Apple Steel offers a wide-range of carbon steel pipe (Seamless and ERW) products. ASTM A106 pipe (also covered in ASME specifications as S/A 106) is the standard specification for seamless carbon steel pipe for high-temperature service. Most common uses are in refineries and plants when gasses or fluids are transported at high temperatures and pressures. Apple Steel Supply is a world leader in the supply of A106 / SA 106 pipe and stocks a full range of grades B/C in a size rage of ½" to 28". Our products known for their standard quality.