Phanuphong Steel and Plates, located in Bangkok, Thailand, stands out as a top manufacturer and supplier of high-performance industrial fasteners, including Alloy Steel Gr B7M Bolts. With a strong focus on quality and customer satisfaction, they serve a diverse array of industries such as oil and gas, petrochemicals, power generation, and heavy engineering. Renowned for their reliable, certified products that adhere to international standards, Phanuphong Steel boasts a vast inventory and offers tailored solutions to meet various industrial needs, solidifying their reputation as a trusted name in the Thai and Southeast Asian markets.
Alloy Steel Gr B7M Bolts are crafted from heat-treated chromium-molybdenum steel, featuring key elements like carbon (0.37-0.49%), manganese (0.65-1.10%), phosphorus (max 0.035%), sulfur (max 0.040%), chromium (0.75-1.20%), and molybdenum (0.15-0.25%). These bolts undergo tempering and stress-relieving processes to guarantee consistent mechanical properties. They typically exhibit a tensile strength of around 100 ksi, yield strength of 80 ksi, and a minimum elongation of 20%. Designed to withstand corrosive and high-pressure conditions, B7M bolts are optimized for applications that demand both strength and toughness, especially in elevated temperatures or aggressive chemical environments.
| 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 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 |
| 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 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phanuphong Steel is a trusted manufacturer and supplier of high-quality Alloy Steel Gr B7M Bolts​ in Bangkok, Thailand. 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!
Alloy Steel Gr B7M Bolts find extensive use in critical settings like offshore oil rigs, chemical processing facilities, refineries, and high-pressure steam systems. Their exceptional resistance to hydrogen sulfide (H2S) and stress corrosion cracking makes them perfect for sour gas applications. These bolts are engineered for low-temperature and high-pressure scenarios where strength and corrosion resistance are paramount. In applications such as flanged joints, pressure vessels, heat exchangers, and valves, B7M bolts deliver the reliability and performance needed in demanding environments.
Phanuphong Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Bangkok, Thailand.
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