Alloy Steel Gr B5 Bolts
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Thabiso Steel is a reputable manufacturer and supplier located in Cape Town, South Africa, specializing in high-performance industrial fasteners, particularly Alloy Steel Gr B5 Bolts. Renowned for their precision engineering and dependable delivery, Thabiso Steel caters to a variety of industries with products that adhere to international quality standards. With a strong commitment to customer satisfaction, the company provides custom solutions designed to meet specific project requirements. Whether it’s for construction, oil and gas, or heavy machinery, Thabiso Steel’s Alloy Steel Gr B5 Bolts guarantee durability, strength, and resistance to extreme conditions, making them the perfect choice for demanding applications throughout South Africa and beyond.
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ASTM A193 Alloy Steel B5 Anchor Bolt
ASTM A193 Alloy Steel B5 J Bolt
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What is Alloy Steel Gr B5 Bolts?
Alloy Steel Gr B5 Bolts are mainly made up of chromium and molybdenum, which give them exceptional hardness, tensile strength, and resistance to wear and corrosion. Their typical composition features around 0.50% carbon, 0.80–1.10% chromium, and 0.15–0.25% molybdenum. These bolts undergo heat treatment to improve their mechanical properties, achieving impressive yield strength (up to 690 MPa) and tensile strength (up to 860 MPa). With outstanding toughness and fatigue resistance, they maintain their integrity even under high pressure and elevated temperatures, making them ideal for critical environments and ensuring long-lasting industrial performance.
Alloy Steel Gr B5 Bolts Specifications
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to B5 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts |
Alloy Steel Gr B5 Bolts Chemical Composition
| Carbon | Manganese, max | Phosphorus, max | Sulfur, max | Silicon | Chromium | Molybdenum |
|---|---|---|---|---|---|---|
| 0.10 min/td> | 1.00 | 0.040 | 0.030 | 1.00 max | 4.00-6.00 | 0.40-0.65 |
Alloy Steel Gr B5 Bolts Mechanical Properties
| Grade | Diameter | Tensile Strength | Yield Strength | Elongation | Reduction | Hardness |
|---|---|---|---|---|---|---|
| Grade B5 | Up to M100, inclusive | 690 | 550 | 16 | 50 | — |
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We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Top Manufacturer and Supplier of Alloy Steel Gr B5 Bolts in Cape Town, South Africa
Jaxon Steel is a trusted manufacturer and supplier of high-quality Alloy Steel Gr B5 Bolts in Cape Town, South Africa. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel and Galvanized Steel, with a strong focus on Carbon Steel Sheet and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability and performance for critical industrial applications. Contact us today for all your Alloy Steel Gr B5 Bolts needs!
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Types of Alloy Steel Gr B5 Bolts






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Uses of Alloy Steel Gr B5 Bolts
Alloy Steel Gr B5 Bolts are a go-to choice in industries that demand outstanding strength and resistance to corrosion. You’ll often find them in applications like oil and gas pipelines, refineries, chemical plants, power generation facilities, and heavy machinery manufacturing. Their remarkable ability to handle high pressure, temperature changes, and corrosive environments makes them perfect for flange connections, pressure vessels, and structural assemblies. Plus, these bolts are essential in marine and offshore engineering projects, where durability in tough conditions is a must. With their dependable performance under mechanical stress, they ensure safety and longevity, making them a favorite among engineers and project managers in various fields.
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