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Specifications:
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Typical Applications
SX 310/310S find wide application in all high-temperature environments where scaling and corrosion resistance, as well as high temperature strength and good creep resistance, are required.
Chemical Composition
SX | C | Mn | P | S | Si | Cr | Ni |
310 | 0.25 max | 2.0 max | 0.045 max | 0.030 max | 1.5 max | 24.0 - 26.0 | 19.0 - 22.0 |
310S | 0.08 max | 2.0 max | 0.045 max | 0.030 max | 1.5 max | 24.0 - 26.0 | 19.0 - 22.0 |
Typical Properties in the Annealed Condition
The properties quoted in this publication are typical of mill production and unless indicated should not be regarded as guaranteed minimum values for specification purposes.
1. Mechanical Properties at Room Temperature
SX 310 | SX 310S | |||
Typical | Minimum | Typical | Minimum | |
Tensile Strength, MPa | 625 | 515 | 575 | 515 |
Yield Stress (0.2 % offset), MPa | 350 | 205 | 290 | 205 |
Elongation (Percent in 50mm) | 50 | 40 | 50 | 40 |
Hardness (Brinell) | 172 | - | 156 | - |
Endurance (fatigue) limit, MPa | 260 | - | 260 | - |
2. Properties at Elevated Temperatures
The values quoted are those for SX 310.
Enquire for data on 310S .
Short Time Elevated Temperature Tensile Strength
Temperature, oC | 550 | 650 | 750 | 850 | 950 | 1050 |
Tensile Strength, MPa | 550 | 430 | 280 | 180 | 90 | 50 |
Creep data
Stress to develop a creep rate of 1% in the indicated time at the indicated temperature.
Time | Temperature oC | 550 | 600 | 650 | 700 | 750 | 800 |
10 000 h | Stress MPa | 110 | 90 | 70 | 40 | 30 | 15 |
100 000 h | Stress MPa | 90 | 75 | 50 | 30 | 20 | 10 |
Creep Rupture Stress
Time | Temperature oC | 600 | 700 | 800 | 900 | 1000 |
1 000 h | Stress MPa | 190 | 110 | 50 | 35 | 15 |
10 000 h | Stress MPa | 170 | 70 | 35 | 20 | 10 |
100 000 h | Stress MPa | 110 | 55 | 25 | 10 | 2 |
Recommended Maximum Service Temperature
(Oxidising Conditions)
Continuous 1150oC
Intermittent 1035oC