GB/T 21833.2-2020 Translated English of Chinese Standard. (GBT 21833.2-2020, GB/T21833.2-2020, GBT21833.2-2020): Seamless austenitic-ferritic (duplex) stainless steel tubes and pipes - Part 2: Pipes for fluid servicehttps://www.chinesestandard.net, 2020 M06 12 - 19 pages This Part of GB/T 21833 specifies the order content, dimensions, shapes, masses, technical requirements, test methods, inspection rules, packing, marking, and quality certification of seamless austenitic-ferritic (duplex) stainless steel tubes and pipes for fluid service. |
Contents
3 | |
Scope | 5 |
Order content | 7 |
Dimensions shapes and masses | 8 |
Technical requirements | 10 |
Test methods | 16 |
Inspection rules | 17 |
Packing marking and quality certification | 18 |
Appendix A Informative Hightemperature mechanical properties of some designations | 19 |
Common terms and phrases
agreement By agreement analysis of iron austenite chemical analysis composition of steel contract corrosion TAKE Designation and chemical diameter and wall dimensions drift-expending test eddy current testing edition FeCl3 ferric chloride ferrite fixed length fluid service gravimetric method Heat treatment system hydrostatic pressure test Infrared absorption method inspection items intergranular corrosion Jiangsu lot GB/T megapascals Metallic materials method after combustion method of steel Methods for chemical millimeters Modulus of elasticity molybdenum multiple length negotiation nominal outer diameter nominal wall thickness pipe shall meet Pipes for fluid pipes shall comply pitting corrosion provisions of GB/T purchaser quality certification Quenching Quenching Quenching requirements of Table Rockwell hardness sampling methods Sampling quantities Seamless austenitic-ferritic duplex Smelting method spectrophotometric method GB/T stainless steel tubes steel and alloy Steel and iron supplier TAKE 1 sample Tensile strength test GB/T Test method GB/T test pressure theoretical mass Titration tubes and pipes ultrasonic testing Zhejiang