Khawla Flanges, based in Muscat, Oman, stands out as a top manufacturer and supplier of high-quality **AISI 4140 Flanges** designed to meet rigorous international standards. Renowned for their durability, precision, and longevity, these flanges are crafted using cutting-edge manufacturing techniques and stringent quality control measures. Khawla Flanges is dedicated to providing reliable products that address a variety of industrial needs, especially in high-pressure and high-temperature settings. With a talented team and state-of-the-art facilities, the company offers tailored solutions for specialized applications. Their commitment to quality and customer satisfaction has established Khawla Flanges as a trusted partner in key industries.
AISI 4140 Flanges are crafted from chromium-molybdenum alloy steel, featuring carefully controlled amounts of carbon, manganese, chromium, and molybdenum. This unique blend results in outstanding hardenability, wear resistance, and high strength. Their mechanical properties include impressive tensile strength, excellent yield strength, and remarkable impact resistance, making them ideal for high-pressure and high-temperature applications. AISI 4140 also shows good fatigue resistance and moderate corrosion resistance when properly treated. Precision heat treatment further boosts toughness and dimensional stability. Each flange undergoes rigorous testing for structural integrity and compliance with international engineering standards, ensuring consistent and reliable performance.
| 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 |
Khawla Flanges, a leading supplier in Muscat, OMAN, 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 scenarios that require exceptional strength, durability, and resistance to challenging operating conditions. They play a crucial role in oil and gas pipelines, drilling equipment, refineries, petrochemical facilities, and high-pressure hydraulic systems. Their capacity to endure high temperatures and pressures makes them indispensable in these industries.
Yes, we offer custom sizes for AISI 4140Â Flanges to meet specific project needs. Our team at Khawla Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@khawlaflanges.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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