Hongtu Metal 310S Grade Stainless Steel Sheet: Superior Corrosion Resistance at Extreme Temperatures
Hongtu Metal introduces its premium 310S grade stainless steel sheets, engineered to deliver exceptional performance in the most demanding high-temperature and corrosive environments. With 25% chromium and 20% nickel content, 310S offers significantly enhanced oxidation resistance and mechanical integrity at temperatures up to 1100°C, making it the preferred choice for heat-intensive industrial applications worldwide.
Exceptional High-Temperature Performance
The 310S austenitic stainless steel grade is specifically designed for sustained elevated temperature service. Its high chromium and nickel content provides superior resistance to oxidation, sulfidation, and carburization, maintaining structural integrity where standard 304 and 316 grades would fail. The low carbon variant (maximum 0.08%) prevents embrittlement from carbide precipitation during extended high-temperature exposure, ensuring long-term reliability in furnace components, heat treatment equipment, and thermal processing systems.
Outstanding Corrosion Resistance
Beyond its high-temperature capabilities, 310S delivers excellent general corrosion resistance across a broad spectrum of environments. The elevated chromium content forms a stable, adherent oxide layer that protects against oxidizing atmospheres, while the high nickel content provides resistance to reducing conditions. This dual protection mechanism makes 310S ideal for chemical processing, petrochemical refining, and power generation applications where both temperature and corrosive media present simultaneous challenges.
Key Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength (0.2% offset) | ≥ 205 MPa |
| Elongation in 50mm | ≥ 40% |
| Hardness (Rockwell B) | ≤ 95 HRB |
| Maximum Service Temperature | 1100°C (continuous), 1035°C (intermittent) |
| Oxidation Resistance Limit | 1100°C |
| Density | 7.98 g/cm³ |
Chemical Composition
| Element | C | Mn | Si | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| 310S | ≤0.08 | ≤2.00 | ≤1.50 | ≤0.045 | ≤0.030 | 24.0-26.0 | 19.0-22.0 |
Fully Customizable Dimensions
Hongtu Metal understands that every project has unique requirements. Our 310S stainless steel sheets are available in fully customizable dimensions to match your exact specifications, eliminating material waste and reducing fabrication costs. Our processing capabilities include precision cutting, edge preparation, and custom sheet sizing for seamless integration into your production workflow.
- Thickness Range: 0.5mm to 60mm, covering thin gauge applications through heavy structural plates
- Width Options: 1000mm, 1219mm, 1250mm, 1500mm, and 2000mm in standard stock
- Length Customization: Cut-to-length from 2000mm to 12000mm per your requirements
- Surface Finishes: No.1 (HRAP), 2B (Cold Rolled), BA (Bright Annealed), No.4 (Brushed), and 8K (Mirror)
Primary Applications
- Furnace Components: Burner nozzles, radiant tubes, retorts, muffles, and conveyor belts in heat treatment furnaces
- Heat Exchangers: Tube sheets and shell components for high-temperature heat recovery systems
- Petrochemical Processing: Reactor internals, catalyst support grids, and thermal cracking furnace parts
- Power Generation: Boiler components, superheater supports, and gas turbine exhaust systems
- Thermal Processing: Annealing boxes, quenching fixtures, and kiln liners
- Cement and Mineral Processing: Preheater cyclones, rotary kiln components, and calciner parts
About Hongtu Metal
Hongtu Metal was founded in 2006 with a registered capital of 27 million US dollars. As a comprehensive, modern enterprise integrating steel production, processing, and international sales, the company has built long-term, stable cooperative relationships with China's premier steel manufacturers including Shandong Iron and Steel Group, Rizhao Iron and Steel, Shanxi TISCO, Baosteel, and Xiwang Special Steel. Hongtu Metal holds first-class agency status with these major mills and has been repeatedly recognized as an Excellent Agent, reflecting its exceptional supply chain position.
Our professional international trade team provides seamless one-stop steel export solutions, handling every aspect from material sourcing and factory inspection to logistics coordination and customs documentation, ensuring our global customers receive premium products with complete supply chain confidence.
Contact Hongtu Metal today to discuss your 310S stainless steel sheet requirements and receive a competitive quotation with fast, reliable delivery worldwide.