Nakamura Stainless stands out as a top-notch manufacturer and supplier based in Pulau Ujong, Singapore, specializing in high-quality stainless steel products tailored for demanding industrial needs. One of their standout offerings, Stainless Steel 440 Bars, is highly sought after for its remarkable hardness, strength, and wear resistance. This high-carbon martensitic stainless steel not only delivers outstanding mechanical performance but also maintains a decent level of corrosion resistance. Nakamura Stainless prides itself on precision manufacturing and strict compliance with international quality standards, ensuring that their Stainless Steel 440 Bars provide long-lasting durability and reliability, even in high-stress and wear-heavy environments.
These Stainless Steel 440 Bars are crafted from martensitic stainless steel, featuring a carbon content between 0.95% and 1.2%, along with a chromium content of 16% to 18%. This specific composition allows for heat treatment that achieves impressive hardness levels (up to 58 HRC) and tensile strength that surpasses 760 MPa. With excellent wear resistance, fatigue strength, and toughness, these bars are perfect for applications that demand high mechanical performance and durability. While their corrosion resistance may not match that of austenitic stainless steels, 440 Bars shine in environments where hardness and strength are paramount.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 440 | min. max. | 0.75 1.20 | – 1 | – 1 | – 0.04 | – 0.03 | 16 18 | – 0.75 | – | – |
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We ensures that all Stainless Steel 440 Bars will meet quality standards; this includes extensive testing and certification. Every batch is inspected thoroughly, including chemical analysis, mechanical tests, and checks on dimensions. Thorough reports are issued at the time of certification that guarantees international standards about performance, durability, and reliability of the products.
440 round bars offer high hardness and wear resistance, ideal for making cutting tools, blades, and industrial components requiring strength and durability in moderate corrosive environments.
440 flat bars are known for their hardness and abrasion resistance, making them suitable for manufacturing components like blades, tools, and mechanical parts in various industrial applications.
440 square bars provide excellent strength and durability, ideal for applications requiring high wear resistance, such as tooling and machinery components, with good performance in moderate corrosive environments.
440 rectangular bars are used in high-strength applications requiring durability and hardness, such as manufacturing tools, bearings, and structural components, offering excellent wear resistance and moderate corrosion resistance.
440 hexagonal bars deliver high hardness and resistance to wear, suitable for applications like cutting tools and industrial machinery components, providing strength and durability in various environments.
440 T-bars offer robust hardness and wear resistance, ideal for structural applications and tooling, providing strength and durability in environments where high performance and resistance to abrasion are required.
Industries that require robust, wear-resistant, and durable materials frequently turn to Stainless Steel 440 Bars. They find common use in aerospace components, automotive parts, defense equipment, tooling, and heavy machinery. Additionally, bearings, pumps, valves, and precision instruments rely on 440 Bars for their hardness and dependability. These bars are also utilized in scenarios involving mechanical stress, abrasion, and moderate exposure to corrosive elements. Thanks to their unique blend of strength, toughness, and wear resistance, Stainless Steel 440 Bars deliver reliable performance in the most demanding industrial and engineering applications.
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