Steel R6M5F3-MP (ДИ99-MP)

Designation

Name The value
Designation GOST Cyrillic Р6М5Ф3-МП
Designation GOST Latin P6M5F3-MP
Transliteration R6M5F3-MP
By chemical elements -
Name The value
Designation GOST Cyrillic ДИ99-МП
Designation GOST Latin DI99-MP
Transliteration DI99-MP
By chemical elements CuИ99-MoP

Description

Steel R6M5F3-MP used: for the production of hot rolled and forged strips, hot rolled, forged and calibrated rods, rods with special surface finish produced by hot gas-static pressing (GGP) pulverized powder with subsequent deformation of the blanks; shaped cutters, drills, reamers, core drills, taps, broaches, milling cutters, dalbekov, shaver for treatment of low and medium alloy steels; tools for cold extruding and polygonacea alloy steels and alloys.

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 28393-89

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu N V Mo W O Co
GOST 28393-89 1.25-1.35 ≤0.03 ≤0.03 ≤0.5 3.8-4.3 ≤0.6 ≤0.4 Rest ≤0.25 0.02-0.06 3.1-3.7 5.5-6 5.7-6.7 ≤0.02 ≤0.5
Fe is the basis.

Technological properties

Name The value
Sanding behaviour 1,00-1,20 relative to steel of grade R6M5.
Wear resistance tool life 1,30-1,80 in comparison with steel R6M5F3 and 2.0 to 5.0 in comparison with steel KH12MF. Tensile strength in bending 3500-4400 Psi.