Based in the heart of Naypyidaw, Khun Flanges stands as a dedicated manufacturer and supplier, committed to strengthening Myanmar’s industrial backbone. We specialize in producing robust AISI 4140 flanges, engineered to meet the rigorous demands of both local and international projects. Our focus is on delivering components that don’t just connect systems but ensure their long-term integrity and safety. With a deep understanding of the regional market’s needs, we provide reliable solutions that build trust and foster progress across various sectors.
The strength of AISI 4140 flanges comes from a specific blend of chromium and molybdenum, which gives them a remarkable combination of toughness and wear resistance. Through a controlled heat treatment process known as quenching and tempering, these flanges achieve high tensile and yield strength. This means they can handle significant pressure and shock loads without deforming or failing. Essentially, this treatment transforms the steel, giving it the durability needed for the most challenging environments.
| 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 |
Khun Flanges, a leading supplier in Naypyidaw, Myanmar, 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 industries that require high-strength, durable components for heavy-duty applications. Common uses include automotive, aerospace, oil & gas, and power generation sectors, where they are employed in high-pressure systems, piping, and machinery. These flanges are essential for connecting pipes, valves, and other equipment in critical systems such as hydraulic systems, pressure vessels, and fuel lines. Their exceptional strength, wear resistance, and ability to withstand harsh conditions make AISI 4140 flanges ideal for ensuring reliable and long-lasting connections in demanding environments.
Yes, we offer custom sizes for AISI 4140 Flanges to meet specific project needs. Our team at Khun Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@khunflanges.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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