When selecting gas pipe for your home STZ pipe and fittings are the way to go. Our durable black iron fittings are 100% pressure tested and protected right at the factory. Pipe connectors and fittings come in a array of sizes for residential gas air and LP applications. Brand Name: STZ Industries End 1 Diameter: 1/2 in. End 1 Type: FIP each End 2 Diameter: 1/2 in. End 2 Type: MIP Finish: Black Material: Malleable Iron Product Type: 90 Degree Street Elbow Average Lead Content: Lead-Free Maximum Pressure: 300 PSI Maximum Temperature: 150 ?F Packaging Type: Bagged.