Kabby Flanges is a well-respected manufacturer and supplier of top-notch AISI 4140 Flanges based in Abuja, Nigeria. Crafted from high-quality AISI 4140 alloy steel, these flanges boast impressive strength, toughness, and wear resistance, making them perfect for heavy-duty and high-pressure applications. They are designed and produced in line with international standards like ASTM and ASME, ensuring precise dimensions and dependable performance. With a variety of types available, including weld neck, slip-on, blind, and threaded, these flanges are widely utilized across industries such as oil & gas, power generation, chemicals, and machinery, guaranteeing durable and leak-proof pipeline connections.
AISI 4140 Flanges are primarily made up of chromium (≈0.8–1.1%), molybdenum (≈0.15–0.25%), manganese (≈0.75–1.0%), carbon (≈0.38–0.43%), and silicon (≈0.15–0.35%), with iron making up the rest. This alloy delivers exceptional tensile strength (≈655–970 MPa), yield strength (≈415–655 MPa), and impressive hardness (197–241 HB). AISI 4140 is known for its high toughness, fatigue resistance, and wear resistance, making it a great choice for high-pressure and high-stress applications. The alloy maintains its structural integrity even at elevated temperatures and can be heat-treated to enhance its mechanical properties for specific industrial needs.
| 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 |
Kabby Flanges, a leading supplier in Abuja, Nigeria, 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 are widely used in the oil & gas, petrochemical, power generation, and heavy machinery sectors due to their remarkable strength and wear resistance. They are perfect for high-pressure pipelines, pressure vessels, hydraulic systems, and mechanical assemblies that demand durability and reliability. These flanges also play a crucial role in automotive and mining equipment, where toughness under heavy loads is vital. AISI 4140 Flanges can endure abrasive and high-temperature conditions, ensuring a long service life with minimal maintenance. Kabby Flanges is committed to providing precision-engineered AISI 4140 Flanges that meet the highest standards.
Yes, we offer custom sizes for AISI 4140 Flanges to meet specific project needs. Our team at Kabby Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@kabbyflanges.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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