Superelso 500HR, also known as SE 500HR, is a high yield strength, quenched-and-tempered alloy for wet H2S service in the oil and gas industry. This datasheet provides information on composition, hardness, and tensile properties. It also includes information on corrosion resistance as well as forming, heat treating, and joining. Filing Code: SA-554. Producer or source: Industeel USA, LLC.