07X21Γ7AH5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 07X21Γ7AH5

GOST 07X21Γ7AH5

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This page is mainly introduced the 07X21Γ7AH5 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 07X21Γ7AH5,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.07
Si   0.70
Mn 6.00  7.50
P   0.030
S   0.030
Cr 19.50  21.00
Ni 5.00  6.00
Mo   0.30
W   0.20
Ti   0.20
N 0.15  0.25

Mechanical Properties

Tensile strength 627~962 σb/MPa
Yield Strength 612 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 576~017 -
HRC 30 -

Physical Properties

Thermal expansion 16-42 e-6/K
Thermal conductivity 90-27 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5555-1417 째C
Density 5083-4980 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)
07X21Γ7AH5 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

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