Fasteners are essential in every industry, including manufacturing, construction, and engineering. They are vital in holding different components together. Their quality determines the structure's strength, durability, and performance. Among the various types of fasteners in the market today, Alloy Steel B7 Fasteners are gaining popularity for their excellent features, corrosion resistance, chemical composition, applications, and heat treatment.
Features of Alloy Steel B7 Fasteners
Alloy Steel B7 Fasteners possess excellent features that make them ideal for various applications. They are highly durable and strong and can withstand extreme temperatures and pressures. Additionally, they have significant resistance to stress corrosion cracking, hydrogen embrittlement, and fatigue. They are also easy to work with, exhibiting excellent machining properties, and can be welded or brazed to other metals. Their unique properties allow them to operate in severe conditions, including power plants, petrochemical industries, and oil and gas refineries.
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Corrosion Resistance of Alloy Steel B7 Fasteners
Fasteners exposed to harsh environments are prone to corrosion. However, Alloy Steel B7 Fasteners have excellent corrosion resistance, making them suitable for corrosive environments. They resist corrosion from chemicals such as sulfuric acid, hydrochloric acid, and sea salt. This property makes them ideal for offshore drilling rigs, marine applications, and desalination plants.
Chemical Composition of Alloy Steel B7 Fasteners
The chemical composition of Alloy Steel B7 Fasteners is a crucial aspect of their formation and properties. Their primary components include iron, carbon, chromium, molybdenum, and vanadium, giving them unique properties. Chromium gives them corrosion resistance, molybdenum strengthens them, and vanadium improves their heat resistance and toughness. In addition, the controlled amount of carbon in their chemical composition influences the hardness and tensile strength of the fasteners.
Applications of Alloy Steel B7 Fasteners
Alloy Steel B7 Fasteners have diverse applications in different industries. They are used extensively in power plants, offshore oil rigs, chemical plants, gas refineries, and desalination plants. They are also used in high-temperature steam lines, high-pressure vessels, and valves. Their capability to withstand extreme temperatures, pressures, and corrosive environments makes them ideal for demanding applications.
Heat Treatment of Alloy Steel B7 Fasteners
The heat treatment of Alloy Steel B7 Fasteners influences their mechanical properties and corrosion resistance. After forging, they undergo heat treatment, including annealing, normalizing, quenching, and tempering. These processes improve their strength and hardness while reducing brittleness and residual stress. Alloy Steel B7 Fasteners achieve the desired microstructure, mechanical properties, and corrosion resistance with proper heat treatment.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM A193 / ASME SA193 |
| 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. |
| 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. |
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Alloy Steel B7 Bolts
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Alloy Steel B7 Nuts
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Alloy Steel B7 Washers
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ASTM A193 Alloy Steel B7 Screw
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Alloy Steel B7 Stud Bolt
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ASTM A193 Grade B7 U Bolts
- Alloy Steel B7 Carriage Bolts
- Alloy Steel B7 Heavy Hex Bolts
- Gr B7 Alloy Steel Square Nuts
- Alloy Steel B7 Grade B U Bolts
- ASTM A193 Alloy Steel B7 Fastener
- Alloy Steel B7 Fasteners Price List
- Alloy Steel B7 Dome Washer
- ASTM A193 Grade B7 Fasteners
- Alloy Steel Gr B7 Anchor Fasteners
- Grade B7 Alloy Steel Eye Bolts
- Alloy Steel B7 Industrial Fasteners
- Alloy Steel B7 Washers
- ASME SA193 Alloy Steel B7 Fasteners
- Alloy Steel Grade B7 Socket Set Screw
- Alloy Steel B7 Stud Bolts
- Chrome Moly B7 Nut Bolt
- ASTM A193 Alloy Steel B7 Hex Head Bolt
- Alloy Steel B7 Self Locking Nuts
- Alloy Steel B7 Acorn Nuts
- Alloy Steel B7 Gr A Allen Cap Screw
- Alloy Steel B7 Wing Nuts
- CrMo B7 Coupling Nuts
- Chrome Moly Thick Gr B7 Washers
- CrMo Grade B7 Structural Bolts
- Alloy Steel B7 Self Tapping Screw
- Alloy Steel B7 Spring Washer
- Grade B7 Alloy Steel Plain Washer
- Alloy Steel B7 Heavy Hex Nuts
- Alloy Steel B7 Flat Washers
- Alloy Steel B7 Ogee Washers
- Alloy Steel B7 Studs
- Alloy Steel B7 Threaded Rod
| Alloy Steel B7 | C | Mn | P | S | Si | Cr | Mo |
| 0.37-0.49 | 0.65-1.10 | 0.035 Max | 0.04 Max | 0.15-0.35 | 0.75-1.20 | 0.15-0.25 |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 |
“ Check Bhansali Exports's offered Alloy Steel B7 Fasteners Prices, Dimensions & Weight. Place an order or enquire about your requirements. We will glad to be service. ”
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