- Wrought Copper and Copper Alloy Solder Joint Pressure Fittings: ASME/ANSI Std. B16.22 - 2001
- Tubular Wrought Copper: Standard Specification for Seamless Copper Tube: ASTM B75 Alloy C12200
- The industry standards are: ANSI (American National Standards Institute); ASME (The American Society of Mechanical Engineers); MSS (Manufacturers Standardization Society of the Valve and Fittings Industry Inc.); ASTM (American Society for Testing and Materials).
- All Cello Products Inc. wrought copper fittings are NSF 61 registered.