20YUA

Production of sheet metal thickness from 4 to 14 mm, intended for cold forming

Classification

Country Section Category
CIS, Russia, Ukraine Structural steel Carbonaceous quality structural steel

Chemical composition

Standard Si, % Mn, % Cr, % Cu, % Ni, % Al, % P, % C, % S, %
GOST 4041-71 < 0.07 0.25–0.45 < 0.1 < 0.2 < 0.15 0.02–0.08 < 0.02 0.16–0.22 < 0.025

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ d5, % Treatment
Sheet termoobrabotki. GOST 4041-71 4–14 340–490 28

Brinell hardness number

Rolling Standard Classifiers Value, HBW
Sheet termoobrabotki. GOST 4041-71 127

Standards

Standard Description
GOST 4041-71

Description of chemical elements

Element Units of measurement Description
Si % Silicon
Mn % Manganese
Cr % Chrome
Cu % Copper
Ni % Nickel
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur

Description of mechanical properties

Parameter Units of measurement Description
d5 % Elongation at break
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength