Alloy ХН60МВТЮ (ЭП487)

Designation

Name The value
Designation GOST Cyrillic ХН60МВТЮ
Designation GOST Latin XH60MBTJu
Transliteration HN60MVTYu
By chemical elements CrNi60CuВTeAl
Name The value
Designation GOST Cyrillic ЭП487
Designation GOST Latin EP487
Transliteration EhP487
By chemical elements -

Description

Alloy ХН60МВТЮ used: for the manufacture of blades and vanes, and fasteners, and gas turbine aircraft industry.

Note

High-temperature Nickel-based alloy. The recommended maximum operating temperature for a limited time, 750−800 °C. the Temperature of beginning of intensive scaling in air 1000−1050 °C.

Standards

Name Code Standards
Bars and shapes В22 GOST 1133-71, GOST 2590-2006
Blanks. Of the workpiece. Slabs В31 TU 14-1-1214-75
Bars В55 TU 14-1-1795-76

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al B Ti Mo W Ce
TU 14-1-1795-76 ≤0.08 ≤0.01 ≤0.015 ≤0.5 17-20 ≤0.5 Rest ≤4 1-1.5 ≤0.01 2.2-2.8 9-11 4-5 ≤0.01
Ni is the basis.
According to TU 14-1-1795-76 the chemical composition is given for steel grade KhN60MVTU-VD (EP487-VD).

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, % KCU, kJ/m2 HB, MPa
Bars hot rolled (15-55 mm), forged round (55-100 mm) and forged square (55-160 mm). Heating up to 1120-1140 °C (exposure of 2.5 h), quenching and air cooling + ageing at 840-860 °C (extract 3 hours), air cooling
687 981 12 12 343 255-363
589 785 12 12 343 -

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
y The relative narrowing
KCU Toughness
HB Brinell hardness number