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With unwavering dedication to excellence, our company is proud to offer an extensive selection of Alloy 20 Fasteners carefully sourced from trusted suppliers celebrated for their proficiency in custom-built premium alloy steel components. These fasteners function as essential elements throughout a wide array of applications, providing a broad choice of sizes, configurations, and specifications precisely tailored to satisfy the varied requirements of our valued clientele. Adopted across sectors such as chemical processing and marine industries, our premier Alloy 20 Fasteners are praised for their unmatched corrosion resistance and remarkable durability. Engineered with precision through advanced alloy formulations, these fasteners undergo stringent manufacturing processes to secure optimal strength and reliability, ensuring dependable performance even in the most demanding conditions.
Specification :ASTM B473, B564 / ASME SB473, SB564
Dimension : DIN, ISO, ASTM, JIS, BS, GB, IS along with every International Standard
Size Range : M3 – M56 | 3/6″ to 2″ | Custom Sizes
Length : 3 mm to 200 mm
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 | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
|---|---|---|---|---|---|
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
| Grade | Ni | C | Mn | P | S | Si | Cr | Nb | Mo | Cu |
|---|---|---|---|---|---|---|---|---|---|---|
| Alloy 20 | 32 – 38 | 0.02 max | 1 – 2 | 0.02 max | 0.005 max | 0.7 max | 19 – 21 | 0.1 – 0.3 | 2 – 3 | 3 – 4 |
At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically positioned in the New Zealand, we maintain an extensive stock of more than 25,000 tons of top-quality materials always available on hand.
Reach out to us for a fast quote tailored to your requirement.
We supply these Alloy 20 Fasteners in accordance with DIN, ISO, JIS or ANSI Standard.
Alloy 20 Fasteners find uses as varied as the sectors they cater to, led chiefly by the aerospace, railway, construction and automotive sectors along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Alloy 20 fasteners typically resist galvanic corrosion thanks to their elevated nickel content, which produces a protective oxide layer. That said, galvanic corrosion can still develop when they are combined with dissimilar metals in corrosive settings. This risk can be reduced through adequate insulation or by choosing compatible materials.
Yes,Alloy 20 fasteners are recyclable once they have been used. Because Alloy 20 contains nickel, chromium, and iron, it is a worthwhile material to recycle. Appropriate sorting and processing methods are used to recover and reuse the alloy, supporting sustainability initiatives across a range of industries.
Alloy 20 fasteners offer excellent resistance to corrosion, especially in acidic and chloride-rich settings. Their makeup, containing nickel, chromium, and molybdenum, creates a protective oxide layer that boosts this resistance. That said, being subjected to severe conditions or incompatible materials may still cause corrosion as time passes. Performing routine maintenance is recommended.
To choose the appropriate Alloy 20 fasteners, evaluate elements such as corrosion resistance, temperature range, strength, thread type, environmental conditions, and industry standards. Take into account the particular needs of your application, making sure they work with mating components and meet applicable standards. Seek advice from suppliers on the best choice.