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Mitchell Stainless is a reputable manufacturer and supplier of top-notch Stainless Steel 420 Sheets and Plates based in Hamilton, New Zealand. They cater to a variety of industrial sectors with precision-engineered solutions. Renowned for their dedication to quality, the company provides SS 420 products that combine exceptional strength, corrosion resistance, and durability, making them perfect for tough environments. With cutting-edge manufacturing capabilities and a focus on customer satisfaction, Mitchell Stainless guarantees that every sheet and plate adheres to strict quality standards. Their wide range of products, prompt delivery, and technical know-how have established them as a leading supplier of stainless steel materials throughout Hamilton and the broader New Zealand market.
The Stainless Steel 420 Sheets and Plates from Mitchell Stainless are crafted from a high-carbon martensitic stainless steel alloy, which contains around 12–14% chromium, along with trace amounts of manganese, silicon, and sulfur to improve workability. This grade is known for its impressive hardness, tensile strength, and moderate corrosion resistance, particularly when hardened and tempered. SS 420 offers excellent wear resistance and good machinability, making it ideal for applications that demand strength and durability. Its mechanical properties typically feature high tensile strength, solid fatigue resistance, and the potential for superior hardness through heat treatment.
Stainless Steel Sheets and Plates Specification : ASTM A240 / ASME SA240
Dimension Standard : JIS, AISI, ASTM, GB, DIN, EN, etc
Width : 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc
Length : 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc
Thickness : 0.3 mm to 120 mm
Form : Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Surface Finishing : Hot rolled plate (HR), Cold rolled sheet (CR),2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, Chequered, embossed, hair line, sand blast, Brush, etching, SATIN (Met with Plastic Coated) etc.
| Grade | C | Mn | Si | P | S | Cr | Ni |
|---|---|---|---|---|---|---|---|
| 420 | 0.15 max | 1.00 max | 1.00 max | 0.04 max | 0.03 max | min: 12.0 max: 14.0 | – |
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Brinell (HB) |
|---|---|---|---|---|
| Annealed * | 655 | 345 | 25 | 241 max |
| 399°F (204°C) | 1600 | 1360 | 12 | 444 |
| 600°F (316°C) | 1580 | 1365 | 14 | 444 |
| 800°F (427°C) | 1620 | 1420 | 10 | 461 |
| 1000°F (538°C) | 1305 | 1095 | 15 | 375 |
| 1099°F (593°C) | 1035 | 810 | 18 | 302 |
| 1202°F (650°C) | 895 | 680 | 20 | 262 |
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These are stainless steel 420 hot rolled sheets that can offer excellent corrosion resistance and a durability that no other material could. They range from 3mm to 12mm thickness and are most suitable for any application that calls for high strength and good machinability.
Stainless Steel 420 cold rolled plates offer excellent corrosion resistance and a bright finish. These plates are available in thicknesses ranging from 0.5mm to 6mm and are used in precision applications where dimensional accuracy and fine surface finish are critical.
Stainless Steel 420 chequered plates combine excellent corrosion resistance with a textured surface for slip resistance. They are available in thicknesses from 2mm to 8mm and various patterns, and are widely used in flooring and safety applications.
Stainless Steel 420 perforated sheets are corrosion-resistant and have uniform holes for ventilation and aesthetics. They are available in thicknesses from 1mm to 5mm and are used in filtering and architectural applications.
Stainless Steel 420 shim sheets are very corrosion resistant and precise. Generally available in the thickness of 0.1mm to 1mm, these are used for precise spacing and alignment in many engineering and manufacturing applications.
Stainless Steel 420 polished plates have excellent corrosion resistance and a reflective finish. Available in thicknesses ranging from 1mm to 10mm, they are used for decorative and high-visibility applications where aesthetic quality and resistance to oxidation are critical.
Mitchell Stainless is highly concerned with the customer experience and delivers that with adequate documentation of its premium-quality Stainless Steel 420 Sheets and Plates. We deliver to our clients the necessary documents like a commercial invoice, packing list, fumigation certificate, heat treatment chart, quality assurance plan, and NABL-approved lab test report. These documents validate the genuineness and superior quality of our products and, therefore, ensure confidence in our valued customers. In addition, we provide our Stainless Steel 420 Sheets and Plates with different test certificates, including MTC according to EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third Party Inspection Certificate, reflecting our customer-first approach and dedication to excellence.
The Stainless Steel 420 Sheets and Plates provided by Mitchell Stainless find extensive use in industries that require high strength, hardness, and wear resistance. They are commonly used in cutlery, surgical and dental instruments, pump shafts, valves, nozzles, and precision components. Their robust nature makes them suitable for tools, molds, mechanical parts, and machinery components that face moderate corrosion and abrasion. Additionally, SS 420 sheets and plates are utilized in automotive components, industrial equipment, and engineering projects where reliability and durability are essential.
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