in Dnipro

Mülheim an der Ruhr
Dnieper
Kiev

Steel 20JUA

Designation

Name	The value
Designation GOST Cyrillic	20ЮА
Designation GOST Latin	20JuA
Transliteration	20YuA
By chemical elements	20Al

Description

20JUA steel is used: for the production of sheet metal 2 mm 4−14 category, intended for the manufacture of various parts by cold forming.

Standards

Name	Code	Standards
Sheets and strips	В23	GOST 19903-90, TU 14-1-4632-93
Sheets and strips	В33	GOST 4041-71, TU 14-106-328-89

Chemical composition

Standard	C	S	P	Mn	Cr	Si	Ni	Fe	Cu	N	As	Al
GOST 4041-71	0.16-0.22	≤0.025	≤0.02	0.25-0.45	≤0.1	≤0.07	≤0.15	Rest	≤0.2	≤0.006	≤0.08	0.02-0.08

Fe is the basis.

Mechanical properties

Section, mm	σ_U, MPa	d₅, %	d₁₀	HB, MPa	HRB
Sheet metal class 2 heat treated (annealing, normalization, high tempering or normalizing + tempering) in the delivery state according to GOST 4041-71
4-14	340-490	≥28	≥24	≤127	≤71

Description mechanical marks

Name	Description
σ_U	Limit short-term strength
d₅	Elongation after rupture
d₁₀	Elongation after rupture
HB	Brinell hardness number
HRB	Rockwell hardness (indenter steel, spherical)