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.