr 15.0  16.0
Ni 4.00  5.00
Mo 2.50  3.25
N 0.07  0.13

Mechanical Properties

Tensile strength 488~575 σb/MPa
Yield Strength 791 σ 0.2 ≥/MPa
Elongation 55 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 029~928 -
HRC 30 -

Physical Properties

Thermal expansion 83-18 e-6/K
Thermal conductivity 93-08 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2455-5351 째C
Density 9788-7820 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)
AISI634 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