Steel KH6VF (ЭИ808)

Designation

Name The value
Designation GOST Cyrillic Х6ВФ
Designation GOST Latin X6BF
Transliteration H6VF
By chemical elements Cr6WV
Name The value
Designation GOST Cyrillic ЭИ808
Designation GOST Latin EI808
Transliteration EhI808
By chemical elements -

Description

KH6VF steel is used: for the manufacture of resinating tools (dies and rollers); Hach saws, razors, matrices, punches, subanalytic and other tools, designed for cold deformation; wood cutting and milling tools; springs and measuring tapes.

Standards

Name Code Standards
Bars and shapes В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006
Tape В34 GOST 2283-79, GOST 23522-79
Sheets and strips В33 GOST 4405-75, TU 14-131-971-2001
Bars and shapes В32 GOST 5950-2000, GOST 7417-75, GOST 8559-75, GOST 8560-78, GOST 14955-77, TU 14-11-245-88, TU 14-1-1271-75
Blanks. Of the workpiece. Slabs В31 OST 24.952.01-89

Chemical composition

Standard C S P Mn Cr Si Ni Fe Cu V Ti Mo W
GOST 5950-2000 1.05-1.15 ≤0.03 ≤0.03 0.15-0.45 5.5-6.5 0.1-0.4 ≤0.4 Rest ≤0.3 0.5-0.8 ≤0.03 ≤0.2 1.1-1.5
Fe is the basis.

Mechanical properties

σU, MPa HRB
Cold-rolled steel strip for Hach saws 0.65 mm in the delivery state according to GOST 23522-79
≤880 100
Cold-rolled steel strip otoshiana common quality of 0.1-4.0 mm according to GOST 2283-79 on delivery
≤880 -

Description mechanical marks

Name Description
σU Limit short-term strength
HRB Rockwell hardness (indenter steel, spherical)

Technological properties

Name The value
Weldability does not apply to welded structures.
Склонность к отпускной хрупкости tend not
The temperature of forging Start - 1100 °C, the end - 850 °C slow Cooling in the pits or thermostats.
Sanding behaviour when HRC 57-59 - satisfactory; HRC 59-61 - reduced; HRC 63-65 - low