Ranya Stainless, a top-notch manufacturer and supplier based in Muscat, Oman, specializes in high-quality Stainless Steel 440 Bars designed for demanding applications that require exceptional hardness and wear resistance. These bars are renowned for their impressive strength and ability to endure tough working conditions, making them a go-to choice across various industries that prioritize precision and durability. Ranya Stainless takes pride in ensuring that each bar meets international quality standards, resulting in products that boast excellent machining properties, corrosion resistance, and a long lifespan. With a strong commitment to customer satisfaction and dependable supply, the company offers Stainless Steel 440 Bars that are perfect for industrial, mechanical, and engineering applications throughout Oman.
Stainless Steel 440 Bars are crafted with a high carbon content and chromium, which gives them remarkable hardness and strong resistance to corrosion. This martensitic stainless steel grade is known for its excellent tensile strength, impressive wear resistance, and the capability to achieve high hardness levels through heat treatment. Mechanically, SS 440 Bars provide outstanding edge retention, enhanced fatigue strength, and reliable performance in high-stress environments. Their unique blend of hardness, durability, and moderate corrosion resistance makes them ideal for precision tools and components that require long-lasting reliability.
Grade | UNS No | Old British | Euronorm | Swedish SS | Japanese JIS | ||
|---|---|---|---|---|---|---|---|
BS | En | No | Name | ||||
440 | S44000 | – | – | – | X105CrMo17 | – | SUS 440 |
| 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 | – | – |
|
Tempering Temperature (°C) |
Tensile Strength (MPa) |
Yield Strength 0.2% Proof (MPa) |
Elongation (% in 50mm) |
Hardness Rockwell (HR C) |
Impact Charpy V (J) |
|
Annealed* |
758 |
448 |
14 |
269HB max# |
– |
|
204 |
2030 |
1900 |
4 |
59 |
9 |
|
260 |
1960 |
1830 |
4 |
57 |
9 |
|
316 |
1860 |
1740 |
4 |
56 |
9 |
|
371 |
1790 |
1660 |
4 |
56 |
Contact us to get a quick quote for your requirement.
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.
These Stainless Steel 440 Bars are widely utilized in situations where high hardness and wear resistance are crucial. They’re commonly found in the production of cutting tools, knives, industrial blades, and surgical instruments due to their exceptional edge retention. In the mechanical and engineering sectors, these bars are used for pump shafts, bearings, valve components, and high-strength machine parts. SS 440 Bars also play a role in automotive components, molds, and heavy-duty equipment that face abrasion and repeated stress. Their outstanding mechanical properties and durability make them a perfect fit for demanding industrial environments.







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