Specifications For Ordering Tubes For Boilers And Heat Exchangers - Part 6: Ferritic/Austenitic Duplex Stainless Steels 2022-01-05 14:05:01 浙江中达新材料股份有限公司 Viewd 20 PreviousSpecifications For Ordering Tubes For Boilers And Heat Exchangers - Part 5: Stainless Steel Tubes NextSpecifications for ordering tubes for boilers and heat exchangers - Part 9: Nickel and nickel alloys