Alloy ХН85МЮ (ЭП797)

Designation

Name The value
Designation GOST Cyrillic ХН85МЮ
Designation GOST Latin XH85MJu
Transliteration HN85MYu
By chemical elements CrNi85CuAl
Name The value
Designation GOST Cyrillic ЭП797
Designation GOST Latin EP797
Transliteration EhP797
By chemical elements -

Description

Alloy ХН85МЮ used: for the manufacture of welding wire, welded parts and assemblies working in radioactive environments, connections of details from alloy grade 46ХНМ (ЭП630) with details of korrozionnostojkih steel type 12X18H10T, 10X17H13M2T.

Standards

Name Code Standards
Welding and cutting metals. Soldering, riveting В05 OST 95 10441-2002, TU 14-1-4963-91
Sheets and strips В33 TU 14-1-3367-82, TU 14-1-3578-83

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al Mo
TU 14-1-3367-82 ≤0.03 ≤0.015 ≤0.015 ≤0.5 6-8 ≤0.15 Rest ≤1.5 1-1.5 3.5-4
Ni is the basis.
According to TU 14-1-3367-82, the chemical composition is presented for an alloy of the brand KhN85MYU-VI (EP797-VI).

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, %
Sheets hot rolled as supplied on the other 14-1-3367-82. Annealing under a water shower with 1070-1090 °C, duration of heating for hardening: 3-5 minutes per 1 mm thickness
≥196 ≥539 ≥40

Description mechanical marks

Name Description
sT|s0,2 Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σU Limit short-term strength
d5 Elongation after rupture

Technological properties

Name The value
Weldability Manual argon arc welding with non-consumable electrode (filler or without filler metal), use of combined methods of welding.