Steel 08JU (08JUA; 08Ю2 (08Ю2А))

Designation

Name	The value
Designation GOST Cyrillic	08Ю
Designation GOST Latin	08Ju
Transliteration	08Yu
By chemical elements	08Al

Name	The value
Designation GOST Cyrillic	08ЮА
Designation GOST Latin	08JuA
Transliteration	08YuA
By chemical elements	08Al

Name	The value
Designation GOST Cyrillic	08Ю2 (08Ю2А)
Designation GOST Latin	08Ju2 (08Ju2A)
Transliteration	08Yu2 08Yu2A
By chemical elements	08Al2 (08Al2N)

Description

08JU steel is used: for the production of sheet metal 4−8 mm 4 category, designed for parts manufactured by cold stamping; electric-welded pipes for the manufacture of domestic and industrial tubular electric heaters (teh) and other machinery; wrapped soldered double-layer tubes for hydraulic system pipes combines, tractors, cars, refrigerators, etc.; cold strip 0,05−4,00 mm, designed for bending, punching parts, manufacture of pipes, cored wire, parts, bearings and other metal products.

Standards

Name	Code	Standards
Steel pipes and fittings to them	В62	GOST 10704-91, GOST 10705-80, GOST 10707-80, GOST 11249-80, TU 14-3-1542-87, TU 14-3-1728-90, TU 14-3-1528-87, TU 14-152-42-98, TU 14-162-81-92, TU 14-3-1034-81, TU 14-152-33-95, TU 14-152-19-93, TU 14-3Р-63-2002, TU 1373-022-05757850-08, TU 1373-013-02949352-2003
Sheets and strips	В33	GOST 1577-93, GOST 4041-71, GOST 9045-93, TU 14-106-328-89, TU 14-1-2202-77, TU 14-1-2473-78, TU 14-1-3335-82, TU 14-1-4516-88, TU 14-1-4969-91, TU 14-15-119-83
Tape	В34	GOST 503-81, TU 14-1-754-73, TU 14-4-151-82, TU 14-1-3035-80
Sheets and strips	В23	GOST 82-70, GOST 14918-80, GOST 19903-90, TU 14-105-380-87, TU 14-105-453-88, TU 14-106-669-2003, TU 14-1-4632-93
Bars and shapes	В22	GOST 8278-83, GOST 8281-80, GOST 8282-83, GOST 8283-93, GOST 9234-74, GOST 11474-76
Bars and shapes	В32	TU 14-1-4531-88
Tape	В24	TU 14-4-801-77

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	d₄	d₁₀	HB, MPa	HRB
Mechanical properties of heat-treated cold-rolled plates for cold forming according to GOST 9045-93 on delivery
≤0.7	≤185	250-350	-	≥38	-	-	-
0.7-1.5	≤185	250-350	-	≥40	-	-	-
1.5-2	≤185	250-350	-	≥42	-	-	≤46
≤0.7	≤175	250-320	-	≥40	-	-	-
0.7-1.5	≤175	250-320	-	≥42	-	-	-
1.5-2	≤175	250-320	-	≥44	-	-	≤43
≤0.7	≤195	250-350	-	≥34	-	-	-
0.7-1.5	≤195	250-350	-	≥36	-	-	-
1.5-2	≤195	250-350	-	≥40	-	-	≤46
2-3.9	≤195	250-350	-	≥42	-	-	-
≤0.7	≤205	250-380	-	≥32	-	-	-
0.7-1.5	≤205	250-380	-	≥34	-	-	-
1.5-2	≤205	250-380	-	≥38	-	-	≤48
2-3.9	≤205	250-380	-	≥40	-	-	-
Pipe wrapped double-layer solder. Listed marsvolta metal pipes
3-6	-	≥294	≥29	-	-	-	-
8-15	-	≥294	≥26	-	-	-	-
Electric-welded pipes for the manufacture of heating elements (DH=10-25mm.) Heat-treated in the delivery condition.
-	-	≥250	≥32	-	-	-	-
Sheet metal 4 categories of heat-treated (annealing, normalization, high tempering or normalizing + tempering) in the delivery state according to GOST 4041-71
4-8	≤265	≤360	≥36	-	≥32	≤118	≤67
Steel hot-rolled strip in the delivery condition
≤5	≤255	≥350	-	-	≥37	≤110	-
Longitudinal electric-welded pipes (Dy=100-530 mm) in the delivery condition. Listed marsvolta base metal
-	≥174	≥255	≥30	-	-	-	-
Pipe welded on the other holodnodeformirovannye 14-152-19-93
-	-	≥314	≥8	-	-	-	-
-	-	≥255	≥28	-	-	-	-
Pipe electric-welded, heat-treated (in cross-section shows the thickness of the wall)
≤10	≥170	≥290	≥27	-	-	-	-

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
d₄	Elongation after rupture
d₁₀	Elongation after rupture
HB	Brinell hardness number
HRB	Rockwell hardness (indenter steel, spherical)

Technological properties

Name	The value
Weldability	Welded without any restrictions. The welding methods of SMAW, ADS submerged arc and gas protection, the CCC and ARDS.
Склонность к отпускной хрупкости	Tend not.
The temperature of forging	Start - 1250 °C, the end - 850 °C.
Flock-sensitive sensitivity	not sensitive.
Pressure treatment	Steel has the ability to extract very particularly difficult (VOSV, VOSV-T), complex (OSV), complex. Be manufactured of rolled steel 08JU the ability to draw very deep (VG).