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ЭИ835 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ЭИ835

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GOST ЭИ835

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This page is mainly introduced the ЭИ835 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ЭИ835,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Russia GOCT Standard vacuum smelting casting high temperature alloy bar

Steel Garde:ЭИ835
Type:Stainless Steels
Country:Russia
Standard:GOST
Metallographic Structure:Austenite
Application:Russia GOCT Standard vacuum smelting casting high temperature alloy bar

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
12X25H16Γ7AP(ЭИ835)	GOST	Russia

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.12
Si		1.00
Mn	5.00	7.00
P		0.035
S		0.020
Cr	23.00	26.00
Mo
Ni	15.00	18.00
N	0.30	0.45
B		0.010

Mechanical Properties

Tensile strength	725～430	σb/MPa
Yield Strength	220	σ 0.2 ≥/MPa
Elongation	90	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	648～326	-
HRC	30	-

Physical Properties

Thermal expansion	79-38	e-6/K
Thermal conductivity	59-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4200-4255	째C
Density	7120-8612	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)
ЭИ835 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