Kyaw Stainless is a reputable manufacturer and supplier based in Naypyidaw, Myanmar, focusing on top-notch Stainless Steel 440C Fasteners. These fasteners are designed to offer outstanding hardness, strength, and resistance to corrosion, making them perfect for tough industrial settings. With a strong dedication to precision manufacturing and adherence to international quality standards, Kyaw Stainless provides dependable fastening solutions that excel under high stress and wear conditions. Their Stainless Steel 440C Fasteners are celebrated for their exceptional durability, precise dimensions, and resistance to abrasion, making them a go-to choice for critical mechanical and structural applications.
These fasteners are primarily made of iron, with 16–18% chromium, 0.95–1.20% carbon, and trace amounts of manganese, silicon, and molybdenum. This martensitic stainless steel grade boasts impressive hardness, wear resistance, and moderate corrosion resistance. After undergoing heat treatment, these fasteners can achieve a tensile strength of up to 760–800 MPa and a yield strength of around 450 MPa. They also offer excellent mechanical stability, superior edge retention, and the capability to perform well under high-temperature and high-load conditions.
Specification : ASTM A193 / ASME SA193
Dimensions : ASME B18.2.1, ASME B18.3, DIN 931, DIN 933, DIN 934, DIN 7991, DIN 976
Standard : DIN, GB, BS, ISO, IS, JIS, ASTM, ASME, EN, etc.
Size : M02 to M33
Length : 3 mm to 200 mm
Threads : ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Machine Screw, Socket Head Cap Screw, Allen Cap screw, Wing Screw, Washers, Spring Washers, Studs, Anchors, Marine Anchors, Nut, Hexagon Nut, Hex Nut, Hex Coupling Nut, Hex Domed Cap Nuts, Square Nut, Stud Bolts, Hex Head Bolts, Socket Hexagon Head Screw Anchor Bolt, U- Bolts, J Bolts, Mushroom Head Square Neck Bolts, T-Head Bolts, Wing Screw, Eye Bolt, Foundation Bolts, Structural Bolts.
| Grade | C | Mn | Si | P | S | Cr | |
| 440C | min. | 0.95 – 1.20 | – | – | – | – | 16.0 |
| max. | 0.12 | 1.0 | 1.00 | 0.04 | 0.030 | 18.0 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 440C | 758 | 448 | 14 | 95 | – |
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High corrosion resistance and excellent strength due to the high carbon content. They are available in sizes ranging from M3 to M48 and meet various industrial standards for dimensions and tolerances.
Exceptional corrosion resistance and high tensile strength. They come in diameters from M6 to M30 and lengths from 50mm to 1000mm, suitable for demanding applications requiring precision and durability.
Ideal for harsh environments and offer superior corrosion resistance and high strength. They are available sizes from M5 to M36, with varying lengths and thread specifications to meet diverse application needs.
Excellent corrosion resistance and high tensile strength. They are typically available in diameters from M6 to M30 and lengths up to 3000mm, suitable for use in various industrial settings.
Corrosion resistance and high strength. Commonly available in sizes from M3 to M20, lengths varying based on application needs, they are ideal for precision and heavy-duty fastening tasks.
Corrosion resistance and durability, making them ideal for distributing loads and protecting surfaces. They are available in sizes from M3 to M36 and come in various thicknesses to meet specific application needs. Their robust properties ensure reliable performance in demanding environments.
Stainless Steel 440C Fasteners are considerably used in aerospace, automotive, marine, and heavy industry applications on account of their high strength coupled with great wear and corrosion resistance. They are widely applied in high-pressure machinery, power generation equipment, and precision devices requiring superior mechanical performance. They are also used in defense, medical devices, and food processing equipment where resistance to harsh conditions is necessary. They are suitable for fastening parts in severe industrial conditions due to their resistance to high temperatures and mechanical stress, which guarantees reliability and long-term performance.
Stainless Steel 440C Fasteners find their place in various industries, including aerospace, automotive, marine, and chemical processing, thanks to their remarkable hardness and corrosion resistance. They are also perfect for precision equipment, valves, pumps, molds, and instruments that face high wear or pressure. Additionally, these fasteners are used in food processing and pharmaceutical machinery due to their clean surface finish and durability. With Kyaw Stainless’s 440C Fasteners, you can count on long-lasting performance, making them ideal for critical engineering and industrial applications that demand high reliability.
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