H70MΦB

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#H70MΦB

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Russia ГОСТ H70MΦB Russia COST standard deformation of high temperature alloy and H70MΦB Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: H70MΦB

Category	Type	Steel Grade	Standard	Country	Application
Steel Grades	Special Alloy	H70MΦB	ГОСТ	Russia	Russia COST standard deformation of high temperature alloy
		XH70BMTЮ
		XH70BMTЮΦ
		XH75MБTЮ
		XH75BMЮ
		XH77TЮP
		XH77TЮPy
		XH78T
		XH80TБЮ
		H50K10
		H70MΦ

Chemical composition(mass fraction)(wt.%) of the H70MΦB

C(％)	Si(％)	Mn(％)	Cr(％)	Ni(％)	Mo(％)	V(%)	W(%)	Ti(%)	Fe(%)
Max 0.02	Max 0.10	Max 0.50	Max 0.30	Balance	25.0-27.0	1.40-1.70	0.10-0.45	Max 0.15	Max 0.08

Mechanical Properties of steel grade H70MΦB

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
517 (≥)	678 (≥)	43	22	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	233

Physical Properties of steel grade H70MΦB

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
12	-	-			0.13	-
617	526	-	21.3	112		-
635	-	23	12.2			243	224

Heat Treatment of steel grade H70MΦB

Heat treated : 1372°C - 1511°C

Technological Curves of steel grade H70MΦB

No Curve

Cross Reference Table (Equivalent Grade) of H70MΦB

Grade	Standard	Country	Application
H70MΦB	ГОСТ	Russia	Russia COST standard deformation of high temperature alloy

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