Ambient temperature mechanical properties of ferritic stainless steel flat products to BS EN 10088-2

Introduction

BS EN 10088-2 is the material standard for stainless steel sheet, plate and strip for general purposes. This article gives the 0.2% and 1.0% proof strength, tensile strength and elongation of the 19 ferritic grades specified. The standard also specifies the resistance to intergranular corrosion acceptance criteria. For reasons of space, these are omitted from the tables shown here.

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The data given is not intended to replace that shown in individual standards to which reference should always be made.

BS EN 10088-2:2005 Edition

BS EN 10088-2 was originally published in 1995. The second, current version, BS EN 10088-2:2005, has superseded BS EN 10088-2:1995, which was withdrawn by BSi on 20th June 2005.
The tables shown here only have the 2005 tensile property ranges of the ferritic steels. Two new 'special' ferritic grades, 1.4589 and 1.4595 have been added and grade 1.4605 removed. The specified proof and tensile strengths for grade 1.4017 have been lowered.

The maximum thickness ranges for the specification of mechanical properties have been extended for strip products.
Cold rolled strip, C has been increased from 6 to 8mm max
Hot rolled strip, H has been increased from 12 to 13.5mm max

BS EN 10088-2 mechanical properties - ferritic stainless steels

Designation Mechanical properties min unless stated
Steel name Steel number Product Proof strength Rp0.2 N/mm2 Tensile strength Rm N/mm2 Elongation A80mm2) for < 3mm A3) for > 3mm
Form1) Max thickness mm Longitudinal Transverse %
Ferritic stainless steels at room temperatures in the annealed condition- standard grades
X2CrNi12 1.4003 C 8 280 320 450/650 20
H 13.5 280 320 450/650 20
P 254) 250 280 450/650 18
X2CrTi12 1.4512 C 8 210 220 380/560 25
H 13.5 210 220 380/560 25
X6CrNiTi12 1.4516 C 8 280 320 450/650 23
H 13.5 280 320 450/650 23
P 254) 250 280 450/650 20
X6Cr13 1.4000 C 8 240 250 400/600 19
H 13.5 220 230 400/600 19
P 254) 220 230 400/600 19
X6CrAl13 1.4002 C 8 230 250 400/600 17
H 13.5 210 230 400/600 17
P 254) 210 230 400/600 17
X6Cr17 1.4016 C 8 260 280 450/600 20
H 13.5 240 260 450/600 18
P 254) 240 260 430/630 20
X3CrTi17 1.4510 C 8 230 240 420/600 23
H 13.5 230 240 420/600 23
X3CrNb17 1.4511 C 8 230 240 420/600 23
X6CrMo17-1 1.4113 C 8 260 280 450/630 18
H 13.5 260 280 450/630 18
X2CrMoTi18-2 1.4521 C 8 300 320 420/640 20
H 13.5 280 300 400/600 20
P 12 280 300 420/620 20
Ferritic stainless steels at room temperatures in the annealed condition- special grades
X2CrTi17 1.4520 C 8 180 200 380/530 24
X1CrNb15 1.4595 C 8 210 220 380/560 25
X2CrMoTi17-1 1.4513 C 8 200 220 400/550 23
X6CrNi17-1 1.4017 C 8 330 350 500/750 12
X5CrNiMoTi15-2 1.4589 C 8 400 420 550/750 16
H 13.5 360 380 550/750 14
X6CrMoNb17-1 1.4526 C 8 280 300 480/560 25
X2CrNbZr17 1.4590 C 8 230 250 400/550 23
X2CrTiNb18` 1.4509 C 8 230 250 430/630 18
X2CrMoTi29-4 1.4592 C 8 430 450 550/700 20

Note

  1. C= Cold rolled strip; H= hot rolled strip; P= hot rolled plate.
  2. The values apply for test pieces with a gauge length of 80mm and a width of 20mm. Test pieces with a gauge length of 50mm and a width of 12.5mm can also be used.
  3. The values apply for test pieces with a gauge length of 5.65 So0.5
  4. For thicknesses above 25mm, the mechanical properties can be agreed.

 

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