Nakamura Stainless is a well-respected manufacturer and supplier based in Pulau Ujong, Singapore, focusing on high-quality stainless steel products tailored for industries that prioritize strength, precision, and durability. One standout in their lineup is the Stainless Steel 440B Fasteners, which are prized for their remarkable hardness, wear resistance, and mechanical strength. Crafted from high-carbon martensitic stainless steel, these fasteners deliver dependable performance even under heavy loads and in moderately corrosive environments. Nakamura Stainless is committed to precision manufacturing and strictly follows international quality standards, ensuring that their fastening solutions are both long-lasting and reliable for automotive, aerospace, defense, and industrial applications.
The Stainless Steel 440B Fasteners are made from martensitic stainless steel that contains 16–18% chromium and 0.75–0.95% carbon. This specific composition allows for heat treatment, resulting in impressive hardness and tensile strength, which translates to excellent wear resistance and durability. While their corrosion resistance may not match that of austenitic stainless steels, 440B fasteners shine in high-stress situations thanks to their outstanding mechanical properties, toughness, and wear resistance.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.74 g/cm3 | 0.280 lb/in³ |
| Melting point | 1482°C | 2700°F |
|
C
|
Si
|
Mn
|
P
|
S
|
N
|
Cr
|
Cu
|
Mo
|
Ni
|
Ti
|
V
|
|---|---|---|---|---|---|---|---|---|---|---|---|
|
0,85 – 0,95
|
–
|
–
|
–
|
–
|
–
|
17,00 – 19,00
|
–
|
0,90 – 1,30
|
–
|
–
|
0,07 – 0,12
|
| 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 | 9 |
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Highly resistant to corrosion, Stainless Steel 440B Nuts are designed for high-strength applications. Available in sizes ranging from M3 to M24, they are precision-manufactured to ensure reliable performance and durability.
Stainless Steel 440B Stud Bolts offer excellent corrosion resistance and are ideal for demanding environments. Typically available in lengths from 50mm to 500mm and diameters from M6 to M30, they provide robust fastening solutions for various industrial applications.
Stainless Steel 440B Bolts exhibit superior corrosion resistance and are suitable for harsh conditions. They come in sizes from M6 to M30 and lengths ranging from 10mm to 300mm. Their high strength and durability make them ideal for critical applications.
With excellent corrosion resistance, Stainless Steel 440B threaded rods are used in heavy-duty applications. They are available in lengths from 100mm to 2000mm and diameters ranging from M6 to M30, offering versatility and strength in fastening solutions.
Stainless Steel 440B screws provide high corrosion resistance and are used in various applications. Sizes range from M3 to M20, with 10mm to 150mm lengths. They are known for their strength and reliability in tough environments.
Stainless Steel 440B washers offer exceptional corrosion resistance, crucial for distributing loads and reducing friction. They are available in sizes from M3 to M30, with standard thicknesses that ensure durability and performance in high-stress applications.
These fasteners are commonly utilized in scenarios that require secure fastening under mechanical stress and conditions that involve significant wear. You’ll find them in automotive assemblies, aerospace components, defense equipment, and heavy machinery. They also enhance the durability of industrial tools, pumps, valves, and mechanical assemblies. Moreover, they are ideal for precision instruments and equipment that face moderate corrosion and heavy loads. With their unique blend of strength, toughness, and wear resistance, Stainless Steel 440B Fasteners ensure reliable and enduring performance in demanding industrial settings.
Stainless Steel 440B Fasteners are known for their high durability. Moderate corrosion resistance and excellent wear resistance making them ideal for applications requiring durability and durability. Common applications include manufacturing bearings, surgical instruments, valves. And the automotive, aerospace and aerospace industries. The ability to withstand high temperatures and resist corrosion makes them suitable for harsh environments where reliability and longevity are crucial.
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