Ambient temperature mechanical properties of precipitation hardening 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% proof strength, tensile strength and elongation levels, where specified, of the 2 precipitation hardening grades listed in the standard.
The data given is not intended to replace that shown in individual standards to which reference should always be made.
BS EN 10088-2:2014 Edition
BS EN 10088-2 was originally published in 1995. The second version, BS EN 10088-2:2005, has been superseded by BS EN 10088-2:2014.
The tables shown here have the 2014 tensile property ranges of the 2 precipitation hardening steels 1.4542 and 1.4568. The specified properties have not been changed for these grades.
BS EN 10088-2 mechanical properties – precipitation hardening stainless steels
| Designation |
Mechanical properties min unless stated |
| Steel name |
Steel number |
Product |
Heat treatment condition2) |
Proof strength Rp0.2 N/mm2 |
Tensile strength Rm N/mm2 |
Elongation3),4) % |
| Form1) |
Thickness mm max |
| Precipitation hardening stainless steels in the heat treated condition-special grades (martensitic steel) |
| X5CrNiCuNb16-4 |
1.4542 |
C |
8 |
AT5) |
– |
<1275 |
5 |
| C |
8 |
P13006) |
1150 |
1300 |
3 |
| C |
8 |
P9006) |
700 |
900 |
6 |
| P |
50 |
P10707) |
1000 |
1070/1270 |
10 |
| P |
50 |
P9507) |
800 |
950/1150 |
12 |
| P |
50 |
P8507) |
600 |
850/1050 |
14 |
| P |
50 |
SR6308) |
– |
<1050 |
– |
| X7CrAl17-7 |
1.4568 |
C |
8 |
AT5),9) |
– |
<1030 |
19 |
| C |
8 |
P14506) |
1310 |
1450 |
2 |
Note
- C= Cold rolled strip; H= hot rolled strip; P= hot rolled plate.
- AT = solution annealed; P = precipitation hardened; SR= strength relieved.
- 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.
- The values apply for test pieces with a gauge length of 5.65 So0.5
- Delivery condition.
- Condition of application; other precipitation hardening temperatures may be agreed.
- If ordered in the finally treated condition.
- Delivery condition for further processing; final treatment according to table A.3 of BS EN 10088-2.
- For spring-hard rolled condition see EN 10151
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