Type 15-5 PH VAC CE

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Elements (Max.) Carbon Chromium Manganese Nickel Phosphorus Copper Sulfur Columbium plus Tantalum Silicon 0.07 14.00-15.50 1.00 3.50- 5.50 0.04 2.50- 4.50 0.03 0.15- 0.45 1.00

Type 15-5 PH VAC CE is a precipitation-hardening stainless steel that offers a unique combination of high strength and hardness, excellent corrosion resistance plus excellent transverse toughness and good forgeability. Type 15-5 PH stainless is produced by consumable electrode vacuum arc remelting (designated VAC CE). 15-5 PH VAC CE stainless steel is produced by consumable electrode vacuum arc remelting to meet the stringent mechanical property and cleanliness requirements of the space and nuclear industries. Besides lowering gas content, VAC CE adds other advantages to 15-5 PH VAC CE stainless. It reduces and disperses inclusions, and minimizes alloy segregation during solidification. These factors, coupled with the elimination of delta ferrite, combine to give 15-5 PH VAC CE stainless excellent transverse mechanical properties in any test location. Consequently, it has good transverse notch-toughness and forgeability. In severe upset forging or hot flattening operations where splitting or rupturing are encountered with high strength steels, 15-5 PFI VAC CE stainless offers valuable advantages. lts forgeability is superior to 17-4 PH stainless steel.

APPLICATIONS: Type 15-5 PH VAC CE stainless steel is ideal for applications requiring high strength and toughness in all directions. Typical applications include forgings, pump and valve pads for high pressure systems requiring excellent corrosion resistance, pressure transducers, aircraft components and transversely loaded plate applications. Registered Trade-Mark of Armco steel Corporation. NOTE: 17-4 PH and 15-5PH VAC Cb are normally stocked in condition A (fully annealed).