Kyaw Stainless is a reputable manufacturer and supplier based in Naypyidaw, Myanmar, specializing in top-notch Stainless Steel 440 Bars. These bars are celebrated for their impressive hardness, strength, and resistance to corrosion. Designed to excel in tough industrial settings, they promise a long service life and precise dimensions. Kyaw Stainless is committed to upholding rigorous quality standards and utilizing advanced manufacturing techniques to create products that are both durable and dependable. Stainless Steel 440 Bars are perfect for applications that demand high wear resistance and toughness, making them suitable for a wide range of engineering, mechanical, and structural uses.
These bars primarily consist of iron, with 16–18% chromium and 0.60–1.20% carbon, along with trace amounts of manganese, silicon, and molybdenum. As part of the martensitic stainless steel family, they boast high hardness, excellent wear resistance, and good corrosion resistance after undergoing heat treatment. In terms of mechanical properties, these bars have a tensile strength of about 760–800 MPa and a yield strength of roughly 450 MPa, ensuring strong edge retention and dimensional stability even under pressure.
| 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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Stainless Steel 440 Bars are extensively employed in aerospace, automotive, medical, and manufacturing industries because of their superior hardness and wear resistance. They are frequently used to manufacture bearings, cutting tools, surgical instruments, pump shafts, and high-precision industrial parts demanding enhanced durability. The bars are also applied in marine, food processing equipment, and structural parts exposed to severe conditions. Their strength retention at high and low temperatures makes them perfect for heavy-duty use in demanding mechanical and engineering industries.
High hardness and wear resistance, ideal for making cutting tools, blades, and industrial components requiring strength and durability in moderate corrosive environments.
Their hardness and abrasion resistance, making them suitable for manufacturing components like blades, tools, and mechanical parts in various industrial applications.
Excellent strength and durability, ideal for applications requiring high wear resistance, such as tooling and machinery components, with good performance in moderate corrosive environments.
High-strength applications requiring durability and hardness, such as manufacturing tools, bearings, and structural components, offering excellent wear resistance and moderate corrosion resistance.
High hardness and resistance to wear, suitable for applications like cutting tools and industrial machinery components, providing strength and durability in various environments.
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.
Stainless Steel 440 Bars find extensive use in various applications, including pump shafts, valve components, surgical instruments, bearings, and cutting tools, thanks to their remarkable hardness and wear resistance. They are also employed in the aerospace, automotive, and marine sectors for parts that face high stress and abrasion. Furthermore, these bars are essential in food processing and mechanical equipment where precision and durability are crucial. Kyaw Stainless guarantees that its 440 Bars provide reliable performance, longevity, and outstanding strength for a variety of industrial applications.
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