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Mechanical properties of stainless steel

Below is a table detailing the mechanical properties of some of the stainless steel grades that are supplied by thyssenkrupp Materials (UK).

If the grade that you arelooking for isn't present, or, if you need to know any more information, you can either visit our chemical compositions page or our stainless steel data sheets.

All data is to EN110088-2

Austenitic Grades

Grade EN Specification Form Max Thickness (mm) 0.2% - Proof Strength (min MPa)a 1% - Proof Strength (min MPa)a Tensile Strength (MPa)
304 1.4301 Cold rolled strip 6.0 230 260 540 - 750
304 1.4301 Hot rolled strip 13.5 210 250 520 - 720
304 1.4301 Hot rolled plate 75.0 210 250 520 - 720
304L 1.4307 Cold rolled strip 6.0 220 250 520 - 700
304L 1.4307 Hot rolled strip 13.5 200 240 520 - 700
304L 1.4307 Hot rolled plate 75.0 200 240 500 - 700
316 1.4401 Cold rolled strip 6.0 240 270 530 - 680
316 1.4401 Hot rolled strip 13.5 220 260 530 - 680
316 1.4401 Hot rolled plate 75.0 220 260 520 - 670
316L 1.4404 Cold rolled strip 6.0 240 270 530 - 680
316L 1.4404 Hot rolled strip 13.5 220 260 530 - 680
316L 1.4404 Hot rolled plate 75.0 220 260 520 - 670

a - If, in the case of strip in rolling widths < 300 mm, longitudinal test pieces are taken, the minimum values are reduced as follows:
- proof strength - minus 15 MPa,
- elongation for constant gauge length - minus 5 %;
- elongation for proportional gauge length - minus 2 %.
For continuously hot rolled products, 20 MPa higher minimum values of Rp0,2 and 10 MPa higher minimum values of Rp1,0 may be agreed at the time of enquiry and order.

Ferritic Grades

Grade EN Specification Form Max Thickness (mm) 0.2% - Longitudinal Proof Strength (min MPa) 0.2% - transverse Proof Strength (min MPa) Tensile Strength (MPa)
409 1.4512 Cold rolled strip 8.0 210 220 380 - 560
409 1.4512 Hot rolled strip 13.5 210 220 380 - 560
430 1.4016 Cold rolled strip 8.0 260 280 430 - 600
430 1.4016 Hot rolld strip 13.5 240 260 430 - 600
430 1.4016 Hot rolled plate 25.0 240 260 430 - 600
439 1.4510 Cold rolled strip 8.0 230 240 420 - 600
439 1.4510 Hot rolled strip 13.5 230 240 420 - 600
4509 1.4509 Cold rolled strip 8.0 230 250 430 - 630

Martensitic Grades

Grade EN Specification Form Heat treatment condition Max Thickness (mm) 0.2% - Proof Strength (max MPa) Tensile Strength (max MPa)
420 1.4031 Cold rolled strip Quenched and tempered 3.0 - -
420 1.4031 Cold rolled strip Annealed 8.0 - 760
420 1.4031 Hot rolled strip Annealed 13.5 - 760
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