NB/T 47019.9-2021 Specification for ordering of pipes for boilers and heat exchangers - Part 9: Nickel and nickel alloys

NB/T 47019.1-2021 NB/T 47019.1-2021 Ordering Technical Conditions for Tubes Used in Boilers and Heat Exchangers Part 1: General Requirements NB/T 47019.2-2021 Specifications for the technical conditions for ordering of boiler and heat exchanger pipes - Part 2: Non-alloy and alloy steel pipes with specified room temperature properties NB/T 47019.3-2021 Specifications for the technical conditions for ordering of boiler and heat exchanger pipes - Part 3: Non-alloy and alloy steels with specified high-temperature properties NB/T 47019.4-2021 Order Specification for Low Alloy Steel Tubes for Boilers and Heat Exchangers - Part 4: Low Temperature Application for Low Alloy Steel Tubes NB/T 47019.5-2021 Specification for orders of boiler and heat exchanger tubes - Part 5: Stainless steel NB/T 47019.6-2021 Nitriled piping technical requirements for boilers and heat exchangers Part 6: Austenitic-ferromagnetic duplex stainless steel NB/T 47019.7-2021 Technical Conditions for Ordering of Tubes for Boilers and Heat Exchangers - Part 7: Copper and Copper Alloys NB/T 47019.8-2021 Technical Conditions for Orders of Tubes for Boilers and Heat Exchangers - Part 8: Titanium and Titanium Alloys