Steel 08KH17N34V5T3JU2RL

Designation

Name The value
Designation GOST Cyrillic 08Х17Н34В5Т3Ю2РЛ
Designation GOST Latin 08X17H34B5T3Ju2PL
Transliteration 08H17N34V5T3Yu2RL
By chemical elements 08Cr17Н34W5Ti3Al2B

Description

08KH17N34V5T3JU2RL steel is used: for the manufacture of castings in nozzle and rotor blades of gas turbines; solid rotors and other parts operating at temperatures up to +800 °C.

Note

Steel heat-resistant (up to +1000 °C) austenitic.

Standards

Name Code Standards
Steel castings В82 GOST 977-88

Chemical composition

Standard C S P Mn Cr Si Ni Fe Al B Ti W Ce
GOST 977-88 ≤0.08 ≤0.01 ≤0.01 0.3-0.6 15-18 0.2-0.5 32-35 Rest 1.7-2.1 ≤0.05 2.6-3.2 4.5-5.5 ≤0.01
Fe is the basis.
According to GOST 977-88, the content and necessity of control of boron and cerium is established in the design documentation (CD).

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa d5, % y, %
Castings according to GOST 977-88. Hardening in air, 1140-1160 °C + Aging at 740-760 °C (endurance 32 hours), air cooling
100 ≥687 ≥785 ≥3 ≥3

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