Faizan Flanges is a trusted manufacturer and supplier of Carbon Steel F70 Flanges in Doha, Qatar, offering ultra-high-strength solutions for critical pipeline and industrial applications. ASTM A694 F70 flanges are engineered for very high-pressure transmission systems where maximum strength, toughness, and reliability are essential. Manufactured from premium forged carbon steel, these flanges ensure secure and leak-free connections under extreme operating conditions. At Faizan Flanges, advanced manufacturing techniques and strict quality control ensure that F70 flanges meet international standards and perform consistently in the most demanding oil, gas, and energy projects.
Carbon Steel F70 Flanges are produced in accordance with ASTM A694 standards and contain controlled amounts of carbon, manganese, silicon, and micro-alloying elements. This optimized composition delivers exceptional mechanical performance. Mechanically, F70 flanges offer a minimum yield strength of 70 ksi, very high tensile strength, and excellent impact resistance. They are designed to withstand extreme internal pressure, mechanical stress, and harsh service conditions, making them ideal for critical high-capacity pipeline applications.
| Standards | ANSI/ASME B16.5, EN Flanges, BS 10, B16.47 Series A & B, EN-1092, ASME Flanges, BS Flanges, B16.48, DIN, DIN Flanges, GOST Flanges, ANSI Flanges, BS4504. |
| Size | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Pressure Rating | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Production technique | Forged, Heat treated and machined |
|
Special design |
As per your drawing |
| AS, ANSI, BS, DIN and JIS | |
| 15 NB (1/2″) to 200 NB (8″) | |
| Equal and Reducing Configurations | |
| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Small Tongue, Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Flat Face (FF), Large Tongue & Groove, Large Male-Female (LMF). |
| Largest Bore Diameter Sizes | NPS ≤ 10 |
| Minimum & Maximum Size | 1/2″ To 48″ |
| Origin | Indian / Japan / Korean / West Europe / USA |
| JIS Standard | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| A182 Flange EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
|
Test Certificates |
EN 10204/3.1B |
| Raw Materials Certificate | |
| 100% Radiography Test Report | |
| Third Party Inspection Report, etc. | |
| Application | Gas, Power, Chemical, Metallurgy, Petroleum, Shipbuilding, Construction etc. |
| Grade | C | Si | Mn | P | S | Mo | Ni | Cr | Cu | V | Nb |
| F70 | 0.06-0.10 | 0.20-0.40 | 1.10-1.40 | ≤ 0.020 | ≤ 0.010 | 1.20-1.70 | 0.20-0.40 | ≤ 0.30 | ≤ 0.25 | 0.02-0.06 | – |
| Grade | Yield Strength, Min (KSI ) | Tensile Strength, Min (KSI) |
| A694 | 70 | 82 |
Faizan Flanges, a leading supplier in Doha, Qatar, offers an extensive selection of Carbon Steel F70 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.
Carbon Steel F70 Flanges are widely used in ultra-high-pressure oil and gas transmission pipelines, petrochemical plants, refineries, and power generation facilities. They are ideal for connecting pipes, valves, and equipment in large-diameter, high-capacity pipeline systems transporting oil, gas, and other fluids. These flanges are commonly applied in onshore and offshore projects where maximum strength, safety, and long-term reliability are required. Faizan Flanges supplies F70 flanges to ensure durable, efficient, and secure connections for the most demanding pipeline infrastructure.
Yes, we offer custom sizes for Carbon Steel F70 Flanges to meet specific project needs. Our team at Faizan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@faizanflanges.com.
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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