Rached Flanges, located in Tunis, Tunisia, has built a solid reputation as a reliable manufacturer and supplier of AISI 4140 Flanges, specifically designed for high-strength industrial applications. The company prides itself on precision manufacturing, using top-notch alloy steel materials, and maintaining strict quality control to ensure they meet international standards. With state-of-the-art production facilities and a team of experienced professionals, Rached Flanges consistently delivers flanges that boast excellent dimensional accuracy, durability, and reliable performance. They cater to various industries, including oil and gas, petrochemical, power generation, heavy engineering, and mining, and are recognized for their timely deliveries, competitive pricing, and dependable quality, making them a go-to partner for complex piping and mechanical systems around the globe.
AISI 4140 Flanges are crafted from chromium-molybdenum alloy steel, which provides outstanding mechanical properties. These flanges exhibit high tensile and yield strength, impressive toughness, and robust resistance to wear, impact, and fatigue. The heat treatment process enhances their hardness, fatigue resistance, and structural stability. They perform exceptionally well under high pressure and in moderate to high-temperature environments. Thanks to their alloy composition, these flanges ensure durability, maintain strength, and resist mechanical stress in challenging industrial settings.
| Size Chart | 1/2″ to 48″ |
|---|---|
| Pressure Rating | Class 150, 600, 300, 1500, 900, 2500 LBS |
| Pressure Calculation in DIN | 6/ 16/ 10/ 40/ 25Bar / PN6 PN16 PN10 PN40 PN25 PN64 |
| JIS | 5K, 16 K, 10 K, 30 K, 20 K, 63 K, 40 K |
| UNI | 6/ 16/ 10/ 40/ 25Bar |
| EN | 6/ 16/ 10/ 40/ 25Bar |
| Flange Face Type | Lap-Joint Face, Large Male-Female, Raised Face, Flat Face, Small Tongue, Small Male-Female, Ring Type Joint, Large Tongue & Groove Flanges manufacturer and Supplier |
| Flanges Marking | All Flanges are marked as follows: Supplier or Manufacturer’s Name, Size, Class, Bore, Dimension, Material, Heat No. Or according to the customer’s request. |
| Element | Content |
|---|---|
| Chromium | 0.80 Tp 1.10 |
| Manganese | 0.75 Tp 1.0 |
| Silicon | 0.15 To 0.30 |
| Carbon | 0.380 To 0.430 |
| Molybdenum | 0.15 To 0.25 |
| Sulfur | 0.040 |
| Phosphorous | 0.035 |
| Iron | Balance |
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 655 MPa | 95000 psi |
| Bulk modulus | 140 GPa | 20300 ksi |
| Yield strength | 415 MPa | 60200 psi |
| Shear modulus | 80 GPa | 11600 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Elongation at break (in 50 mm) | 25.70% | 25.70% |
| Hardness, Knoop | 219 | 219 |
| Hardness, Rockwell B | 92 | 92 |
| Hardness, Brinell | 197 | 197 |
| Hardness, Rockwell C | 13 | 13 |
| Machinability | 65 | 65 |
| Hardness, Vickers | 207 | 207 |
Rached Flanges, a leading supplier in Tunis, Tunisia, offers an extensive selection of AISI 4140 Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
AISI 4140 Flanges find extensive use in applications that demand high strength and toughness. They’re commonly utilized in oil and gas pipelines, petrochemical facilities, power generation machinery, heavy equipment, pressure vessels, and structural systems. These flanges create secure, leak-proof connections and can handle significant mechanical loads and cyclic stress. Their remarkable wear and fatigue resistance make AISI 4140 Flanges the perfect choice for critical industrial systems where durability, safety, and long-lasting performance are paramount.
Yes, we offer custom sizes for AISI 4140 Flanges to meet specific project needs. Our team at Rached Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@rachedflanges.com.
| STANDARD | UNS | WERKSTOFF NR. |
| AISI 4140 | G41400 | 1.7225 |
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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