Ambient Temperature Mechanical Properties of Creep Resisting Steels To BS EN 10302
Ambient temperature mechanical properties of creep resisting steels to BS EN-10302
BS EN 10302 is the recognised standard for creep resisting steels, nickel and cobalt alloys.
This article summarises the mechanical properties for the steels listed in the standard.
AMBIENT TEMPERATURE MECHANICAL PROPERTIES OF CREEP RESISTING STEELS TO BS EN 10302
Introduction
EN 10302 is the European standard covering a wide range of creep resisting steels. Some of these can also be
classified as stainless steels. This article summarises the mechanical properties of these steels.
BS EN 10302:2008
The latest edition of the standard was published in 2008.
Steel Grade Heat treatment Rp0.2
MPa
Rm
MPa
A% minimum
Steel Name Steel Number Long Products Flat Products
0.5 < a < 3
l, tr
3 < a
tr
Martensitic steels
X10CrMoVNb9-1 1.4903 +QT 450 620/850 20 – –
X11CrMoWVNb9-1-1 1.4905 +QT 450 620/850 19 – –
X8CrCoNiMo10-6 1.4911 +QT 850 1000/1140 10 – –
X19CrMoNbVN11-1 1.4913 +QT (d<160) 750 900/1050 12 – –
X20CrMoV11-1 1.4922 +QT 500 700/850 16 15
X22CrMoV12-1 1.4923 +QT (d<160) 600 800/950 14 14
X20CrMoWV12-1 1.4935 +QT 700 500 700/850 16 15
+QT 800 600 800/950 14 –
X12CrNiMoV12-3 1.4938 +QT (d<160) 760 930/1130 14 14
Austenitic steels
X3CrNiMoBN17-13-3 1.4910 +AT (d<160) 260 550/750 35 – 35
X6CrNiMoB17-12-2 1.4919 +AT (d<160) 205 490/690 35 30 35
X6CrNiTiB18-10 1.4941 +AT (d<160) 195 490/680 35 30 35
X6CrNiWNbN16-16 1.4945 +AT 250 540/740 30 – 30
+WW (warm worked) (d < 60) 490 630/840 17 – –
X6CrNi25-20 1.4951 +AT 200 510/710 35 35 35
X5NiCrAlTi31-20 1.4958 +AT (d<160) 170 500/750 35 30 30
+RA 210 500/750 35 30 30
X8NiCrAlTi32-21 1.4959 +AT (d<160) 170 500/750 35 30 30
X8CrNiNb16-13 1.4961 +AT 200 510/690 35 30 35
X12CrNiWTiB16-13 1.4962 +AT 230 500/750 30 – 30
+WW (warm worked) (d < 60) 440 590/790 20 – –
X12CrCoNi21-20 1.4971 +AT 300 690/900 30 – 35
X6NiCrTiMoVB25-15-2 1.4980 +P (d<160) 600 900/1150 15 – 15
X8CrNiMoNb16-16 1.4981 +AT 215 530/690 35 – 35
X6CrNiMoTiB17-13 1.4983 +AT 205 530/730 35 30 35
X8CrNiMoVNb16-13 1.4988 +P 255 540/740 30 – 30
The abbreviations in this table are:
+QT = Quench and Tempered
+AT = Solution Annealed
+P = Precipitation Hardened
Related Articles
Chemical composition of creep resisting steels to BS EN 10302
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