07ГБЮ steel is used: for the production of hot rolled etched strip used for the manufacture of parts of automotive industry (wheel, axle casings, connectors wishbone rear suspension, etc.) by cold-forming.

Standards

Name	Code	Standards
Sheets and strips	В23	TU 14-1-5262-94

Chemical composition

Standard	C	S	P	Mn	Si	Fe	N	Al	Ti	Nb
TU 14-1-5262-94	≤0.11	≤0.015	≤0.02	≤0.8	≤0.3	Rest	≤0.01	0.02-0.05	≤0.025	0.015-0.045

Fe is the basis.
According to TU 14-1-5262-94, the mass fraction of residual chromium, nickel and copper in steel is no more than 0.30% of each. A technological addition of calcium is introduced into the steel to obtain 0.0020-0.0070%. Permissible deviations in chemical composition in finished rolled products in accordance with GOST 19821, by mass fraction of aluminum + 0.010%. Deviation by mass fraction of manganese is allowed provided that the required mechanical properties are ensured.

Mechanical properties

Section, mm	s_T\|s_0,2, MPa	σ_U, MPa	d₅, %	HRB
Tape hot-rolled etched in the delivery condition on the other 14-1-5262-94
	≥360	≥480	≥34	≤80

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
HRB	Rockwell hardness (indenter steel, spherical)

Technological properties

Name	The value
Particularities of production of goods	Tape on the other 14-1-5262-94 in the delivery condition must pass the test at normal temperature bending by 180° on a mandrel with a diameter of 0.5 of the thickness of the sheet. May reduce σВ 5 N/mm2, while ensuring the rest of the indicators. Δ5 may be reduced by 2%, while ensuring the rest of the indicators.

Steel 07ГБЮ

Designation

Description

Standards

Chemical composition

Mechanical properties

Description mechanical marks

Technological properties

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