Anvil 1/2" Black 45-Degree Elbow. It is made of durable malleable iron with a black finish for corrosion resistance. This elbow is designed to connect two pipes at a 45-degree angle, providing a versatile solution for your plumbing needs. It conforms to ASME B16.3 and B16.39 standards and is 100% gas tested at a minimum of 100 PSI (6.9 bar) for added reliability. Suitable for water and oil applications.