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H70MΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H70MΦ

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GOST H70MΦ

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This page is mainly introduced the H70MΦ chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H70MΦ,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Steel Garde:H70MΦ
Type:Stainless Steels
Country:Russia
Standard:GOST
Application:Russia GOCT standard deformation of high temperature alloy grades and chemical composition

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
H70MΦB	GOST	Russia

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.05
Si		0.20
Mn		0.50
P		0.020
S		0.020
Cr		0.30
Ni		remaining
Mo	25.00	29.00
Al
Ti		0.15
Fe		0.80
V	1.40	1.70

Mechanical Properties

Tensile strength	426～693	σb/MPa
Yield Strength	384	σ 0.2 ≥/MPa
Elongation	62	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	495～416	-
HRC	30	-

Physical Properties

Thermal expansion	43-34	e-6/K
Thermal conductivity	50-80	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8665-7114	째C
Density	5725-0868	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)
H70MΦ 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