| Customization: | Available |
|---|---|
| Type: | Sheet |
| Standard: | AISI, ASTM, DIN, JIS, GB |
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grades 310S contain 25% chromium and 20% nickel, making them highly resistant to oxidation and corrosion. The high chromium and medium nickel content make these steels capable for applications in reducing sulphur atmospheres containing H2S. They are widely used in moderately carburising atmospheres, as encountered in petrochemical environments. For more severe carburising atmospheres other heat resisting alloys should be selected. Grade 310 is not recommended for frequent liquid quenching as it suffers from thermal shock. The grade is often used in cryogenic applications, due to its toughness and low magnetic permeability.310S stainless steel is the low carbon version of 310 and is suggested for applications where sensitisation, and subsequent corrosion by high temperature gases or condensates during shutdown may pose a problem.
The chemical composition of stainless steel grade 310S is outlined in the following table.
| C | Si | Mn | P | S | Cr | Ni |
| 0.08MAX | 1.5MAX | 2.0MAX | 0.045MAX | 0.030MAX | 24.0-26.0 | 19.0-22.0 |
| Grade | UNS | DIN | EN | AMS | ASTM | JIS | |
| 310S | S31008 |
DIN1.4845
|
1.4845 | AMS 5521 AMS 5572 AMS 5577 AMS 5651 |
ASTM A240 ASTM A479 |
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| Mechanical & Physical Properties | 21.1 °C | 537.8 °C | 648.9 °C | 760 °C | 871.1 °C | 982 °C | 1093 °C |
|---|---|---|---|---|---|---|---|
| Ultimate Tensile Strength/ MPa | 551.6 | 467.5 | 373 | 242 | 131.7 | - | - |
| 0.2% Yield Strength/ MPa | 241.3 | 143.4 | 142.7 | 133.1 | 84.1 | - | - |
| Elongation % | 52 | 47 | 43 | 46 | 48 | - | - |
| Minimum Creep 0.0001% per hr/ MPa | - | - | 102.7 | 22.8 | 7.6 | 1.9 | - |
| 10,000 hr Rupture Strength / MPa | - | - | 99.3 | 31 | 10.3 | 4.6 | - |
| Coefficient of Thermal Expansion µm/mC | - | 17.1 | 17.6 | 18.1 | 18.3 | 18.5 | 19.1 |
| Thermal Conductivity/kcal/(hr.m.°C) | 11.3 | 20.2 | 22.6 | 25 | 27.4 | 29.8 | - |
| Modulus of Elasticity/ x105 MPa | 2 | 1.59 | 1.5 | 1.41 | 1.32 | - |
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