1.0308 (E235)
Classification
| Country |
Section |
Category |
| Germany |
Non-alloy Steels |
Steels with Average C < 0,12% or Rm < 400 MPa |
Chemical composition
| Standard |
Fe, % |
Si, % |
Mn, % |
P, % |
C, % |
S, % |
|---|
| DIN 2391 Part 2 |
> 98.19 |
< 0.35 |
< 1.2 |
< 0.045 |
< 0.17 |
< 0.045 |
Information on suppliers
Mechanical properties at 20 °C
| Rolling |
Standard |
Size, mm |
Tension |
Classifiers |
$$\sigma _{U}$$, $$MPa$$ |
$$\sigma_{Y}$$, $$MPa$$ |
$$\epsilon_L$$, % |
Treatment |
|---|
|
|
|
|
raw |
390 |
300 |
7 |
|
|
|
|
|
annealing, soft |
315 |
|
25 |
|
|
|
|
|
normalization |
340–480 |
235 |
|
|
|
|
< 16 |
|
rolling |
360 |
235 |
|
|
|
|
16–40 |
|
rolling |
360 |
225 |
|
|
|
|
40–65 |
|
rolling |
360 |
215 |
|
|
|
|
65–100 |
|
rolling |
340 |
|
|
|
|
|
|
|
stress relief, cold drawn |
420–440 |
325–350 |
14–16 |
|
|
|
|
|
solid, cold drawn |
480–490 |
|
6 |
|
|
|
|
|
soft, cold drawn |
440 |
|
10 |
|
|
|
65–80 |
|
rolling |
|
205 |
|
|
|
|
80–100 |
|
rolling |
|
195 |
|
|
Properties
| Property |
|---|
| According to DIN 2391 Part 2 Cold drawn (hard) (BK) tensile strength: > 480 MPa |
| According to DIN 2391 Part 2 Cold drawn (hard) (BK) elongation: > 6 % |
| According to DIN 2391 Part 2 Cold drawn (soft) (BKW) tensile strength: > 420 MPa |
| According to DIN 2391 Part 2 Cold drawn (soft) (BKW) elongation: > 10 % |
| According to DIN 2391 Part 2 Cold-drawn with strain relief (BKS) yield strength: > 315 MPa |
| According to DIN 2391 Part 2 Cold-drawn with strain relief (BKS) tensile strength: > 420 MPa |
| According to DIN 2391 Part 2 Cold-drawn with strain relief (BKS) elongation: > 14 % |
| According to DIN 2391 Part 2 After annealing (GBK) tensile strength: > 315 MPa |
| According to DIN 2391 Part 2 After annealing (GBK) elongation: > 25 % |
| According to DIN 2391 Part 2 After normalization (NBK) yield strength: > 235 MPa |
| According to DIN 2391 Part 2 After normalization (NBK) tensile strength: 340 - 470 MPa |
| According to DIN 2391 Part 2 After normalization (NBK) elongation: > 25 % |
| Density: 7.85 g / cm3 |
Analogues
| Germany |
CIS, Russia, Ukraine |
USA |
|---|
| QSt 44-2 |
Ст3пс-е |
S235JR |
Standards
Description of chemical elements
| Element |
Units of measurement |
Description |
| Fe |
% |
Iron |
| Si |
% |
Silicon |
| Mn |
% |
Manganese |
| P |
% |
Phosphorus |
| C |
% |
Carbon |
| S |
% |
Sulfur |
Description of mechanical properties
| Parameter |
Units of measurement |
Description |
| $$\sigma_{Y}$$ |
$$MPa$$ |
Yield strength |
| $$\sigma _{U}$$ |
$$MPa$$ |
Ultimate tensile strength |
| $$\epsilon_L$$ |
% |
Elongation at break (longitudinal) |