Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 7385-1995
Scope
This standard applies to steel pipes for low-temperature heat exchangers below freezing point (hereinafter referred to as steel pipes), such as heat exchanger tubes, condenser tubes, etc. Remarks: 1. In addition to the inspection items of this standard, if the buyer and the seller agree in advance, they may specify some or all of the items in the special quality requirements Z1, Z3, Z4 in Appendix 1 and U-shaped bends in Appendix 2. Appendix 1: Z1 hardness Z3 ultrasonic testing Z4 eddy current
CNS 7385-1995 history
1995CNS 7385-1995 Steel Tubes for Low Temperature Service Heat Exchanger