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

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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

Steel Garde:07X21Γ7AH5
Type:Stainless Steels
Country:Russia
Standard:GOST
Metallographic Structure:Austenite
Application:Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
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	353～528	σb/MPa
Yield Strength	570	σ 0.2 ≥/MPa
Elongation	81	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	442～371	-
HRC	30	-

Physical Properties

Thermal expansion	72-85	e-6/K
Thermal conductivity	69-19	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5916-9504	째C
Density	4505-3515	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