Furnace Grade 310S Stainless Steel Sheet 1200C Heat Resistant 3mm 10mm Kiln Liner
Product Details
| Grade: | 310S / 1.4845 | Thickness: | 3mm - 20mm |
|---|---|---|---|
| Max Service Temperature: | 1200 C Continuous | Nickel Content: | 19 - 22 Percent |
| Chromium Content: | 24 - 26 Percent | Oxidation Resistance: | Cyclic Oxidation Resistant In Air |
| Surface: | No.1 Hot Rolled, 2B Cold Rolled | Standard: | ASTM A240, EN 10095 |
| Highlight |
310S Heat Resistant Sheet,Furnace Grade Stainless Sheet,1200C Stainless Steel Plate |
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Product Description
Furnace liners, muffle boxes and annealing trays fail by one mechanism: repeated heating and cooling in air destroys the protective oxide scale until the metal starts to spall. Grade 310S answers that with 24 to 26 percent chromium and 19 to 22 percent nickel, a combination that holds a tenacious oxide layer and resists cyclic oxidation in air up to 1200 C. This sheet is supplied in hot rolled No.1 and cold rolled 2B condition from 3mm to 20mm, so both the liner plate and the thinner internal baffles can come from one supplier and one certificate set.
The low carbon version of 310 keeps carbon at 0.08 percent maximum, which limits sensitisation after welding and preserves ductility in service. Fabricators can weld, roll and form the sheet with standard austenitic procedures, and the higher nickel content keeps the weld pool fluid enough for full penetration joints on kiln shell segments.
Key Features- Oxidation Resistance to 1200C: The 25 percent chromium plus 20 percent nickel balance forms a stable oxide scale that survives repeated furnace cycles without spalling or scaling loss.
- Low Carbon Weld Stability: Carbon held at 0.08 percent maximum reduces carbide precipitation, so welded muffle boxes and trays keep their toughness after long exposure.
- Creep Strength at Temperature: High nickel content maintains strength well above the range where 304 and 321 begin to sag, extending the service life of trays and supports.
- Thickness Range 3mm to 20mm: Liner plates, structural brackets and thin baffles can be ordered together, keeping one alloy, one heat number and one documentation pack per project.
- Cyclic Thermal Fatigue: The alloy tolerates rapid heating and cooling in batch furnaces and kilns, resisting the cracking that starts at weld toes in lower grades.
- Full Mill Traceability: ASTM A240 and EN 10095 compliant supply with EN 10204 3.1 certificates stating chemistry and high temperature mechanicals.
| Parameter | Specification |
|---|---|
| Grade | 310S / 1.4845, UNS S31008 |
| Thickness | 3mm, 4mm, 6mm, 8mm, 10mm, 12mm, 20mm |
| Max Service Temperature | 1200 C continuous in air, 1150 C under load |
| Chemistry | Cr 24-26%, Ni 19-22%, C max 0.08% |
| Surface | No.1 hot rolled, 2B cold rolled |
| Tensile Strength | not less than 515 MPa |
| Yield Strength | not less than 205 MPa |
| Elongation | not less than 40 percent |
| Standard | ASTM A240, EN 10095 |
Furnace grade 310S sheet is used for kiln and furnace liners, muffle boxes, annealing and hardening trays, radiant tube supports, burner nozzles, cement kiln internals, heat treatment fixtures and exhaust components in high temperature plants. Maintenance teams order it as replacement plate for failed 309S or 304 liners, since the upgrade usually doubles the interval between shutdowns and reduces the labour cost of refractory work.
Packaging & Quality AssurancePlate is edge protected with angle steel, wrapped in waterproof paper and strapped into bundles on fumigation-free skids for container and break bulk loading. Each heat is tested for chemistry, tensile strength and elongation, with results stated on the EN 10204 3.1 certificate. Stock thicknesses ship in ten working days, while continuous cast plate in special widths requires twenty five to thirty days.
Product Highlights
Furnace liners, muffle boxes and annealing trays fail by one mechanism: repeated heating and cooling in air destroys the protective oxide scale until the metal starts to spall. Grade 310S answers that with 24 to 26 percent chromium and 19 to 22 percent nickel, a combination that holds a tenacious ...
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