What Is SUS304H Stainless Steel Foil ？
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Are you looking for high-quality SUS304H stainless steel foil for your industrial projects? SUS304H stainless steel foil is a high-carbon austenitic stainless steel designed to enhance creep strength at high temperatures while maintaining excellent corrosion resistance and mechanical properties. There is a growing demand for high-temperature and corrosion-resistant stainless steel foil in industries such as chemical processing, heat exchangers, furnace components, and electronics.
what is SUS304H stainless steel foil ?
SUS304H Stainless Steel Foil is a thin sheet of high-carbon, austenitic stainless steel (a variation of standard 304), specifically engineered for high-temperature performance, offering enhanced creep strength, ductility, and structural integrity in demanding, hot industrial environments like power plants, heat exchangers, and petrochemical setups. The "H" signifies its controlled high carbon content (0.04-0.10%), which boosts strength at temperatures above 427°C (800°F), making it ideal for sustained heat, though its weld-affected zones can be susceptible to sensitization in aqueous conditions.
What is the difference between 304 and 304H stainless steel?
Compared with 304 and 304L 304H, just different carbon content. 304 within the carbon content of 0.08%, 304H between the carbon content is 0.04-0.1%, 304H carbon content of 0.035%, the content of other elements basically no difference.
Chemical Composition of SUS304H
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.04 – 0.10 |
| Chromium (Cr) | 18 – 20 |
| Nickel (Ni) | 8 – 10.5 |
| Manganese (Mn) | ≤ 2.0 |
| Silicon (Si) | ≤ 1.0 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.03 |
| Iron (Fe) | Balance |
Mechanical Properties of SUS304H Foil
| Property | Value |
|---|---|
| Tensile Strength | 515 – 750 MPa |
| Yield Strength (0.2%) | ≥ 205 MPa |
| Elongation | ≥ 40% |
| Hardness | ≤ 95 HRB |
| Max Service Temperature | ~870°C (continuous) |
SUS304H Stainless Steel Foil Sizes
| Parameter | Your Inquiry | Standard Options |
|---|---|---|
| Thickness | 0.12 mm | 0.05 – 0.5 mm |
| Width | 600 mm | 300 – 1000 mm |
| Length | 800 mm | 500 – 2000 mm |
| Quantity | 100 pieces | Custom orders available |
| Surface Finish | BA / Bright Annealed | Mirror / Matte / Brushed |
| Packaging | Sheet pack | Protective film or custom crates |
Can SUS304H foil replace SUS304 in high-temperature applications?
Yes. SUS304H has higher carbon content than SUS304, improving creep strength and high-temperature durability, making it ideal for furnace and heat exchanger use.
Is SUS304H foil easy to cut and form?
Yes. Despite higher carbon content, the foil remains flexible and workable, especially in thicknesses ≤0.2 mm.
GNEE owns its own cold rolling production line, offering prices 15% to 20% lower than intermediaries. Standard thickness products are shipped within 48 hours, and we support customization (ODM/OEM). We provide full-spectrum testing, SGS material reports, and RoHS certification. We use export-grade moisture-proof packaging and offer various transportation options including land, sea, and air freight.
Our 304H stainless steel foil is acid and alkali resistant, high-temperature oxidation resistant, and rust-proof. It does not corrode during long-term use and has a lifespan more than three times longer than ordinary metal foils. Lead-free and cadmium-free, our food-grade 304 stainless steel foil is widely used in tableware, kitchenware, and medical packaging. Thicknesses from 0.03mm to 0.2mm are customizable, with a tensile strength of ≥520MPa. It supports precision stamping and bending, meeting the precision processing requirements of electronic shielding covers, sensor components, and other applications.
FAQ
Q: What surface finishes are available for SUS304H foil?
Common finishes include BA (Bright Annealed), No.4 brushed, and mirror, depending on application requirements.
Q: Are there certifications available?
Yes. We provide EN 10204 3.1, ISO 9001, SGS, and mill test certificates, ensuring compliance with international standards.
Q: Can you supply custom sizes and quantities?
Absolutely. Foils can be cut to exact dimensions, with minimum orders from 50 sheets up to bulk industrial supply.
