1. 80mm dia. pipe, ASTM A 53 Gr. B, seamless schedule 40.
2. 65mm dia. pipe, ASTM A 53 Gr. B, seamless schedule 40.
3. 50mm dia. pipe, ASTM A 53 Gr. B, seamless schedule 40.
4. 25mm dia. pipe, ASTM A 53 Gr. B, seamless schedule 40