310S Stainless Steel Plate
310S Stainless Steel Plate is a high-performance, heat-resistant alloy known for its superior corrosion resistance and strength at elevated temperatures. It is commonly used in demanding industries such as aerospace, chemical, and heat exchangers. Made from a combination of chromium and nickel, 310S Stainless Steel Plate offers excellent resistance to oxidation, making it an ideal choice for high-temperature environments.
- Product Introduction
310S stainless steel plates aren't just heat-resistant-they're engineered to thrive in infernos. With 25% chromium and 20% nickel, this ultra-austenitic alloy laughs off oxidation at 1.150°C (continuous) and shrugs off thermal shocks that warp lesser steels. Designed for applications where molten salts, sulfur-rich gases, or cyclic heating push materials to their limits-think ethylene cracker tubes, cement rotary kilns, or nuclear reactor internals-it's the unyielding barrier between industrial chaos and operational continuity.
Why 310S Outclasses Competitors
| Challenge | 310S Plate | 309 | Inconel 601 |
|---|---|---|---|
| Max Continuous Heat | 1.150°C | 1.000°C | 1.200°C |
| Cost per Ton | $8.200 | $6.500 | $34.000 |
| Cyclic Oxidation (1.000 cycles) | 0.02 mm scale loss | 0.5 mm scale loss | 0.01 mm scale loss |
Key Properties
Cr/Ni Synergy: 25% Cr forms tenacious oxide layers; 20% Ni stabilizes structure against embrittlement.
Carbon Control: 0.08% max prevents carbide precipitation during prolonged heat exposure.
Sulfur Resistance: Withstands 5% H₂S environments up to 600°C (NACE MR0175 compliant).
Industry-Specific Dominance
1. Petrochemical
Pyrolysis furnace tubes | Coke drum cladding | Sulfur recovery unit ducts
2. Energy
Biomass boiler baffles | Nuclear waste containment shells | Coal gasifier liners
3. Advanced Manufacturing
Aerospace turbine shrouds | Semiconductor diffusion furnaces | Hydrogen electrolyzer stacks
4. Recycling
Scrap melting furnace hearths | Aluminum dross processing pans
Fabrication Intelligence
Cutting:
Plasma/Laser: Prevents edge carburization | Kerf tolerance ±0.1 mm
Welding:
Filler Metals: ER310. ER310MoL | Interpass temp ≤150°C to avoid sigma phase
Post-Processing:
Solution Annealing: 1.050–1.100°C water quench restores corrosion resistance
Surface Finishes: 2B mill, #8 mirror, or shot-blasted for thermal reflectance
Global Proof of Performance
Saudi Aramco: "310S plates in our ethylene crackers lasted 12 years vs. 7 years for 309."
Indian Steel Plant: "Zero warping in reheating furnace skids after 5.000+ thermal cycles."
French Nuclear Lab: "310S containment vessels showed no intergranular corrosion after 15-year service."
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