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Properties





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 40 austenitic grades specified. The standard also specifies includes impact properties and resistance to intergranular corrosion acceptance criteria. For reasons of space, these are omitted from the tables shown here.

EN 10088-2 was originally published in 1995. The second, current version, EN 10088-2:2005, has superseded EN 10088-2:1995, which was withdrawn by BSi on 20th June 2005. 

The tables shown here only have the 2005 tensile stregnth properties ranges of the austenitic steel. Seven new 'special' austenitic grades, 1.4315, 1.4319, 1.4369, 1.4565, 1.4597, 4652 and 1.4659 have been added.

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

The only changes to tensile properties are increases of maximum tensile strength for grades 304L 1.4307 and 1.4306. These have been increased from 650 or 670, depending on product form, to 700 N/mm2.



EN 10088-2 mechanical properties - austenitic stainless steel
Designation Mechanical properties min unless stated
Steel name Steel number Product Proof strength Tensile strength Rm N/mm2 Elongation5),6)%
Form2) Max thickness mm Rp0.23),4)N/mm2 Rp1.03),4)N/mm2
Austenitic stainless steels in the solution annealed condition1) - standard grades
X10CrNi18-8 1.4310 C 8 250 280 600/950 40
X2CrNiN18-7 1.4318 C 8 350 380 650/850 40
H 13.5 330 370 650/850 40
P 75 330 370 630/830 45
X2CrNi18-9 1.4307 C 8 220 250 520/700 45
H 13.5 200 240 520/700 45
P 75 200 240 500/700 45
X2CrNi19-11 1.4306 C 8 220 250 520/700 45
H 13.5 200 240 520/700 45
P 75 200 240 500/700 45
X2CrNiN18-10 1.4311 C 8 290 320 550/750 40
H 13.5 270 310 550/750 40
P 75 270 310 550/750 40
X5CrNi18-10 1.4301 C 8 230 260 540/750 45
H 13.5 210 250 520/720 45
P 75 210 250 520/720 45
X8CrNiS18-9 1.4305 P 75 190 230 500/700 35
X6CrNiTi18-10 1.4541 C 8 220 250 520/720 40
H 13.5 200 240 520/720 40
P 75 200 240 500/700 40
X4CrNi18-12 1.4303 C 8 220 250 500/650 45
X2CrNiMo17-12-2 1.4404 C 8 240 270 530/680 40
H 13.5 220 260 530/680 40
P 75 220 260 520/670 45
X2CrNiMoN17-11-2 1.4406 C 8 300 330 580/780 40
H 13.5 280 320 580/780 40
P 75 280 320 580/780 40
X5CrNiMo17-12-2 1.4401 C 8 240 270 530/680 40
H 13.5 220 260 530/680 40
P 75 220 260 520/670 45
X6CrNiMoTi17-12-2 1.4571 C 8 240 270 540/690 40
H 13.5 220 260 540/690 40
P 75 220 260 520/670 40
X2CrNiMo17-12-3 1.4432 C 8 240 270 550/700 40
H 13.5 220 260 550/700 40
P 75 220 260 520/670 45
X2CrNiMo18-14-3 1.4435 C 8 240 270 550/700 40
H 13.5 220 260 550/700 40
P 75 220 260 520/670 45
X2CrNiMoN17-13-5 1.4439 C 8 290 320 580/780 35
H 13.5 270 310 580/780 35
P 75 270 310 580/780 40
X1NiCrMoCu25-20-5 1.4539 C 8 240 270 530/730 35
H 13.5 220 260 530/730 35
P 75 220 260 520/720 35
Austenitic stainless steels in the solution annealed condition1) - special grades
X5CrNi17-7 1.4319 C 3 230 260 550/750 45
H 6 230 260 550/750 45
X5CrNiN19-9 1.4315 C 8 290 330 500/720 40
H 13.5 270 310 500/750 40
P 75 270 310 500/750 40
X1CrNi25-21 1.4335 P 75 200 240 470/670 40
X6CrNiNb18-10 1.4550 C 8 220 250 520/720 40
H 13.5 200 240 520/720 40
P 75 200 240 500/700 40
X1CrNiMn25-22-2 1.4466 P 75 250 290 540/740 40
X6CrNiMoN17-13-2 1.4580 P 75 220 260 520/720 40
X2CrNiMoN17-13-3 1.4429 C 8 300 330 580/780 35
H 13.5 280 320 580/780 35
P 75 280 320 580/780 40
X3CrNiMo17-13-3 1.4436 C 8 240 270 550/700 40
H 13.5 220 260 550/700 40
P 75 220 260 530/730 40
X2CrNiMoN18-12-4 1.4434 C 8 290 320 570/770 35
H 13.5 270 310 570/770 35
P 75 270 310 540/740 40
X2CrNiMo18-15-4 1.4438 C 8 240 270 550/700 35
H 13.5 220 260 550/700 35
P 75 220 260 520/720 40
X1CrNiMoCuN24-22-8 1.4652 C 8 430 470 750/1000 40
H 13.5 430 470 750/1000 40
P 75 430 470 750/1000 40
X1CrNiSi18-15-4 1.4361 P 75 220 260 530/730 40
X11CrNiMnN19-8-6 1.4369 C 4 340 370 750/950 35
X12CrMnNiN17-7-5 1.4372 C 8 350 380 750/950 45
H 13.5 330 370 750/950 45
P 75 330 370 750/950 40
X2CrMnNiN17-7-5 1.4371 C 8 300 330 650/850 45
H 13.5 280 320 650/850 45
P 75 280 320 630/830 35
X12CrMnNiN18-9-5 1.4373 C 8 340 370 680/880 45
H 13.5 320 360 680/880 45
P 75 320 360 600/800 35
X8CrMnCuNB17-8-3 1.4597 C 8 300 330 580/780 40
H 13.5 300 330 580/780 40
X1NiCrMoCu31-27-4 1.4563 P 75 220 260 500/700 40
X1CrNiMoCuN25-25-5 1.4537 P 75 290 330 600/800 40
X1CrNiMoCuN20-18-7 1.4547 C 8 320 350 650/850 35
H 13.5 300 340 650/850 35
P 75 300 340 650/850 40
X1CrNiMoCuNW24-22-6 1.4659 P 75 420 460 800/1000 40
X1NiCrMoCuN25-20-7 1.4529 P 75 300 340 650/850 40
X2CrNiMnMoN25-18-6-5 1.4565 C 8 420 460 800/950 30
H 10 420 460 800/950 30
P 40 420 460 800/950 30

Note
  1. The solution treatment may be omitted if the conditions for hot working and subsequent cooling are such that the requirements for the mechanical properties of the product and the resistance to intergranular corrosion as defined in EN ISO 3651-2 are obtained.
  2. C= Cold rolled strip; H= hot rolled strip; P= hot rolled plate.
  3. If, in the case of strip in rolling widths<300mm, longitudinal test pieces are taken, the minimum values are reduced as follow:
      proof strength: minus 15N/mm2
      elongation for constant gauge length: minus 5%
      elongation for proportional gauge length: minus 2%
  4. For continuously hot rolled products, 20N/mm2 higher minimum values of Rp0.2 and 10N/mm2higher minimum values of Rp1.0 may be agreed at the time of enquiry and order.
  5. 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.
  6. The values apply for test pieces with a gauge length of 5.65 So0.5



Related References:
1. EN 10088-2 Mechanical Properties of Precipitation Hardening Stainless Steel Flat
2. Availability of Stainless Steel Flat Grades EN 10088-2
3. EN 10088-2 Mechanical Properties of Austenitic Stainless Steel
4. EN 10088-2 Mechanical Properties of Martensitic Stainless Steel
5. EN 10088-2 Mechanical Properties of Duplex Stainless Steel
6. EN 10088-2 Mechanical Properties of Ferritic Stainless Steel
7. EN 10088-2 Chemical Composition Stainless Steel
8. Permissible Analysis Tolerances on Cast Ranges in EN 10088-2

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