Nakamura Stainless is a reputable manufacturer and supplier based in Pulau Ujong, Singapore, known for its top-notch stainless steel products that are built to last, resist corrosion, and perform reliably. One of their standout offerings is the Stainless Steel 405 Nuts, which are highly regarded for their impressive oxidation resistance, decent corrosion resistance, and solid mechanical strength. This ferritic stainless steel grade is a dependable choice for various applications, including automotive, industrial, and HVAC sectors. With a commitment to international standards, Nakamura Stainless guarantees that their Stainless Steel 405 Nuts provide secure, durable, and efficient fastening solutions suitable for a wide array of engineering and industrial needs.
These Stainless Steel 405 Nuts are made from ferritic stainless steel that contains 11–13% chromium, along with low carbon content (maximum 0.08%) and trace amounts of titanium to boost corrosion resistance and prevent sensitization. This unique composition results in good tensile strength, toughness, and resistance to oxidation even at higher temperatures. The ferritic structure contributes to dimensional stability, durability, and reliable performance in moderately corrosive and high-temperature environments.
|
C |
Cr |
Fe |
Mn |
Si |
S |
P |
Ni |
Al | |
|
405 |
0.08 max |
min: 11.5 max: 14.5 |
balance |
1.0 max |
1.0 max |
0.03 max |
0.04 max |
0.50 max |
min: 0.1 max: 0.3 |
|
Grade |
Tensile Strength ksi (MPa) min |
Yield Strength 0.2% offset ksi (MPa) min |
Elongation (% in 50mm) min |
Hardness (Brinell) MAX |
Hardness (Rockwell B) MAX |
|
405 |
60 (415) |
25 (170) |
20 |
179 |
88 |
|
Denstiy lbm/in3 |
Coefficient of Thermal Expansion (min/in)-°F |
Thermal Conductivity BTU/hr-ft-°F |
Specific Heat BTU/lbm -°F |
Modules of Elasticity (annealed)2-psi |
|
|
at 68 °F |
at 68 – 212°F |
at 68 – 1832°F |
at 200°F |
at 32 – 212°F |
in tension (E) |
|
0.279 |
9.2 |
20.5 |
416 |
0.11 |
28 x 106 |
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A corrosion-resistant product, Stainless Steel 405 nuts are available in sizes ranging from M6 to M64. These nuts are designed for moderate corrosion and oxidation resistance, making them ideal for automotive and thermal processing applications.
A corrosion-resistant product, Stainless Steel 405 coupling nuts are designed to connect two male threads. Available in sizes from M6 to M36, they offer excellent strength and durability for extended thread length connections in moderate corrosion environments.
A corrosion-resistant product, Stainless Steel 405 nylon insert nuts, also known as lock nuts, come in sizes from M3 to M36. They feature a nylon collar that prevents loosening due to vibration, providing secure fastening in various industrial applications.
A corrosion-resistant product, Stainless Steel 405 flange hex nuts have an integrated washer-like flange. Available in sizes from M5 to M20, these nuts distribute the load over a larger area, reducing the risk of damage and ensuring a secure fit.
A corrosion-resistant product, Stainless Steel 405 heavy hex nuts are characterized by their thicker and larger size, providing increased strength. Sizes range from M10 to M48, making them suitable for heavy-duty applications requiring robust and secure fastening.
A corrosion-resistant product, Stainless Steel 405 square nuts offer a larger surface area in contact with the part being fastened, reducing the risk of deformation. Available in sizes from M6 to M30, they are ideal for use in tight spaces and heavy clamping applications.
Stainless Steel 405 Nuts find extensive use in industries that demand strong, corrosion-resistant, and heat-tolerant fastening solutions. They’re commonly found in automotive exhaust systems, mufflers, catalytic converters, industrial machinery, and HVAC systems. Additionally, these nuts are utilized in ducting, furnaces, and other applications that face moderate corrosion and elevated temperatures. Thanks to their blend of strength, durability, and oxidation resistance, Stainless Steel 405 Nuts deliver dependable and long-lasting performance in challenging industrial settings.
Stainless Steel 405 nuts are used in automotive exhaust systems, thermal processing equipment, and applications requiring moderate corrosion and oxidation resistance. Their good mechanical properties and enhanced machinability make them suitable for high-temperature environments and components that undergo stress and vibration.







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