What is ASTM A694?
ASTM A694 Flange Specifications (Grades F52, F60, F65)
ASTM A694 refers to materials for carbon and alloy steel pipe flanges, fittings, valves and parts for high-pressure liquid transportation. Covering F42, F46, F50, F52, F56, F60, F65, F70 and other material grades.
What is F65 Threaded Flange ?
ASTM A694 Grade F65 is a low alloy steel, often selected for its high yield capabilities combined with its excellent low temperature toughness and weldability.
ASTM A694 f65 flanges have a yield strength of 65ksi and flange sizes range from ½ inch to 48 inches. There are also different pressure levels, ranging from #150 to #2500. The pressure capability of an ASTM A694 f42 flange may also be expressed as a pressure number in the range PN6 to PN64. Flanges have different types according to their surface shapes, such as flat, convex, and ring joints. ASTM A694 f60 flanges also have different functional types, such as blind flanges, reducing flanges, butt welding flanges, etc.
Carbon Steel ASTM A694 Flanges Chemical Element
| Element | Weight % |
| Carbon | 0.08 – 0.15 |
| Silicon | 0.15 – 0.50 |
| Manganese | 0.30 – 0.60 |
| Phosphorus | 0.025 max * |
| Sulphur | 0.025 max * |
| Molybdenum | 0.90 – 1.10 |
| Chromium | 2.00 – 2.50 |
| Nickel | 0.5 max |
High Yield F46 CS Slip On Flanges
On Quality Control, GNEE applied 100% flaw detection, ultrasonic test, X-ray, pressure test on piping to maintain the quality of delivery. Besides, GNEE are also equipped with
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Gnee Factory environment
FAQ
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