Filiz Steel, a well-respected manufacturer and supplier based in Istanbul, Turkey, specializes in high-quality Alloy Steel Gr B7M Fasteners, crafted to meet the rigorous demands of critical industrial applications. These fasteners are produced in accordance with ASTM A193 standards and are renowned for their strength, durability, and ability to endure high-pressure and high-temperature conditions. Filiz Steel prioritizes precision engineering and stringent quality control, ensuring that their fasteners consistently deliver reliable performance. With exceptional toughness and corrosion resistance, Alloy Steel B7M fasteners find extensive use in the oil & gas, petrochemical, chemical, power generation, and heavy engineering sectors around the globe.
Alloy Steel Gr B7M Fasteners are mainly made from chromium-molybdenum alloyed steel, featuring carefully controlled levels of carbon, manganese, and silicon. These alloying elements provide remarkable hardness, toughness, and resistance to high temperatures. The B7M grade undergoes heat treatment and tempering to achieve specific mechanical properties, enhancing ductility and minimizing the risk of stress corrosion cracking. With impressive tensile strength, solid yield properties, and excellent creep resistance, these fasteners excel in extreme operating conditions. Their outstanding machinability, dependable hardness, and toughness make them ideal for pressure vessels, piping systems, and high-stress environments.
Specification : 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
Types : Nuts, Bolts, Screws, Sockets, Studs, Screw, Hex Set Screw, Socket Screw, Cap Screw, Pan Head Screw, Socket Head Cap Screw, Washers, Spring Washers, Studs, Anchors
| 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.
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Hexagon Bolts / Set Screws |
Stud Bolts |
Hexagon Nuts |
Socket Capscrews |
|---|---|---|---|
|
DIN 931 |
BS4882 |
DIN 934 |
DIN 912 |
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DIN 933 |
DIN 976 |
BS 1768 |
DIN 6912 |
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BS 1768 |
BS 1769 |
DIN 7984 |
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|
UNI 5731 |
BS 1083 |
ANSI B18.3 |
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|
UNI 5739 |
BS 3692 |
ISO 4762 |
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|
ISO 4014 |
ISO 4032 |
UNI 5931 |
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|
ISO 4017 |
ISO 4033 |
BS 2470 |
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|
BS 1769 |
ANSI B18.2.2 |
BS 4168 |
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BS 3692 |
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ANSI B18.2.1 |
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Socket & Slotted Set Screws |
Socket & Slotted Countersunk Screws |
Studs |
Washers |
|
DIN 913 |
DIN 963 |
DIN 938 |
DIN 125 |
|
DIN 914 |
DIN 7991 |
DIN 939 |
DIN 9021 |
|
DIN 915 |
BS 4168 |
DIN 2510 |
BS 4320 |
|
DIN 916 |
BS 1981 |
BS 4439 |
BS 3410 |
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DIN 551 |
BS 483 |
BS 2693 |
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|
DIN 553 |
BS 2470 |
Spring Washers |
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|
DIN 438 |
DIN 127 |
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BS 4168 |
BS 4464 |
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BS 1802 |
Alloy Steel Gr B7M Fasteners are widely utilized in industries where strength, toughness, and temperature resistance are essential. In the oil & gas sector, they are commonly found in pipelines, refineries, and offshore platforms, where they face high pressure and corrosive environments. The chemical and petrochemical industries rely on them for reactors, heat exchangers, and process equipment. Power generation plants depend on these fasteners in turbines, boilers, and steam lines due to their high performance and reliability under demanding conditions.
Filiz 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 Istanbul, Turkey.
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