310S Stainless Steel Plate｜Unmatched High-Temperature Performance
✓ Extreme Heat Endurance: Continuous service up to 1150°C (2102°F) with oxidation resistance 3x greater than 304H stainless steel.
✓ Thermal Cycling Mastery: Low carbon content (0.08% max) minimizes carbide precipitation, maintaining ductility through repeated heating/cooling cycles.
✓ Corrosion Defense: Excellent resistance to sulfidation and carburization in hydrocarbon processing environments (NACE TM0112 validated).
✓ Custom Fabrication Ready: Brinell hardness ≤207 HBW, compatible with hot forming and welding (AWS D10.4 compliant procedures).
310S Stainless Steel Plate (UNS S31008)
Engineered for extreme heat resistance, 310S stainless steel plate delivers superior oxidation resistance and creep strength in environments exceeding 1000°C (1832°F). With 25% chromium and 20% nickel alloy composition, it forms a stable protective oxide layer under continuous thermal cycling, outperforming conventional austenitic steels in furnace components, pyrolysis systems, and other ultra-high-temperature applications. Compliant with ASTM A240/ASME SA-240 standards and certified for ASME BPVC Section II use.
– Thickness Range: 1.5mm to 150mm (hot-rolled) / 0.5mm to 6mm (cold-rolled, ±0.02mm tolerance)
– Surface Finishes: Annealed & Pickled (AP), Bright Annealed (BA), or Shot Blasted (SA 2.5)
– Mechanical Properties (Room Temp): Yield Strength ≥205 MPa | Tensile Strength ≥515 MPa | Elongation ≥40%
| Parameter Category | Value/Description |
|---|---|
| Material Grade | UNS S31008 (per ASTM A240) |
| Composition (%) | C≤0.08, Cr 24.0-26.0, Ni 19.0-22.0, Mn≤2.0, Si≤1.5, P≤0.045, S≤0.03 |
| Tensile Strength (MPa) | ≥515 (Annealed) |
| Yield Strength (MPa) | ≥205 (Annealed) |
| Elongation (%) | ≥40 (50mm gauge length) |
| Hardness | Brinell (HB): ≤201; Rockwell (HRB): ≤92 (Annealed) |
| Density (g/cm³) | 8.03 |
| Melting Range | 1400-1450℃ |
| Thermal Conductivity (W/m·K) | 14.2 (20℃) |
| Thermal Expansion (10⁻⁶/℃) | 16.5 (20-100℃) |
| Electrical Resistivity (Ω·m) | 0.78×10⁻⁶ (20℃) |
| Elastic Modulus (GPa) | 200 |
| Magnetic Properties | Non-magnetic (Annealed) |
| Corrosion Resistance | Superior oxidation resistance (up to 1100℃), resistance to sulfidation, hot acidic environments, and molten salts |
| Heat Treatment | Annealing: 1040-1120℃ followed by rapid cooling (water or air quenching) |
| Surface Finishes | 2B (Cold-rolled bright annealed), BA (Bright annealed), No.1 (Hot-rolled annealed), Sandblasted |
| Dimension Range | Thickness: 0.5mm-100mm; Width: 1000mm-2000mm; Length: Custom |
| Standards | ASTM A240/A240M, EN 10095, JIS G4311, GB/T 4238 |
| Applications | High-temperature furnace tubes, heat treatment furnace linings, burner components, petrochemical cracking furnaces, thermocouple protection tubes |
310S Stainless Steel Plate Applications
| Industry | Critical Use Cases | 310S Value Proposition |
|---|---|---|
| Petrochemical | Ethylene cracking tubes, reformer furnace internals | Resists metal dusting up to 600°C (1112°F) in syngas environments. |
| Heat Treatment | Annealing trays, carburizing fixtures | 10,000+ thermal cycles lifespan at 1100°C (2012°F). |
| Power Generation | Boiler combustion chambers, superheater tubes | Withstands 25MPa stress rupture strength at 650°C (1202°F). |
| Aerospace | Jet engine combustion liners, afterburner rings | CTE (Coefficient of Thermal Expansion) optimized for thermal shock resistance. |
310S Stainless Steel Plate Product Packaging
310S Stainless Steel Plates are encased in triple-sealed, anti-static polyethylene wraps to safeguard against scratches, dust, and oxidation during transit. Each plate is interleaved with VCI (Vapor Corrosion Inhibitor) paper, which releases protective molecules to prevent rust formation in humid or saline environments—ideal for coastal construction or chemical industries. Bulk orders are secured on heavy-duty, ISO-certified pallets with reinforced steel edges and weather-resistant shrink wrapping, ensuring stability for high-volume shipments. Eco-conscious customers can choose FSC-certified recycled cardboard sleeves or reusable aluminum crates, reducing landfill waste by 90%. Customizable packaging includes QR-code labels for instant access to ASTM A240 compliance certificates and handling tutorials.
Anti-rust packaging
VCI gas phase anti-rust film + desiccant (12 months moisture-proof for sea transportation)
Reinforcement method
Steel strapping + wooden pallet (load-bearing ≤ 5 tons)
Surface protection
Polyethylene film layered isolation (anti-scratch)
Customization options
IPPC fumigation wooden box (compliant with ISPM15 standard)
Why Choose Us
Where Precision Meets Partnership，25 years of focus on metal material science，Not only a supplier, but also your engineering consultant，Fast and zero compromise，Sustainable trust cycle。
Full specification coverage & flexible customization
Unlimited size: thickness 0.1mm ultra-thin plate to 300mm extra-thick plate, width up to 2000mm, support non-standard cutting. Various surface treatments: 2B, BA mirror, brushed (No.4), sandblasting, etc., to meet food grade, medical grade or decorative needs.
Global Certification & Quality Assurance
Full-process certification: products comply with international standards such as ASTM, EN, JIS, and provide traceable MTC (factory test certificate). Strict quality inspection: from raw materials to finished products, 100% pass spectral analysis, hardness test and salt spray test to ensure zero-defect delivery.
Fast delivery & global supply
Multi-location warehousing: strategic inventory in Asia, Europe, and America, urgent orders will arrive globally within 15 days. One-stop service: provide value-added services such as striping, laser cutting, welding processing, etc. to shorten customer production cycle.
Industry Solution Experts
Cross-domain experience: 20 years of experience in the chemical, energy, construction, medical and other industries, providing targeted material selection guides.
Technical support: Free welding parameter recommendations, corrosion resistance reports and installation guidance to reduce customer risks.
Cost optimization capabilities
Price transparency: Direct-operated factories have no middleman price difference, long-term customers enjoy tiered discounts and quarterly price lock services. Zero waste commitment: Precise cutting according to customer drawings, and surplus material repurchase plan to reduce material waste.
Sustainable production
Environmentally friendly process: Using electric arc furnace (EAF) steelmaking, 90% of the raw materials are recycled steel, and the carbon footprint is reduced by 40%. Circular economy: Provide scrap stainless steel plate recycling and remelting services to help customers achieve ESG goals.
310S Stainless Steel Plate Shipping
Sea transport
40HQ container (loading capacity 28 tons) / bulk carrier (LCL minimum 1 ton)
Air transport
reach major airports around the world within 7 days (DDP/DAP terms)
Land transport
door-to-door within China (qualification for dangerous goods transportation)
Our Services
We guarantee global door-to-door delivery within 7–15 business days via partnerships with DHL, Maersk, and UPS.
FAQ
Q1: How does 310S compare to 309S in high-temperature service?
A: 310S contains 4% more chromium and 6% more nickel, extending maximum continuous service temperature from 980°C (309S) to 1150°C. Oxidation resistance improves by 60% in cyclic environments.
Q2: Can 310S be welded to other stainless grades?
A:Yes, using ER310 or ENiCrFe-3 filler metals. Pre/post-weld heat treatment not required for plates <25mm thickness.
Q3: What surface finish prevents scale buildup?
A1: Shot-blasted SA 2.5 finish reduces hot-scale adhesion by 70% vs polished surfaces. Optional Al-Si diffusion coating available for >90% scale resistance.
Q4: Does 310S require special cutting tools?
A: Use carbide-tipped tools with slow speeds (≤50 m/min for plasma). We provide free CNC machining parameter guides for complex geometries.
Q5: How to verify material authenticity?
Every plate includes:
– Original mill test certificate (MTC) with PMI (Positive Material Identification) data
– Third-party SGS inspection report for Cr/Ni/C content verification
– Holographic anti-counterfeit label with blockchain-verifiable history
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