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High-Temp 304H & 316H Stainless Steel Laser Cut Blanks for Petrochemical, Power, and Exhaust Systems
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xΛεπτομέρειες
| Products | stainless steel plate | Grade | 304H 316H |
|---|---|---|---|
| Standard size | 1500*6000mm | Thickness | 2.0 - 40.0mm |
| Brand | TISCO BAOSTEEL POSCO LISCO | Loading Port | Shanghai Port |
| MOQ | 500 kgs | Packing | wooden pallets + waterproof paper |
| Επισημαίνω | High-Temp 304H stainless steel blanks,316H stainless steel laser cut blanks,Stainless steel plate for petrochemical systems |
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Περιγραφή προϊόντων
High-Temp 304H & 316H Stainless Steel Laser Cut Blanks for Petrochemical, Power, and Exhaust Systems
Products Specification
| Products | 304H 316H Stainless Steel Plate |
| Thickness | 1.0- 40.0mm |
| Width | 1000mm 1219mm 1500mm 1800mm 2000mm or other width as request |
| Length | 2000mm 2438mm 3000mm 6000mm or other length as request |
| Grade | 201 202 301 304 304L 304H 309S 310S 316L 316Ti 317L 321 347 409L 410 420 430 431 436L 439 441 443 444 2205 2507 904L 600 625 800 825 718 253MA 254SMO.etc |
| Service | Laser Cutting, Surface processing, bending |
| Brand | TISCO BAOSTEEL POSCO LISCO JISCO |
| Standard | ASTM JIS GB DIN EN BS |
| Certificate | ISO MTC C/O F/E |
| Packing | Wooden pallets and waterproof paper |
| Deliver time | 5 - 15 days |
| Loading port | Shanghai Port |
High-Temp 304H & 316H Stainless Steel Laser Cut Blanks for Petrochemical, Power, and Exhaust Systems
In demanding industrial environments—such as petrochemical refineries, power generation plants, and high-performance exhaust systems—material integrity under extreme temperatures and corrosive conditions is non-negotiable. 304H and 316H stainless steel laser cut blanks offer the ideal combination of elevated-temperature strength, corrosion resistance, and precision manufacturability required for these critical applications. Engineered for performance where standard grades fall short, these high-carbon variants of austenitic stainless steels are specifically designed to meet the stringent demands of high-heat service.
Why Choose 304H & 316H for High-Temperature Applications?
Both 304H (UNS S30409) and 316H (UNS S31609) are “H” grades of their respective base alloys—304 and 316—with controlled higher carbon content (typically 0.04–0.10%) to enhance high-temperature tensile strength and creep resistance. This makes them suitable for continuous service at temperatures up to 870°C (1600°F), far exceeding the capabilities of standard 304L or 316L.
- 304H: Offers excellent oxidation resistance and good strength at elevated temperatures. Ideal for boiler components, heat exchangers, and furnace parts.
- 316H: Contains molybdenum (2–3%), which significantly improves resistance to pitting and crevice corrosion—especially in chloride-rich environments like coastal power plants or chemical processing units.
When combined with precision laser cutting, these materials can be fabricated into complex geometries with tight tolerances, minimal heat-affected zones (HAZ), and smooth edge finishes—critical for weld preparation and system integrity.
Precision Laser Cutting: Tailored to Your Engineering Needs
Our advanced fiber laser cutting systems deliver micron-level accuracy on 304H and 316H stainless steel plates from 0.5 mm up to 25 mm thick. Whether you need simple washers, intricate flanges, manifolds, or custom exhaust brackets, our process ensures:
- ±0.1 mm dimensional tolerance
- Narrow kerf width (~0.1–0.3 mm)
- Smooth, burr-free edges requiring no secondary finishing
- No mechanical stress or tool wear, preserving material properties
- Rapid prototyping to high-volume production
All blanks are cut from mill-certified, ASTM/ASME-compliant 304H and 316H plate stock, traceable to heat number, and available in hot-rolled (HR) or cold-rolled (CR) finishes per your specification.
Key Applications by Industry
| Industry | Typical Components | Why 304H / 316H? |
|---|---|---|
| Petrochemical | Reactor internals, distillation trays, piping spools, valve bodies | Resists sulfidation, carburization, and thermal cycling in refining units |
| Power Generation | Superheater tubes, boiler supports, turbine casings, flue gas ducts | Maintains structural integrity at 600–800°C; resists steam oxidation |
| Exhaust Systems | Manifolds, turbo housings, catalytic converter shells, muffler components | Withstands thermal fatigue and oxidation from repeated heating/cooling cycles |
| Industrial Furnaces | Radiant tubes, retorts, burner nozzles, expansion joints | Excellent scaling resistance up to 900°C |
Material Comparison: 304H vs. 316H
| Property | 304H Stainless Steel | 316H Stainless Steel |
|---|---|---|
| UNS Number | S30409 | S31609 |
| Carbon (min) | 0.04% | 0.04% |
| Chromium | 18–20% | 16–18% |
| Nickel | 8–10.5% | 10–14% |
| Molybdenum | — | 2–3% |
| Max Service Temp (Continuous) | ~870°C (1600°F) | ~870°C (1600°F) |
| Corrosion Resistance | Good in oxidizing atmospheres | Superior in chlorides, acids, and marine environments |
| Typical Standards | ASTM A240, ASME SA-240, EN 10088-2 | ASTM A240, ASME SA-240, EN 10088-2 |
| Common Use Case | Non-corrosive high-temp parts (e.g., boiler tubes) | Corrosive + high-temp environments (e.g., offshore platform exhaust) |
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