550MPa-yield-strength fire-resistant weather-resistant earthquake-proof construction steel and production method thereof
A yield strength, fire and weather resistance technology, which is applied in the field of fire-resistant, weather-resistant and seismic-resistant construction steel with a yield strength of 550 MPa and its production field, can solve the problem of low strength levels of steel grades, and achieve the effect of improving the safety of use and reducing maintenance costs.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0032] The present invention is described in detail below:
[0033] Table 1 is the value list of each embodiment of the present invention and comparative example;
[0034] Table 2 is the main process parameter list of each embodiment of the present invention and comparative example;
[0035] Table 3 is a list of the performance tests of the various embodiments of the present invention and comparative examples.
[0036] Each embodiment of the present invention is produced according to the following steps:
[0037] 1) Carry out desulfurization of molten iron, and control S in molten iron to ≤0.001%;
[0038] 2) Carry out converter smelting, and control C in molten steel: 0.041~0.125%, P≤0.008%;
[0039] 3) Carry out vacuum treatment in the RH furnace, add Mg element to make Mg: 0.0071~0.0098%, and control O≤0.0012%;
[0040] 4) Conventional continuous casting and heating of the slab, the heating temperature is controlled at 1200-1320°C;
[0041] 5) Carry out segmental rolli...
PUM
Property | Measurement | Unit |
---|---|---|
Yield strength | aaaaa | aaaaa |
Yield strength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com