This standard applies to seamless nickel copper alloy pipes (hereinafter referred to as pipes) with round cross-sections that have been fully processed.
KS D 5539-2002 history
2022KS D 5539-2022 Nickel-copper alloy seamless pipes and tubes
0000 KS D 5539-2002(2017)
2002KS D 5539-2002 Nickel-copper alloy seamless pipes and tubes