1.0303 (C4C)

Classification

Country Section Category
Germany Non-alloy Steels Steels with Average C < 0,12% or Rm < 400 MPa

Chemical composition

Standard Fe, % Si, % Mn, % Al, % P, % C, % S, %
EN 10263-2 99.335–99.71 < 0.1 0.25–0.4 0.02–0.06 < 0.02 0.02–0.06 < 0.025

Information on suppliers

Mechanical properties at 20 °C

Rolling Standard Size, mm Tension Classifiers $$\sigma _{U}$$, $$MPa$$ $$\psi$$, % Treatment
300–470 70–77

Properties

Property
According to EN 10263-2 +U or +U+PE tensile strength: < 390 MPa
According to EN 10263-2 +U or +U+PE Relative contraction: > 70 %
According to EN 10263-2 +or AC +AC+PE tensile strength: < 330 MPa
According to EN 10263-2 +or AC +AC+PE Relative contraction: > 75 %
According to EN 10263-2 +U+C Diameter: 5 - 10mm ; tensile strength: < 470 MPa
According to EN 10263-2 +U+C Diameter: 5 - 10mm ; Relative narrowing: > 66 %
According to EN 10263-2 +U+C Diameter: 10 - 40 mm ; yield strength: < 460 MPa
According to EN 10263-2 +U+C Diameter: 10 - 40 mm ; the Relative narrowing: > 66 %
According to EN 10263-2 +U+C+AC Diameter: 2 - 5mm ; tensile strength: < 320 MPa
According to EN 10263-2 +U+C+AC Diameter: 2 - 5mm ; the Relative narrowing: > 77 %
According to EN 10263-2 +U+C+AC Diameter: 5 - 10mm ; tensile strength: < 310 MPa
According to EN 10263-2 +U+C+AC Diameter: 5 - 10mm ; Relative narrowing: > 77 %
According to EN 10263-2 +U+C+AC Diameter: 10 - 40 mm ; yield strength: < 300 MPa
According to EN 10263-2 +U+C+AC Diameter: 10 - 40 mm ; the Relative narrowing: > 77 %
According to EN 10263-2 +U+C+AC+LC Diameter: 2 - 5mm ; tensile strength: < 360 MPa
According to EN 10263-2 +U+C+AC+LC Diameter: 2 - 5mm ; the Relative narrowing: > 73 %
According to EN 10263-2 +U+C+AC+LC Diameter: 5 - 40 mm ; yield strength: < 350 MPa
According to EN 10263-2 +U+C+AC+LC Diameter: 5 - 40 mm ; the Relative narrowing: > 73 %
According to EN 10263-2 +AC+C Diameter: 5 - 10mm ; tensile strength: < 410 MPa
According to EN 10263-2 +AC+C Diameter: 5 - 10mm ; Relative narrowing: > 70 %
According to EN 10263-2 +AC+C Diameter: 10 - 40 mm ; yield strength: < 400 MPa
According to EN 10263-2 +AC+C Diameter: 10 - 40 mm ; the Relative narrowing: > 70 %
Density: 7.86 g / cm3

Analogues

Germany CIS, Russia, Ukraine USA
QSt 32-3 SAE 1006 SAE 1006

Standards

Description of chemical elements

Element Units of measurement Description
Fe % Iron
Si % Silicon
Mn % Manganese
Al % Aluminium
P % Phosphorus
C % Carbon
S % Sulfur

Description of mechanical properties

Parameter Units of measurement Description
$$\sigma _{U}$$ $$MPa$$ Ultimate tensile strength
$$\psi$$ % Reduction in cross section on fracture