Alloy Steel Fasteners are hardware components specifically manufactured from alloy steel, which includes elements beyond iron and carbon to enhance its mechanical properties. These fasteners are renowned for their exceptional strength, durability, and resistance to wear and corrosion, making them ideal for demanding applications across various industries.
One of the distinguishing features of Alloy Steel Fasteners is their high tensile strength, which allows them to withstand heavy loads and extreme conditions without deforming or failing. Additionally, they exhibit excellent toughness, providing resilience against impacts and shocks. The alloying elements such as chromium, molybdenum, nickel, and vanadium contribute to the enhanced properties of these fasteners. Chromium, for instance, improves corrosion resistance, while molybdenum and nickel enhance strength and toughness. Vanadium helps refine the grain structure, increasing strength and wear resistance.
Alloy Steel Screws, Alloy Steel Nuts, and Alloy Steel Bolts are used extensively in industries where strength, reliability, and durability are paramount. In automotive manufacturing, these fasteners are utilized in critical components such as engine mounts, suspension systems, and chassis structures, which must endure high stress and vibration. Similarly, Alloy Steel Fasteners are preferred for structural connections in bridges, buildings, and industrial facilities in the construction sector, ensuring structural integrity and safety.
In the aerospace industry, where lightweight yet robust materials are essential, Alloy Steel Fasteners are favoured for their high strength-to-weight ratio, contributing to the overall efficiency and performance of aircraft and spacecraft. Moreover, in corrosive environments like offshore oil rigs and marine vessels, Alloy Steel Fasteners provide reliable fastening solutions due to their resistance to rust and degradation.
As a leading Alloy Steel Fasteners Manufacturer and Alloy Steel Fasteners Supplier, we ensure that all our Alloy Steel Fasteners, including Alloy Steel Screws, Alloy Steel Nuts, and Alloy Steel Bolts, meet the highest standards of quality and performance, catering to the specific needs of various industries with precision and reliability.
Standard | ASTM A193, A194 / ASME SA193, SA194 |
Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
Machine Screws Size | M1.6 – M12 |
Self Tapping Screw Size | No.2 – No. 14 |
Length | 3 mm to 200 mm |
Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
Fasteners |
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Form | Hex, Threading, Square, Round as per Gauge Etc. |
Raw materials Source | JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc. |
Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
Certification | Dual Certified As per ASTM & ASME Codes |
Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
Production Process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
Types | Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc. |
Cold Forging
This initial process is a cold forging process used to produce a near net shape work billet. An important consideration in cold forging is the tendency for the bar tobolts Manufacturing Process buckle if its unsupported length to diameter ratio is too high. This ratio usually is limited to less than 4:1 but with suitable dies, therefore, cold forging is the most likely production method because bolts have a large head-to-shank ratio, they are longer than 1½ times their diameter, bolts have multiple diameters and finally require a geometrical shap
Thread rolling
The next process applied to the bottom of the work billet is a bulk deformation process known as "thread rolling". This type of cold-forging process is used bolts Manufacturing Processbecause cylindrical can easily have thread applied by rolling the work billet through two dies. The thread rolling process is usually chosen over machining because thread rolling provides higher production rates, more effective material usage, stronger thread due to work hardening and finally better fatigue resistance because the work billet undergoes compressive stresses during the rolling process.
Blackening and Galvanization
The final process induced on the now almost complete bolt is the application of an anti-corrosive layer, to stop oxidation. The usual process is called "blackening"; Either process chemically or physically coats the surface of ferrous metals, creating a strong barrier against humidity and corrosion. Hot Blackening is most popular & common blackening processes:
Hot Blackening
Hot blackening involves dipping the bolt into six different tanks. The bolt is usually "dipped" by automated part carriers for transportation between tanks. These tanks contain, in order, alkaline cleaner, water, caustic soda at 450°C to 500°C and finally the sealant, which is usually crude oil. The caustic soda bonds chemically to the surface of the metal, creating a porous base layer on the bolt.
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