Alloy Steel Grade 10.9 Fasteners are robust components crafted from medium carbon steel, enhanced with alloying elements like chromium, molybdenum, and manganese. These fasteners go through a heat treatment process that includes quenching and tempering, allowing them to achieve impressive tensile and yield strengths of around 1040 MPa and 940 MPa, respectively. They boast remarkable fatigue strength, wear resistance, and toughness, making them perfect for demanding applications. Their mechanical stability and ability to resist stress and deformation under load make them a go-to choice for heavy-duty assemblies where high performance and durability are crucial.
You’ll find Alloy Steel Grade 10.9 Fasteners in various industries that require top-notch strength and performance. In the automotive sector, they play a vital role in critical components like engine mounts, chassis connections, and suspension systems. In construction and infrastructure, they’re ideal for structural assemblies such as bridges and skyscrapers. These fasteners are also utilized in wind turbines, mining machinery, heavy equipment, and pressure vessels, thanks to their high tensile strength and load-bearing capabilities. Their reliability and toughness make them well-suited for dynamic load conditions, ensuring secure connections in complex and high-pressure environments.
Standard :Â DIN EN ISO 4014 & 4017 DIN 931 / 933 & IS 1364 / IS 1363
Size :Â Dia M 20 to 100 mm / Inch 3/4″to 3.1/2″
Finish :Â Plain / Zinc plated / Hot dip galvanised
Types :Â 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 10.9 | C | Mn | Si | P | S | Mo | Cr |
| 0.08-0.15 | 1.00 max | 1.00 max | 0.040 | 0.030 | 0.15-0.25 | 11.50-13.50 |
| Grades | Size Range | PS [MPa] | YS (min) [MPa] | TS (min) [MPa] | Hardness [Rockwell] |
| Class 10.9 | 5–100 | 830 | 940 | 1040 | C33–39 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hexagon Bolts / Set Screws | Stud Bolts | Hexagon Nuts | Socket Capscrews |
|---|---|---|---|
DIN 931 | BS4882 | DIN 934 | DIN 912 |
DIN 933 | DIN 976 | BS 1768 | DIN 6912 |
BS 1768 | Â | BS 1769 | DIN 7984 |
UNI 5731 | Â | BS 1083 | ANSI B18.3 |
UNI 5739 | Â | BS 3692 | ISO 4762 |
ISO 4014 | Â | ISO 4032 | UNI 5931 |
ISO 4017 | Â | ISO 4033 | BS 2470 |
BS 1769 | Â | ANSI B18.2.2 | BS 4168 |
BS 3692 | Â | Â | Â |
ANSI B18.2.1 | Â | Â | Â |
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 |
DIN 551 | BS 483 | BS 2693 | Â |
DIN 553 | BS 2470 | Â | Spring Washers |
DIN 438 | Â | Â | DIN 127 |
BS 4168 | Â | Â | BS 4464 |
 |  |  | BS 1802 |
Luke Steel is a reputable manufacturer and supplier of Alloy Steel Grade 10.9 Fasteners, based in Houston, USA. With a commitment to quality and precision, we offer a wide range of fasteners, including bolts, nuts, and washers, all designed to meet international standards. Our Grade 10.9 fasteners are crafted from premium alloy steel and undergo rigorous heat-treatment processes to guarantee exceptional strength, durability, and corrosion resistance. Serving diverse industries such as automotive, construction, energy, and machinery, Luke Steel is recognized for its timely delivery, customer-centric solutions, and unwavering commitment to excellence in both domestic and global markets.
Luke 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 Houstan, USA.
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