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Situated in the heart of Hamilton, Will Sheetsandplates is your trusted local source for high-performance stainless steel. We pride ourselves on supplying top-quality Stainless Steel 304H sheet and plate, backed by expert knowledge and a commitment to supporting New Zealand’s industrial and construction sectors. Whether your project is large or small, our team is dedicated to providing the materials you need with outstanding service, ensuring you have the right grade for demanding applications that require superior strength and durability.
The strength of 304H lies in its carefully balanced composition, which includes a slightly higher carbon content than standard 304. This specific formulation is designed to enhance its strength at elevated temperatures, making it exceptionally resistant to creep. This means the material maintains its structural integrity under sustained stress in high-heat environments. This combination of excellent mechanical properties and corrosion resistance makes it a reliable choice for tough industrial settings.
| ASTM Specification | ASTM A240 / ASME SA240 |
|---|---|
| Standard | MSRR, AMS, BS, ASTM A240 / ASME SA240 |
| Length & Sizes | 1000 mm x 2000 mm, 1000 mm x 2000 mm, 1220 mm x 2440 mm, 1250mm x 2500mm, 1500mm x 3000mm to 6000mm, 2000mm x 4000mm to 6000mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm, 2m, 2.44m, 3m, 36″ X 120″ or 48″ X 144″, 4′ x 8′, Cut to size available |
| Thickness | 0.1mm to 100 mm Thk |
| Width | 10-2500mm |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc. |
| Temper | Annealed |
| Condition | Polished on both sides |
| Finish | Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated) |
| Stock in form of | Plate, Sheet, Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Clad Plate, Rolling Sheet, Flat Sheet, Rolling Plate, Flat Shim, Blank (Circle), hot rolled, cold rolled, annealed, soft annealed, descaled, sheared, tread plate, Checker Plate |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Dealers & Distributor of | SAIL, ESSAR, JINDAL, TATA, BHUSHAN, INDIAN, POSCO, JISCO, TISCO, LISCO, BAOSTEEL IMPORTED material |
| Test Report |
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| Profiling | To provide a full profiling service we use numerous profiling methods including:
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| Specialized in |
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| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 10.5 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 304H | 1.4948 | S30409 |
| Thickness | Plate Weight per Unit Area | Density |
|---|---|---|
| 3/16 inches | 0.06000 lbs/in²42.184176 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/4 inches | 0.08 lbs/in²56.245568 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/8 inches | 0.121 lbs/in²85.0714216 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1/2 inches | 0.161 lbs/in²113.1942056 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 5/8 inches | 0.196 lbs/in²137.8016416 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3/4 inches | 0.235 lbs/in²165.221356 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 7/8 inches | 0.274 lbs/in²192.6410704 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 inches | 0.313 lbs/in²220.0607848 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/4 inches | 0.391 lbs/in²274.9002136 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 1/2 inches | 0.47 lbs/in²330.442712 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 1 3/4 inches | 0.549 lbs/in²385.9852104 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 inches | 0.627 lbs/in²440.8246392 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/4 inches | 0.705 lbs/in²495.664068 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 1/2 inches | 0.784 lbs/in²551.2065664 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 2 3/4 inches | 0.862 lbs/in²606.0459952 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
| 3 inches | 0.941 lbs/in²661.5884936 kg/m² | 0.315 lbs/in³8.72 g/cm³ |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless steel 304H sheets and plates offer many benefits, including excellent corrosion resistance, making them ideal for harsh environments. Due to their strength and durability, they are well suited for high temperature applications, especially in industries such as fuel and power generation. The material is highly resistant to oxidation and scaling, providing durability and reliability. Their ease of manufacture, form, and weldability allow them to be used in a variety of architectural and industrial applications. In addition, 304H offers excellent resistance to chloride-induced stress corrosion cracking, making it an excellent choice for harsh conditions
Stainless Steel 304H sheet and plate are ideally suited for applications where both corrosion resistance and high-temperature performance are paramount. You’ll commonly find this grade in critical components like pressure vessels, heat exchangers, and boilers within the power generation and chemical processing industries. Its reliability also makes it a perfect fit for high-temperature fabrication projects, large industrial ovens, and parts for the food processing sector. Essentially, it’s the go-to material for situations where ordinary stainless steel simply wouldn’t hold up over time.
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