Chiranjiv Steel Centre Supply is a world leader in the supply of Grade B A106 / SA 106 pipe and stocks a full range of grades B/C in a size rage of NPS 1/8" to NPS 48". ASTM A106 Seamless Pressure Pipe also known as ASME SA106 pipe, covers seamless carbon steel nominal wall pipe for high-temperature service. Suitable for bending, flanging and similar forming operations.