Alloy 20 Fasteners
Nandishwar Steel is a most acclaimed Alloy 20 Fasteners producer, supplier, and exporter across the world. We focus on the high-performance raw materials for manufacturing high-quality fasteners for extreme conditions. We offer only the highest performing engineering fasteners in accordance with global standards.
Nandishwar steel is founded by a group of technical experts in both manufacturing and has knowledge of materials. Their experience helps to obtain the highest quality fasteners. With advanced machines and technical expertise, our all range of products get precise dimensions and surface finish.?
General description of the alloy:
This grade is made up the blend of chromium, nickel and iron content. It is the austenitic alloy with great corrosion resistance ability in chemical reducing environments that contain sulfuric acids and other harsh chemicals. This version of the alloy is stable with niobium to resist intergranular attacks.
These fasteners provide a potential cost-saving option when compared to other alloy fasteners. Also, these fasteners are suitable for phosphoric acid, nitric acid, and aqueous salt solutions. These fasteners are a solid solution for the chloride stress corrosion cracking environments. These fasteners also resist crevice and pitting corrosion. Special consideration is taken in the account in chloride containing environment because of corrosion rate increases.
The manufacturing of fasteners:
Alloy 20 Fasteners can be formed by either hot-working or cold-work using standard operations. the hot working operation is done in the controlled temperature between 2100 deg F to 2250 deg F. this temperature should not fall down below 1800 deg F. these are processed for annealing process by heating up to 1725 deg F to 1850 deg F. the quenching process is followed by water.
The stress relieving process is done when necessary; it is heated to temperature below 1000 deg F for the desired time and controlled temperature. The lower hardness properties are achieved by heating up to 2100 deg F, however, this put a negative effect on the stabilization.
The manufactured range of fasteners is processed from certainty tests for quality assurance. Alloy 20 Fasteners are supplied in the prominent packaging methods. These are packed in the wooden box, crates, pallets, and cartons.
Standard : DIN, ASTM, BS and all International Standards
Size : 3 mm to 200 mm
Bolt / Screw Size : M3 - M56 | 3/6" to 2" | Custom Sizes
Nuts Size : M3 - M56 | 3/6" to 2" | Custom Sizes
Washers Size : M1 - M64 | #4 to 3" | Custom Sizes
Length : M02 to M33
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.
|Alloy 20||0.07 max||2.00 max||1.00 max||0.035 max||3.00 – 4.00||32.00 – 38.00||19.00 – 21.00||29.85 min*||2.00 – 3.00||0.045 max|
|Element||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 %|
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