Steel R18K5F2 (ЭИ940)

Designation

Name The value
Designation GOST Cyrillic Р18К5Ф2
Designation GOST Latin P18K5F2
Transliteration R18K5F2
By chemical elements -
Name The value
Designation GOST Cyrillic ЭИ940
Designation GOST Latin EI940
Transliteration EhI940
By chemical elements -

Description

Steel R18K5F2 used: for the production of roughing and poluchennoy of instruments used in the treatment of high strength, stainless and heat resistant steels and alloys.

Note

The steel has a reduced tendency to overheat during hardening.

Standards

Name Code Standards
Bars and shapes В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006
Sheets and strips В33 GOST 4405-75
Bars and shapes В32 GOST 7417-75, GOST 14955-77, GOST 19265-73

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Mo W Co
GOST 19265-73 0.85-0.95 ≤0.03 ≤0.03 0.2-0.5 3.8-4.4 0.2-0.5 ≤0.6 Rest ≤0.25 1.8-2.2 ≤1 17-18.5 4.7-5.2
Fe is the basis.

Technological properties

Name The value
Sanding behaviour good
Viscosity reduced
Wear resistance increased