ХН65ВМТЮ ЭИ893 KhN65VMTYu - GOST 23705-1979 - H2ABC

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Grade	ХН65ВМТЮ
Other Names
Old Grade
Corresponding Standard	GOST 23705-1979 Hot-Rolled and Forged High-Temperature Alloy Bar
Classification	Special Alloy Steel

ХН65ВМТЮ Chemical Element Composition Content (%)

Component	Fe	C	Si	Mn	P	S	Cr	Ni	Mo	Ti	W	B	Al	Ce
Minimum Value	-	-	-	-	-	-	15	60.968	3.5	1.2	8.5	-	1.2	-
Maximum Value	3	0.07	0.6	0.6	0.015	0.012	17	70.6	4.5	1.6	10	0.01	1.6	0.025

ХН65ВМТЮ Mechanical Properties

condition	Test Temperature	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
Alloy		Hardening at 1170 ± 10°C for 2 hrs, air cooling, ageing at 770 ±20°C for 12 hrs, air cooling or Hardening at 1170 ±10°C for 2 hrs, air cooling, step ageing at 1000 ±10°C for 4 hrs,furnace cooling to 900 ±10°C for 8 hrs, furnace cooling to 85	≥830	≥490	≥20	≥25	KCU:≥58.8J/cm2

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