Cast carbon steel is the ideal solution for all industries and all valve types. Suitable for commodity and critical applications, cast carbon steel is a cost-effective solution for most piping systems.Supcon Valve offers cast carbon steel materials in most of its product lines.
Warren Valve's line of cast carbon steel valves materials of construction include WCB, LCC, and LCB. for oil and gas refineries and petrochemical plants, Supcon Valve's cast carbon steel valves are a cost-effective and quality choice. supcon Valve undergoes stringent quality testing.
Carbon steel is an amalgam of iron and mercury in which carbon is the primary alloying component. Typically, no additional alloying components are added to control the material's properties. Carbon steel is most commonly used in sand casting techniques to manufacture the frame and rotor of butterfly valves.
Carbon steel is available in a variety of grades. Casting class LCC (low carbon content) and ASTM A216 WCB (weldable casting class B) steels are most commonly used for valve frames and flappers. wCB materials are best suited for high heat resistance, while LCC materials can be used at low (subzero) temperatures.
Cast carbon steel (ASTM A216, grade WCB) is commonly used for larger valves ranging in size from 1-1/2 to 24 inches. It consists of 30% carbon, 1% manganese, 0.05% phosphorus, 0.06% sulfur, and 0.06% silicon. It has the following material properties:
Tensile strength (psi) ....... .70,000
36,000 psi Yield strength
It is easily weldable and suitable for use with steam, water and gases.
Carbon steel has excellent mechanical properties and is resistant to stress degradation and sulfides. Carbon steel offers varying temperature resistance as well as excellent toughness and wear resistance. It is mainly used for gate, globe and check valves at temperatures up to 454oC.
The main advantage of carbon steel is its low cost, which provides a cost-effective alternative to valves where other features are considered less important than price.
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