Harshita Stainless is a trustworthy manufacturer and exporter of Stainless Steel 440 Bars in Delhi, India. They are members of the high-carbon martensitic stainless steel group that provides outstanding hardness, wear resistance, and strength. SS 440 is commonly applied in sharp edge and high durability requirement applications. The bars are produced in types 440A, 440B, and 440C with different carbon composition. Harshita Stainless provides strict dimensional tolerance and better finish, as per ASTM A276 specifications. The bars are applied in tool making, cutlery, valve fittings, and industrial pieces throughout India.
SS 440 Bars contain chromium (16–18%) and carbon (0.6–1.2%, grade varying). Type 440C, the hardest, provides a tensile strength of 760–950 MPa and Rockwell hardness up to HRC 60 after heat treatment. It possesses good resistance to corrosion in mild environments and very good wear resistance. The bars can be hardened and tempered for application in very demanding mechanical applications.
| 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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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.
Stainless Steel 440 Bars are extensively used in blades of knives, surgical equipment, molds, bearings, and valve seats. Due to their high hardness and edge retention, they find suitable applications in cutting tools, nozzles, and precision parts. In engineering and industrial applications, they are used in wear and abrasion-resistant components. SS 440 bars also have applications in aerospace, automotive components, and textile applications. Harshita Stainless offers superior–quality 440 bars to Delhi and India, satisfying customer requirements for hardness, strength, and durability in precision machine parts.
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