Alloy Steel Gr B7M Bolts
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Thabiso Steel is a reputable manufacturer and supplier located in Cape Town, South Africa, known for its top-notch fasteners, including Alloy Steel Gr B7M Bolts. With a strong focus on quality, precision, and reliability, Thabiso Steel caters to a diverse array of industries, delivering bolts that can withstand tough standards and challenging environmental conditions. The company takes pride in its prompt delivery, competitive pricing, and strict compliance with international specifications. Whether it’s for the petrochemical, oil and gas, or heavy engineering sectors, Thabiso Steel’s Alloy Steel Gr B7M Bolts are designed to perform and endure where it counts the most.
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ASTM A193 Alloy Steel B7M J Bolt
ASTM A193 Alloy Steel B7M Anchor Bolt
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What is Alloy Steel Gr B7M Bolts?
These Alloy Steel Gr B7M Bolts are crafted from chromium-molybdenum steel, which provides enhanced strength and resistance to corrosion. Their typical chemical makeup includes carbon (0.37–0.49%), manganese (0.65–1.10%), phosphorus (max 0.035%), sulfur (max 0.040%), silicon (0.15–0.35%), chromium (0.75–1.20%), and molybdenum (0.15–0.25%). To achieve lower hardness levels suitable for corrosive environments, these bolts undergo controlled heat treatment and tempering. They boast a minimum tensile strength of around 100 ksi (690 MPa), along with improved ductility and impact resistance, making them perfect for high-pressure, high-temperature applications where reliability is essential.
Alloy Steel Gr B7M Bolts Specifications
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to B7M 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 B7M Bolts Chemical Composition
| Alloy Steel B7M | 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 |
Alloy Steel Gr B7M Bolts Mechanical Properties
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
|---|---|---|---|---|---|
| B7M | 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 |
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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 B7M Bolts in Cape Town, South Africa
Jaxon Steel is a trusted manufacturer and supplier of high-quality Alloy Steel Gr B7M 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 B7M Bolts needs!
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Types of Alloy Steel Gr B7M Bolts






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Uses of Alloy Steel Gr B7M Bolts
Alloy Steel Gr B7M Bolts are frequently utilized in critical applications that demand high strength, corrosion resistance, and the ability to withstand stress. They find extensive use in the oil and gas industry, offshore drilling rigs, petrochemical plants, refineries, and power generation facilities. These bolts are ideal for flanged connections, pressure vessels, valves, and various high-pressure piping systems. Their resistance to hydrogen embrittlement and sulfide stress cracking makes them particularly suitable for sour gas environments. Thabiso Steel offers B7M Bolts that comply with ASTM A193 specifications, ensuring dependable performance in both sub-zero and elevated temperature settings, where failure simply isn’t an option.
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