The ASTM A217 C12A Strainer is a high-pressure filtration device made from low alloy steel C12A, specifically designed for steam applications. It captures solid particles in fluid by passing it through a straining element with small holes, preventing damage or blockages in the piping system. ASTM A217 Grade C12A is a blend of carbon, manganese, silicon, sulfur, phosphorus, with 9% chromium and 1% molybdenum. These valves are built to handle high-pressure steam applications and can operate at temperatures above 595 degrees Celsius.

ASTM A217 Grade C12A vs. ASTM A217 Grade C12

ASTM A217 Grade C12A features a narrower carbon content range and incorporates additional alloying elements like vanadium and nitrogen, absent in grade C12. Grade C12A exhibits a higher minimum reduction of area compared to grade C12, implying potentially improved ductility post-deformation. Although both grades share the same minimum yield strength, Grade C12A shows a slightly reduced tensile strength range but a higher minimum reduction of area, indicating it may offer superior toughness and formability overall.

 

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