Nakamura Stainless is a top-notch manufacturer and supplier located in Pulau Ujong, Singapore, dedicated to delivering high-quality stainless steel products across various industries. The company has built a solid reputation for its focus on precision, reliability, and ensuring customer satisfaction. Among its extensive product lineup, the Stainless Steel 321H Nuts stand out, engineered to endure extreme conditions. These nuts are crafted with exceptional corrosion resistance, high-temperature strength, and durability in mind. Trusted by industries that prioritize performance and safety, Nakamura Stainless guarantees that its Stainless Steel 321H Nuts comply with international standards, making them a perfect fit for critical applications in demanding environments.
The composition of Stainless Steel 321H Nuts primarily includes iron, chromium (17–19%), nickel (9–12%), and titanium, which is added in amounts at least five times the carbon content to boost stability. This unique blend offers remarkable resistance to intergranular corrosion at elevated temperatures and safeguards against stress corrosion cracking. With a tensile strength of around 515 MPa and a yield strength close to 205 MPa, these nuts also demonstrate good toughness, oxidation resistance, creep strength, and weldability, ensuring they perform exceptionally well in harsh operating conditions while maintaining their structural integrity and dimensional stability.
| Specifications Of | 321H Stainless Steel Nuts |
|---|---|
| Length Sizes | 3 millimeter to 200 millimeter |
| Head Type | Hex, Square |
| Head Style | Hex, Square |
| Standard | ASME B18.2.2 ASME B16.5 ASME B18.5 ANSI B 18.2.4 2M DIN = DIN 931, DIN 933, DIN 934, DIN 970 ISO = ISO 4033, ISO 4032, JIS UTS = UNF, NPTF, NPT, UNC, UNEF, UNS |
| Surface Coating | Hot Dipped Galvanizing Coated Nuts Phosphate Coated Nuts Zinc Coated Nuts Cadmium Coated Nuts Teflon Coated Nuts Xylon Coated Nuts |
| Type Of Nuts | Coupling Nuts, Serrated Flange Locknuts, Square Nuts, Heavy Hex Nuts, Flange Nuts |
Grade | Mn | N | P | C | S | Cr | Mo | Si | Ni | Other | |
Stainless Steel 321H Nuts | minimum maximum | 2.00 | – | 0.045 | 0.04 0.10 | 0.030 | 17.0 19.0 | – | 0.75 | 9.0 12.0 | Ti=4(C+N) 0.70 |
Grade | Tensile Strength (MPa) minimum | Yield Strength 0.2% Proof (MPa) minimum | Elongation (% in 50mm) minimum | Hardness | |
Rockwell B (HR B) maximum | Brinell (HB) maximum | ||||
321H Stainless Steel Fasteners | 515 | 205 | 40 | 95 | 217 |
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Corrosion-resistant product ideal for high-temperature applications. Stainless Steel 321H Nuts are available in sizes from M6 to M36, designed for use in aerospace and chemical processing environments, offering excellent heat and oxidation resistance.
Stainless Steel 321H Coupling Nuts are used to connect threaded rods in high-temperature settings. Sizes range from M6 to M36, suitable for applications in chemical processing and aerospace where heat resistance and durability are essential.
Stainless Steel 321H Nylon Insert Nuts feature a nylon insert to prevent loosening under high temperatures. Available in sizes from M6 to M24, they are ideal for applications in industrial machinery and exhaust systems where stability and heat resistance are crucial.
Stainless Steel 321H Flange Hex Nuts provide enhanced load distribution with their integrated flanges. Sizes range from M6 to M24, making them suitable for high-temperature environments like chemical processing and aerospace, offering both strength and corrosion resistance.
Stainless Steel 321H Heavy Hex Nuts are designed for high-stress and high-temperature applications. Available in sizes from M6 to M36, they are used in industrial machinery and aerospace components, providing exceptional strength and heat resistance.
Stainless Steel 321H Square Nuts offer a large surface area for effective torque application. Sizes range from M6 to M24, suitable for high-temperature and industrial applications, ensuring durability and stability in demanding environments.
We ensure complete documentation for our Stainless Steel 321H Nuts, which means transparency and reliability. Our documents include a commercial invoice, a packaging list, a fumigation certificate, a heat treatment chart, and a quality assurance plan. The package also includes an NABL-approved lab test report, confirming strict standards. Further, quality is demonstrated through many test certificates in the form of MTC according to EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and a third-party inspection certificate. These guarantee 100% client satisfaction along with confidence for the integrity of our products.
Stainless Steel 321H Nuts find their place in industries where resistance to high temperatures, corrosion, and stress is essential. You’ll commonly see them in aerospace, power generation, chemical processing, and petrochemical sectors. These nuts are perfect for applications such as exhaust systems, pressure vessels, heat exchangers, and welded assemblies. They’re also utilized in marine and offshore structures that face corrosive environments. Their ability to handle thermal cycling, mechanical stress, and harsh chemicals makes them a dependable choice for fasteners in critical systems that demand long-term performance and safety.
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