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Steel KH6VF (ЭИ808)

Designation

Name The value
Designation GOST Cyrillic Х6ВФ
Designation GOST Latin X6BF
Transliteration H6VF
The chemical elements Cr6WV
Name The value
Designation GOST Cyrillic ЭИ808
Designation GOST Latin EI808
Transliteration EhI808
The 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
Sectional and shaped rolling В22 GOST 1133-71, GOST 2590-2006, GOST 2591-2006
Tapes В34 GOST 2283-79, GOST 23522-79
Sheets and stripes В33 GOST 4405-75, TU 14-131-971-2001
Sectional and shaped rolling 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
Bulls. Blanks. 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 The rest ≤0.3 0.5-0.8 ≤0.03 ≤0.2 1.1-1.5
Fe is the basis.

Mechanical characteristics

σB, 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
σB Limit short-term strength
HRB Rockwell hardness (indenter steel, spherical)

Technological properties

Name The value
Weldability does not apply to welded structures.
Propensity to temper brittleness tend not
Forging temperature Start - 1100 °C, the end - 850 °C slow Cooling in the pits or thermostats.
Grindability when HRC 57-59 - satisfactory; HRC 59-61 - reduced; HRC 63-65 - low

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