S235JR
Non-alloy structural steels
Material no. 1.0038 Mechanical properties 1) Available dimensions
according to DIN EN 10025-2 Hot-rolled coils unpickled, mill-edge
Tensile strength class A Nom. thick. e Yield strength R eH
16 mm 235 MPa Thickness in mm Width in mm
Usage > 16 mm 225 MPa 1,50 1,79 900 1250
Suitability for coldforming such as ben- 1,80 1,99 900 1390
ding, folding, bordering and flanging etc. Nom. thick. e Tensile strength Rm 2,00 2,24 900 1540
can be ordered separately. < 3 mm 360 510 MPa 2,25 2,49 900 1700
The user of these steel grades must 3 mm 360 510 MPa 2,50 12,70 900 1880
make sure that his calculation, design and
processing methods are appropriate for Nom. thick. e Total elong. A 2) (long./trans.)
the material. The welding technique used < 3 mm 21/ 19 % Hot-rolled slit strip
must be suitable for the intended appli- 3 e 25 mm 26/ 24 %
cation and comply with the state-of-the- Thickness in mm Width in mm
art. The samples for the tensile test are taken 1,50 1,79 100 515
With distinctly closer chemical com- at right angles to rolling direction unless 1,80 1,99 100 635
positon values and mechanical proper- the product width is opposed to this. 2,00 2,24 100 760
ties, the steel grades of the S235-S355 2,25 7,00 100 800
series are used as material for wheels of 1) The tensile test values given in the table apply to 7,01 8,00 140 800
longitudinal samples; in case of strip and sheet
passenger cars, lorries and other vehi- steel of width 600 mm they apply to transverse 8,01 9,00 175 800
cles. samples. 9,01 10,00 233 800
2) It applies to nominal thickness e:
e < 3 mm: A80
Chemical composition 1)
e 3 mm: A5 < 100 mm on request
(in percent by weight)
min. max.
C 0,17% Welding
Mn 1,40% Notch impact energy 1) The steel grades JR, JO, J2 and K2 cate-
P 0,035% gories are in general suitable for all wel-
S 0,035% Temperature Notch impact energy ding techniques.
N 0,012% 20 C 27 J
Cu 0,55% 2)
CE 0,350% 3) 4) 1) Average values of 3 samples; one individual value Condition of delivery, scope of te-
may fall short of the required minimum value by not sting and certificate
1) Heat analysis more than 30%. The sample width shall equal the
product thickness if the latter is between 5 and 10 The provisions of DIN 10025-2, chap-
2) The maximum nitrogen content shall not apply if
the total aluminium content of the steel is at least
mm. The tests are performed by using samples ters 6.3 and 8 shall apply for delivery
similar to Charpy-V samples. The values specified
0,020 % or if it contains enough other nitrogen- and inspection. Other inspections may
in the table above are to be reduced proportionally
fixing elements.
to the sample width. be agreed.
3) Copper contents higher than 0,400 % can cause
exfoliation corrosion.
4) Maximum carbon equivalent value
CE = C + Mn 6 + ( Cr + Mo + V) 5 + (Cu + Ni) 15
Salzgitter Flachstahl GmbH Eisenhttenstrae 99 38239 Salzgitter
Phone +49 (0) 5341 21-2890 Telefax +49 (0) 5341 21-8536
E-Mail flachstahl@salzgitter-ag.de http://www.salzgitter-flachstahl.de
Salzgitter Flachstahl S235JR Page 1 of 1 Edition: 07/10
