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Alloy ХН30ВМТ (ЭП437; ВЖ102)

Designation

Name The value
Designation GOST Cyrillic ХН30ВМТ
Designation GOST Latin XH30BMT
Transliteration HN30VMT
The chemical elements CrNi30ВCuTe
Name The value
Designation GOST Cyrillic ЭП437
Designation GOST Latin EP437
Transliteration EhP437
The chemical elements -
Name The value
Designation GOST Cyrillic ВЖ102
Designation GOST Latin BZh102
Transliteration VG102
The chemical elements ВFe102

Description

Alloy ХН30ВМТ used: for the manufacture of heavy-gauge hot-rolled steel; special parts and aeronautical equipment; welding wire.

Note

Heat-resistant iron-Nickel alloy.

Standards

Name Code Standards
Bulls. Blanks. Slabs В31 OST 1 90158-74, OST 1 90373-87, TU 14-1-1214-75
Welding and cutting of metals. Soldering, riveting В05 TU 14-1-1004-74
Sheets and stripes В33 TU 14-1-146-71, TU 14-1-5103-92
Metal forming. Forgings В03 TU 14-1-1530-75, TU 14-1-2902-80
Sectional and shaped rolling В32 TU 14-1-2212-77
Sheets and stripes В53 TU 14-1-2862-79

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu Al Ti Mo W Zr
TU 14-1-2902-80 ≤0.1 ≤0.015 ≤0.02 ≤0.6 14-16 ≤0.6 27-30 The rest - ≤0.5 1.9-2.4 3-4 4.5-6 ≤0.02
TU 14-1-146-71 ≤0.1 ≤0.015 ≤0.025 ≤0.6 14-16 ≤0.6 27-30 The rest ≤0.07 ≤0.5 1.8-2.3 3-4 4.5-6 ≤0.02
TU 14-1-5103-92 ≤0.1 ≤0.015 ≤0.025 ≤0.6 14-16 ≤0.6 27-30 The rest - ≤0.5 1.8-2.3 3-4 4.5-6 ≤0.02
Fe is the basis.
According to TU 14-1-2902-80 the chemical composition is given for ХН30МВТ and ХН30ВМТ-ВД.
According to TU 14-1-146-71 the chemical composition is given for ХН30МВТ (ЭП437).
According to TU 14-1-5103-92 the chemical composition is given for ХН30МВТ (ЭП437). Boron, cerium and zirconium are introduced into the metal by calculation and chemical analysis are not determined.

Mechanical characteristics

Section, mm sT|s0,2, MPa σB, MPa d5, % y, % kJ/m2, кДж/м2 Brinell hardness number, MPa
Ring welded at OST 1 90373-87. Heating to 1150-1170 °C, exposure for 2 hours, quenching in air + Ageing at 730-750 °C for 16 hours, air cooling
≥618 ≥930 ≥9 ≥12 ≥250 248-332
Steel hot-rolled sheet (6-11 mm). Quenching in water from 1080-1120 °C + Aging at 740-760 °C (delay of 12-16 h), air cooling
4-11 ≥640 ≥930 ≥7 - - -
Ring welded at OST 1 90373-87. Heating to 1150-1170 °C, exposure for 2 hours, quenching in air + Ageing at 730-750 °C for 16 hours, air cooling
≥568 ≥862 ≥6 ≥8 ≥180 -
Steel hot-rolled sheet (6-11 mm). Quenching in water from 1080-1120 °C + Aging at 740-760 °C (delay of 12-16 h), air cooling
4-11 - ≥690 ≥12 - - -
Sheet. Quenching in water, in air or under water shower with 1080-1120 °C
4-11 - 640-930 ≥30 - - -
Forgings. Heating to 1150-1170 °C, exposure for 2 hours, air cooling + Ageing at 730-750 °C for 16 hours, air cooling
≥620 ≥930 ≥9 ≥14 ≥190 248-331

Description mechanical marks

Name Description
Section Section
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σB Limit short-term strength
d5 Elongation after rupture
y The relative narrowing
kJ/m2 Toughness

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