GB/T 41324-2022 Translated English of Chinese Standard. (GBT41324-2022): Fire-resistant weathering steels for structure [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This document specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of fire-resistant weathering steels for structure. This document applies to hot-rolled steel plates and strips and hot-rolled section steels with fire resistance and atmospheric corrosion resistance for the manufacture of general structures and building structures. |
Contents
Test methods | 16 |
Inspection rules | 17 |
| 18 | |
Appendix A Normative Evaluation method for atmospheric corrosion resistance | 19 |
Appendix B Normative Relative corrosion rate determination method | 20 |
Common terms and phrases
according to Formula acetone allowable deviation analysis of iron arithmetic mean atmospheric corrosion resistance buyer chemical analysis chemical composition melting chromium composition melting analysis content GB/T corrosion resistance index crack susceptibility index Designation Quality grade document Fire-resistant weathering steels hot-rolled section steels hot-rolled steel plates impact test Inspection item Iron and Steel iron oxide scale Low-alloy steel mass fraction meet the requirements Methods for chemical millimeters molybdenum multi-element contents Negotiated Negotiated Negotiated niobium photometric method pinyin plates and strips provisions of GB/T relative corrosion rate replenishing solution requirements in Table section steel GB/T specified value steel and alloy steel shall comply steel shall meet steel strip steels for structure supplier surface quality susceptibility index Pcm take longitudinal samples take transverse samples tensile test test method thermal mechanical control through-thickness characteristics titanium titration Ultrasonic testing upper yield strength vanadium weight loss rate weldability welding crack susceptibility YB/T Yield ratio