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Non-alloy structural steels

Usage

These general structural steel grades are characterized by a minimum yield strength of 185 - 450 MPa. Suitability for cold forming such as bending, folding, bordering and flanging etc. can be ordered separately. The user of these steel grades must make sure that his calculation, design and processing methods are appropriate for the material. The welding technique used must be suitable for the intended application and comply with the state-of-the-art.

With distinctly closer chemical composition values and mechanical properties, the steel grades of the S235 - S355 series are used as material for wheels of passenger cars, lorries and other vehicles.

For laser cutting, we offer our Salzgitter 240 special grade.

For the hydroforming process, we have developed the special grades S280IHU and S320IHU.

Standards

Europa Werst.-Nr. D F I GB E USA J FK1)
EN 10025-2 DIN 17100 NFA 35-501 UNI 7070 BS 4360 UNE 36 080 ASTM JIS G 3101
S235JR 1.0038 St 37-2 E 24-2 Fe 360 B - AE 235 B A 283 C - A 1011 Gr. 33 - A
S235J0 1.0114 RSt 37-3 U E24-3 Fe 360 C 40C AE 235 C - - A
S235J2 1.0117 St 37-3 N E 24-4 Fe 360 D 40 D AE 235 D - - A
Salzgitter 240 - - - - - - - - A
S275JR 1.0044 St 44-2 E 28-2 Fe 430 B 43B AE 275 B A 1011 Gr. 40 SS 400 A
S275J0 1.0143 St 44-3 U E 28-3 Fe 430 C 43C AE 275 C - - A
S275J2 1.0145 St 44-3 N E 28-4 Fe 430 D 43D AE 275 D A 633 Gr. A - A
S280IHU - - - - - - - - A
S320IHU - - - - - - - - A
S355JR 1.0045 - E 36-2 Fe 510 B 50B AE 355 B A 678 Gr. A SS 490 B
S355J0 1.0553 St 52-3 U E 36-3 Fe 510 C 50C AE 355 C - - B
S355J2 1.0577 St 52-3 N - Fe 510 D 50D AE 355 D A 573 Gr. 70 - B
S355K2 1.0596 - E 36-4 - 50DD - - - B
E295 1.0050 St 50-2 A 50-2 Fe 490 - A 490 - SS 50 B
E335 1.0060 St 60-2 A 60-2 Fe 590 - A 590 - - B
E360 1.0070 St 70-2 A 70-2 Fe 690 - A690 - - B

Chemical composition in percent by weight [%] (Heat analysis)

Grade C Si Mn P S N1) Cu2) CE3)
max. max. max. max. max. max. max. max.
S235JR 0.17 - 1.40 0.035 0.035 0.012 0.55 0.35
S235J0 0.17 - 1.40 0.030 0.030 0.012 0.55 0.35
S235J2 0.17 - 1.40 0.025 0.025 - 0.55 0.35
Salzgitter 240 0.12 0.03 0.90 0.018 0.010 - - -
S275JR 0.21 - 1.50 0.035 0.035 0.012 0.55 0.40
S275J0 0.18 - 1.50 0.030 0.030 0.012 0.55 0.40
S275J2 0.18 - 1.50 0.025 0.025 - 0.55 0.40
S280IHU 0.10 0.20 1.20 0.020 0.010 - - -
S320IHU 0.18 0.20 1.25 0.020 0.010 - - -
S355JR 0.24 0.55 1.60 0.035 0.035 0.012 0.55 0.45
S355J0 0.20 0.55 1.60 0.030 0.030 0.012 0.55 0.45
S355J2 0.20 0.55 1.60 0.025 0.025 - 0.55 0.45
S355K2 0.20 0.55 1.60 0.025 0.025 - 0.55 0.45
E295 - - - 0.045 0.045 0.012 - -
E335 - - - 0.045 0.045 0.012 - -
E360 - - - 0.045 0.045 0.012 - -

Mechanical properties1)

Grade Yield strength2) Tensile strength2) Min. notch impact energy3) Temperature
MPa MPa J °C
e ≤ 16 e > 16 e < 3 e ≥ 3
S235JR ≥ 235 ≥ 225 360 - 510 360 - 510 27 20
S235J0 ≥ 235 ≥ 225 360 - 510 360 - 510 27 0
S235J2 ≥ 235 ≥ 225 360 - 510 360 - 510 27 -20
Salzgitter 240 240 - 320 - 360 - 440 360 - 440 - -
S275JR ≥ 275 ≥ 265 430 - 580 410 - 560 27 20
S275J0 ≥ 275 ≥ 265 430 - 580 410 - 560 27 0
S275J2 ≥ 275 ≥ 265 430 - 580 410 - 560 27 -20
S280IHU 280 - 360 - 400 - 480 400 - 480 - -
S320IHU 320 - 400 - 440 - 520 440 - 500 - -
S355JR ≥ 355 ≥ 345 510 - 680 470 - 630 27 20
S355J0 ≥ 355 ≥ 345 510 - 680 470 - 630 27 0
S355J2 ≥ 355 ≥ 345 510 - 680 470 - 630 27 -20
S355K2 ≥ 355 ≥ 345 510 - 680 470 - 630 40 -20
E295 ≥ 295 ≥ 285 490 - 660 470 - 610 - -
E335 ≥ 335 ≥ 325 590 - 770 570 - 710 - -
E360 ≥ 360 ≥ 355 690 - 900 670 - 830 - -

Total elongation

Grade Position of samples1) Min. total elongation [%]2)
L0 = 80 mm L0 = 5.65 √S0
1 < e ≤ 1.5 1.5 < e ≤ 2 2 < e ≤ 2.5 2.5 < e < 3 3 ≤ e ≤ 25
S235JR l/t 18/16 19/17 20/18 21/19 26/24
S235J0 l/t 18/16 19/17 20/18 21/19 26/24
S235J2 l/t 18/16 19/17 20/18 21/19 26/24
Salzgitter 240 l 24 24 24 24 30
S275JR l/t 16/14 17/15 18/16 19/17 23/21
S275J0 l/t 16/14 17/15 18/16 19/17 23/21
S275J2 l/t 16/14 17/15 18/16 19/17 23/21
S280IHU l 27 27 27 27 323)
S320IHU l 27 27 27 27 323)
S355JR l/t 15/13 16/14 17/15 18/16 22/20
S355J0 l/t 15/13 16/14 17/15 18/16 22/20
S355J2 l/t 15/13 16/14 17/15 18/16 22/20
S355K2 l/t 15/13 16/14 17/15 18/16 22/20
E295 l/t 13/11 14/12 15/13 16/14 20/18
E335 l/t 9/7 10/8 11/9 12/10 16/14
E360 l/t 5/4 6/5 7/6 8/7 11/10

Welding

No indications on weldability of steel grades E295, E335 and E360 are made because there are no requirements on their chemical composition.

The steel grades of the JR, J0, J2 and K2 categories are in general suitable for all welding techniques.

Condition of delivery, scope of testing and certificate

The provisions of DIN EN 10025-2, chapters 6.3 and 8 shall apply for delivery and inspection. Other inspections may be agreed.

Certificates according to DIN EN 10204 can be supplied as follows: IT, DUN, FAX, e-mail, paper.

© Salzgitter Flachstahl GmbH
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