DIPTI METAL INDUSTRIES is a preeminent global ASTM A694 F65 Flanges Manufacturer and experienced A694 F65 Fittings Exporter, specializing in delivering highly-engineered piping connections for critical applications worldwide. Our core manufacturing expertise encompasses the complete range of fittings, including Butt-Weld Fittings (Elbows, Tees, Reducers, Caps) dimensionally compliant with ASME B16.9 and rigorously certified to the material standard ASTM A694 F65. We also produce a full line of Forged Pipe Fittings (A694 F65 Socket Weld Fittings and A694 F65 Threaded Fittings) strictly adhering to ASME B16.11 standards for high-pressure systems.
We maintain extensive stock and production capacity in the most critical titanium grades. We are a leading A694 F65 Weld Neck Flanges stockist for widespread industrial corrosion applications, particularly in marine and chemical processing. For extreme strength requirements, our A694 F65 Blind Flanges are the benchmark for aerospace and high-pressure systems. Our special alloy stock includes the superior corrosion resistance of A694 F65 Slip On Flanges for aggressive reducing media, and A694 F65 Reducing Flanges for excellent performance against crevice corrosion. Every A694 F65 Flange, A694 F65 Tee, and A694 F65 Elbow is supplied with full traceability, MTRs, and optional Third-Party Inspection (TPI), guaranteeing quality from the A694 F65 Fittings Supplier in Mumbai, India, to your installation site globally. Request your competitive A694 F65 Flanges Price quote today for seamless or welded components for oil & gas, geothermal, and desalination projects. (Approx. 950 Characters)
ASTM A694 F65 is a High-Strength Low-Alloy (HSLA) forged material. Its composition is strictly controlled to ensure weldability while achieving the high tensile and yield strength required for pipeline applications.
| Element | Composition (%) Max | Note / Requirement |
|---|---|---|
| Carbon (C) | 0.30 | Controlled for weldability. |
| Manganese (Mn) | 1.60 | Maximum allowed. |
| Phosphorus (P) | 0.035 | Maximum impurity level. |
| Sulfur (S) | 0.035 | Maximum impurity level. |
| Silicon (Si) | 0.35 | |
| Copper (Cu) | 0.75 | When specified. |
| Nickel (Ni) | 0.50 | When specified. |
| Chromium (Cr) | 0.30 | When specified. |
| Molybdenum (Mo) | 0.12 | When specified. |
| Vanadium (V) | 0.10 | When specified. |
| Niobium (Nb) / Columbium (Cb) | 0.05 | When specified. |
| Carbon Equivalent (CE) | 0.45 | Max (Crucial for field welding). |
The F65 designation signifies a minimum yield strength of 65,000 psi, making it suitable for high-pressure oil and gas transmission pipelines compliant with API 6A and API 6D specifications.
| Property | Value | Standard Requirement |
|---|---|---|
| **Yield Strength (Minimum)** | **65,000 psi (450 MPa)** | The defining feature of F65 grade. |
| Tensile Strength (Minimum) | 77,000 psi (530 MPa) | Required tensile strength. |
| Elongation in 2 in. (Minimum) | 20% | Ensures ductility under stress. |
| Reduction of Area (Minimum) | 30% | Indicates forging quality. |
| Hardness (Maximum) | 22 HRC / 237 HBW | Typical max for sour service (NACE MR0175). |
| Heat Treatment | Quenched and Tempered (Q&T) or Normalized and Tempered (N&T) | Mandatory heat treatment for strength. |
We manufacture a full array of A694 F65 Flanges and High-Pressure Forged Fittings, ensuring dimensional interchangeability for high-integrity pipeline systems.
| Product Type | Standard Specification | Pressure Classes / Ratings |
|---|---|---|
| **Weld Neck Flanges (WNRF)** | ASME B16.5 / B16.47 Series A & B | Class 150 to Class 2500, API 6A |
| **Blind Flanges (BLRF)** | ASME B16.5 / B16.47 Series A & B | Class 150 to Class 2500, API 6A |
| Slip-On Flanges (SORF) | ASME B16.5 | Class 150 to Class 1500 |
| Threaded Flanges (THRF) | ASME B16.5 | Class 150 to Class 2500 |
| Lap Joint Flanges (LJRF) | ASME B16.5 | Class 150 to Class 2500 |
| **Socket Weld Fittings** (90°/45° Elbows, Tees, Couplings, Crosses) | **ASME B16.11** | **3000 LB, 6000 LB, 9000 LB** |
| **Threaded Fittings** (Elbows, Tees, Couplings, Plugs, Bushings) | **ASME B16.11** | **3000 LB, 6000 LB** |
| Long Weld Neck Flanges | ASME B16.5 / Customer Drawing | Various Ratings (Often API 6A/6D) |
| Orifice Flanges | ASME B16.36 | Class 300 to Class 2500 |
Our A694 F65 Flanges and Fittings are produced and certified to the following stringent international specifications, ensuring integrity for high-pressure pipeline service.
ASTM A694 F65 is specifically engineered for critical, high-pressure, long-distance pipeline systems in the oil and gas industry where robustness and weight reduction are essential.
Dipti Metal Industries is a proud ASTM A694 F65 Flanges Exporter, serving as a reliable A694 F65 Fittings Manufacturer and A694 F65 Supplier to OEMs, EPC contractors, and global distributors. We specialize in supplying fully certified High-Yield Carbon Steel fittings and flanges worldwide.
Are you searching for the most competitive A694 F65 Flanges Exporter price or need guaranteed API 6A/6D compliance? Contact Dipti Metal Industries, your expert ASTM A694 F65 Flanges Manufacturer and A694 F65 Supplier in Mumbai, India, today. We provide full documentation and the best solutions for all your pipeline connection needs.
Important: When requesting a quote, please specify the required **Product Type** (e.g., Weld Neck Flange or Socket Weld Elbow), **Size**, and **Pressure Class** (e.g., NPS 12", Class 900).
Find answers to common questions about A694 F65 Flanges Manufacturer production, standards, and typical applications in the oil and gas sector.
The 'F65' designation specifies the minimum yield strength requirement for the forged material in thousands of pounds per square inch (ksi). F65 material must have a minimum yield strength of **65 ksi (65,000 psi)**. This high yield strength makes it suitable for connecting to API 5L Grade X65 pipeline segments.
Yes. Since A694 F65 is commonly used in pipeline service, particularly in regions with low operating temperatures (e.g., Arctic or mountainous areas), Charpy V-Notch impact testing is often a mandatory supplementary requirement (S5). This test ensures the material retains adequate toughness at the specified minimum design temperature.
ASTM A694 F65 is conditionally compliant with NACE MR0175 / ISO 15156. The heat treatment (Quenched and Tempered) and hardness are strictly controlled to a maximum hardness limit (typically 22 HRC / 237 HBW) to prevent Stress Corrosion Cracking in sour gas (H₂S) environments. Certification must explicitly state NACE compliance.
Although the A694 specification primarily covers forgings used for flanges, it also includes components for pipeline use. For Butt-Weld Fittings that match the high-yield line pipe, the material is designated as **ASTM A860 WPHY 65**. These weld fittings follow the dimensional standards of **ASME B16.9**.
Global export expertise: Seaworthy export packing • Line-wise bagging & tagging • Full documentation & TPI. We are a worldwide A694 F65 Exporter and a key A694 F65 Supplier in Mumbai, India.