ASC Anvil 1/8" Black Street 90-Degree Elbow. Made of durable malleable iron with a black finish, this elbow offers reliable performance for gas, water, and oil applications. It meets ASME B16.3 and B16.39 standards and undergoes rigorous testing, including 100 percent gas testing at a minimum of 100 PSI (6.9 bar) for elbows and tees 3/8 inch (10 DN) and larger.