ASC Anvil 3/8" Black 90-Degree malleable iron elbow is made to connect two pipes at a 90-degree angle. It is ideal for use with gas, oil, and air applications, and its threads comply with ANSI B 1.20.1 standards. Anvil international offers the broadest line of malleable iron fitting in black finish. Every fitting is manufactured and tested to meet anvils strict quality standards. All anvil class 150 malleable iron fittings conform to ASME b16.3 and unions conform to ASME b16.39.