1. ASM Sec VIII Div.1. Appdix.2.
2. ASME B1.20.1, Unified inch screw threads (UN and thread form).
3. ASME B16.5, Steel pipe flanges and flanged fittings, including rating for class 150, 300, 400, 600, 900, 1500 and 2500.
4. ASME B16.21, Nonmetallic flat gaskets for pipe flanges.
5. ASME B18.2.2, Square and hex nuts.