Steel 6KHVG

Designation

Name	The value
Designation GOST Cyrillic	6ХВГ
Designation GOST Latin	6XBG
Transliteration	6HVG
By chemical elements	6CrWMn

Description

6KHVG steel is used: for the manufacture of punches complex shapes in cold firmware mainly shaped holes in the sheet and strip material; small dies for hot stamping, mainly when you want minimal size change 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, 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
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	0.55-0.7	≤0.03	≤0.03	0.9-1.2	0.5-0.8	0.1-0.4	≤0.4	Rest	≤0.3	≤0.15	≤0.03	≤0.2	0.5-0.8

Fe is the basis.

Mechanical properties

Section, mm	t отпуска, °C	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	y, %	KCU, kJ/m²	HRC
Rolled steel. Quenching in oil from 870 °C to + Vacation at 450 °C (exposure 2 hours)
	-	≥1450	≥1570	≥10	≥38	≥460	-
Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h)
-	200	≥1820	≥1852	≥2	≥3	≥26	≥56
Long products (samples). Quenching in oil from 870 °C to + Vacation at 450 °C (aging for 2 hours)
-	-	≥1240	≥1460	≥10	≥40	≥51	-
Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h)
-	300	≥1700	≥2009	≥1	≥5	≥14	≥55
Long products (samples). Quenching in oil from 870 °C to + Vacation at 450 °C (aging for 2 hours)
-	-	≥1180	≥1440	≥14	≥49	≥46	-
Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h)
-	400	≥1470	≥1690	≥7	≥26	≥20	≥51
Long products (samples). Quenching in oil from 870 °C to + Vacation at 450 °C (aging for 2 hours)
-	-	≥1100	≥1390	≥11	≥55	≥41	-
Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h)
-	450	≥1450	≥1570	≥10	≥38	≥46	≥46
Long products (samples). Quenching in oil from 870 °C to + Vacation at 450 °C (aging for 2 hours)
-	-	≥810	≥880	≥15	≥72	≥44	-
Long products (samples). Quenching in oil from 870 °C to + Leave (the shutter speed when the vacation 2 h)
-	500	≥1270	≥1390	≥10	≥30	≥30	≥40
-	550	≥1180	≥1270	≥11	≥20	≥40	≥34

Description mechanical marks

Name	Description
s_T\|s_0,2	Yield strength or limit of proportionality with a tolerance for residual deformation of 0.2%
σ_U	Limit short-term strength
d₅	Elongation after rupture
y	The relative narrowing
KCU	Toughness
HRC	Rockwell hardness (indenter diamond spheroconical)

Technological properties

Name	The value
The temperature of forging	Start - 1160 °C, the end - 850 °C slow Cooling in the wells.