Steel 4KH5V2FS (ЭИ958)

Designation

Name The value
Designation GOST Cyrillic 4Х5В2ФС
Designation GOST Latin 4X5B2FC
Transliteration 4H5V2FS
By chemical elements 4Cr5W2VС
Name The value
Designation GOST Cyrillic ЭИ958
Designation GOST Latin EI958
Transliteration EhI958
By chemical elements -

Description

4KH5V2FS steel is used: for the manufacture of molds die casting zinc, aluminium and magnesium alloys; hammer and pressing the inserts (thickness or diameter from 200 to 250 mm) during hot deformation of structural steels; tool for planting billets of alloyed structural and heat-resistant materials on horizontal forging machines.

Standards

Name Code Standards
Sheets and strips В33 GOST 4405-75
Bars and shapes В32 GOST 5950-2000, GOST 14955-77
Processing of metals by pressure. Forgings В03 TU 14-1-1530-75

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
GOST 5950-2000 0.35-0.45 ≤0.03 ≤0.03 0.15-0.45 4.5-5.5 0.8-1.2 ≤0.4 Rest ≤0.3 0.6-0.9 ≤0.03 ≤0.2 1.6-2.2
Fe is the basis.

Mechanical properties

Section, mm sT|s0,2, MPa σU, MPa KCU, kJ/m2
Rolled steel. Quenching in oil with 1030-1050 °C + Vacation at 560-580 °C (aging for 1 hour) + Holiday at 530-540 °C (aging 1 HR)
10 ≥1690 ≥1760 ≥294

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
KCU Toughness