Alloy ХН50ВМТЮБ used: for the production of cold rolled sheets; pipes and tubes by hot forming; the production of highly loaded parts, fittings, flanges, sheet hire for a limited term service at temperatures up to +950 °C; the manufacture of aeronautical engineering parts (discs, gas turbine blades).

Note

High-temperature Nickel-based alloy.

Standards

Name	Code	Standards
Bars and shapes	В32	GOST 22411-77, TU 14-1-4103-86, TU 14-1-3046-80, TU 14-1-3046
Blanks. Of the workpiece. Slabs	В31	OST 1 90303-81, OST 1 90424-92, TU 14-1-1213-75, TU 1-809-823-99
Sheets and strips	В33	TU 14-1-1052-74, TU 14-1-1072-74
Tape	В54	TU 14-1-1423-75
Processing of metals by pressure. Forgings	В03	TU 14-1-1530-75
Steel pipes and fittings to them	В62	TU 14-3-837-79, TU У 14-8-37-2001

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Al	B	Ti	Mo	Nb	W	Ce
TU 14-1-1072-74	≤0.1	≤0.01	≤0.015	≤0.5	32-35	≤0.4	Rest	≤4	0.5-1.1	≤0.008	0.5-1.1	2.3-3.3	0.5-1.1	4.3-5.3	≤0.03

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	d₄	y, %	KCU, kJ/m²
Tape supplied on the other 14-1-1423-75. Annealing in air 1130-1150 °C
0.15-0.8	-	≥1030	-	≥25	-	-
Hot-rolled steel sheets in the delivery condition on the other 14-1-1072-74. Heating up to 1130-1150 °C (aging for 1 h) + Quenching in air or in water
	-	≥1030	≥30	-	-	-
Cold-rolled steel sheets in the delivery condition on the other 14-1-3046-80
	-	≤1030	≥35	-	-	-
Cold-rolled steel sheets according to TU 14-1-3046-80. Heating up to 1130-1150 °C (aging for 1 h), air cooling + Ageing at 900 °C (aging 16 h), air cooling
	-	≥760	≥17	-	-	-
Bars hot rolled and forged on the other 14-1-3046-80. Heating up to 1130-1150 °C (aging for 1 h), air cooling + Ageing at 880-920 °C (aging 16 h), air cooling
	≥340	≥780	≥25	-	-	≥340
	-	≥340	≥13	-	≥18	-
Tubular billet on the other 14-1-4103-86. The longitudinal samples. Annealing in air 1130-1150 °C (exposure for 1 hour)
20-25	≥265	≥640	≥40	-	-	-

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
d₄	Elongation after rupture
y	The relative narrowing
KCU	Toughness

Technological properties

Name	The value
Macrostructure and pollution	In the macrostructure of the billet is not allowed traces of shrinkage, podnasadochnogo looseness, delamination, subcortical bubbles, cracks, dark or light brown, non-metallic foreign microflute and foreign metal inclusions that are visible without using the magnifying devices. Alloy macrostructure for Central porosity, point heterogeneity, I segregated the square should not exceed 1 point for each type.

Alloy ХН50ВМТЮБ (ЭП648)

Designation

Description