Sandvik 8R61 (Tube and pipe, seamless)
Datasheet updated 2012-08-02 10:11:29 (supersedes all previous editions)
Sandvik 8R61 is an austenitic chromium-nickel steel alloyed with molybdenum for high-temperature applications.
Standards
- EN number 1.4918
- EN name X6CrNiMo17-13-2
- W.Nr. X 6 CrNiMo 17 13
- DIN 1.4919
Product standards
Seamless tube and pipe:
- EN 10216-5
- DIN 17459
Chemical composition (nominal) %
| C | Si | Mn | P max. |
S max. |
Cr | Ni | Mo |
|---|---|---|---|---|---|---|---|
| 0.06 | 0.5 | 1.4 | 0.035 | 0.015 | 17.5 | 12 | 2.2 |
Mechanical properties
At 20°C (68°F)
| Proof strength | Tensile strength | Elong. | ||
|---|---|---|---|---|
| Rp0.2a) | Rm | Ab) | ||
| MPa | ksi | MPa | ksi | % |
| min | min | min | ||
| 205 | 30 | 490-690 | 71-100 | 35 |
1 MPa = 1 N/mm2
a) Rp0.2 and Rp1.0 correspond to 0.2% offset and 1.0% offset yield strength, respectively.
b) longitudinal
At high temperatures
|
Temperature
|
Proof strength
|
|---|---|
| Rp0.2 | |
| °C | MPa |
| min. | |
| 50 | 184 |
| 100 | 177 |
| 150 | 162 |
| 200 | 147 |
| 250 | 137 |
| 300 | 127 |
| 350 | 122 |
| 400 | 118 |
| 450 | 113 |
| 500 | 108 |
|
550
|
103
|
| Temperature | 10000h | 100000h | |||
|---|---|---|---|---|---|
| °C | °F | MPa approx. | ksi approx. | MPa approx. | ksi approx. |
| 550 | 1020 | 250 | 36.3 | 175 | 25.4 |
| 560 | 1040 | 235 | 34.1 | 164 | 23.8 |
| 570 | 1058 | 220 | 31.9 | 153 | 22.2 |
| 580 | 1076 | 205 | 19.7 | 142 | 20.6 |
| 590 | 1094 | 190 | 27.6 | 131 | 19.0 |
| 600 | 1112 | 175 | 25.4 | 120 | 17.4 |
| 610 | 1130 | 160 | 23.2 | 109 | 15.8 |
| 620 | 1148 | 147 | 21.3 | 98 | 14.2 |
| 630 | 1166 | 135 | 19.6 | 88 | 12.8 |
| 640 | 1184 | 123 | 17.8 | 78 | 11.3 |
| 650 | 1202 | 111 | 16.1 | 69 | 10.0 |
| 660 | 1220 | 100 | 14.5 | 60 | 8.7 |
| 670 | 1238 | 91 | 13.2 | 52 | 7.5 |
| 680 | 1256 | 82 | 11.9 | 46 | 6.7 |
| 690 | 1274 | 73 | 10.6 | 40 | 5.8 |
| 700 | 1292 | 65 | 9.4 | 34 | 4.9 |
Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Sandvik materials.
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