Liam Steel is your go-to manufacturer and supplier of **Alloy Steel 4140 Fasteners** right here in **Manila, Philippines**. We specialize in providing high-performance fastening solutions for industries that require outstanding strength and reliability. Our 4140 Fasteners are crafted from top-notch alloy steel, ensuring they deliver superior hardness, tensile strength, and toughness—perfect for those high-stress applications. Each fastener is produced under rigorous quality control standards, guaranteeing durability, corrosion resistance, and a long service life. We cater to various sectors, including automotive, heavy machinery, construction, and industrial equipment, offering dependable, high-quality fastening solutions that meet international standards and tough operational demands.
Our Alloy Steel 4140 Fasteners are made from **chromium-molybdenum alloy steel**, featuring about **0.38–0.43% carbon, 0.8–1.1% chromium, 0.15–0.25% molybdenum, and 0.75–1.0% manganese**. These elements work together to enhance hardness, strength, and toughness. With a **tensile strength of up to 1080 MPa** and a **yield strength of around 850 MPa**, they offer remarkable fatigue resistance and dimensional stability. Plus, they boast excellent wear resistance, machinability, and good corrosion resistance, making them perfect for heavy-duty and high-stress industrial applications.
| Standard | ASTM A193, ASTM A194 / ASME SA193, SA194 GR, IS, BS |
| Specification | IS, BS, ASTM |
| Size | M 02 to M 160 |
| Length | UPTO 5 METERS |
| Grade | B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M |
| Type | Bolts, nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, etc. |
| Element | AISI 4140 |
| Fe | 96.785 – 97.77 |
| Cr | 0.80 – 1.10 |
| Mn | 0.75 – 1.0 |
| C | 0.380 – 0.430 |
| Si | 0.15 – 0.30 |
| Mo | 0.15 – 0.25 |
| S | 0.040 |
| P | 0.035 |
| Grade AISI 4140 | Metric | Imperial |
| Tensile strength | 655 MPa | 95000 psi |
| Yield strength | 415 MPa | 60200 psi |
| Bulk modulus (Typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break (in 50 mm) | 25.70% | 25.70% |
| Hardness, Brinell | 197 | 197 |
| Hardness, Knoop (converted from Brinell hardness) | 219 | 219 |
| Hardness, Rockwell B (converted from Brinell hardness) | 92 | 92 |
| Hardness, Rockwell C (Converted from Brinell hardness, value below normal HRC range, for comparison purposes only.) | 13 | 13 |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Machinability (Annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.) | 65 | 65 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Grade AISI 4140 | Metric | Imperial |
| Thermal expansion co-efficient (@ 0-100°C/32-212°F) | 12.2 µm/m°C | 6.78 µin/in°F |
| Thermal conductivity (100°C) | 42.6 W/mK | 296 BTU in/hr.ft².°F |
Liam Steel’s Alloy Steel 4140 Fasteners are widely utilized across the **automotive, aerospace, heavy machinery, construction, and industrial equipment sectors**. They’re ideal for applications like **gear assemblies, shafts, engine components, hydraulic systems, structural connections, and high-load machinery**, where strength and reliability are paramount. These fasteners excel in resisting fatigue, wear, and vibration, ensuring safety and durability even in the toughest conditions. With Liam Steel’s Alloy Steel 4140 Fasteners, you get precision, strength, and long-lasting performance, providing reliable and cost-effective fastening solutions for a broad range of industrial and mechanical needs.
Liam 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 Manila, Philippines.
Copyright 2025 Liam Steel. All rights reserved
