High-niobium Q460-grade fire-resistant steel and manufacturing method thereof
A manufacturing method and refractory technology, applied in the direction of temperature control, etc., can solve the problems of restricting the market promotion and application of refractory steel, large amount of precious alloy addition, high manufacturing cost, etc., and achieve high production efficiency, easy welding, and short production process.
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Example Embodiment
[0034] Example
[0035] A manufacturing method of high-niobium Q460 intelligent refractory steel includes the following processes:
[0036] 1) The chemical composition is as follows by weight percentage: C: 0.01~0.20%, Si: 0.1~0.4%, Mn: 0.5~1.5%, Cr: 0.1~1.0%, Mo: 0.01~0.2%, Nb: 0.05~0.15% , Ti: 0.01~0.05%, P: ≤0.015%, S: ≤0.0020%, the balance is Fe and inevitable impurities, and the total amount of impurity elements does not exceed 0.05%.
[0037] According to the production process of the present invention, the actual chemical composition of the steel grade of the present invention is shown in Table 1.
[0038] Table 1 Chemical composition (wt%) of the embodiment of the present invention;
[0039] ;
[0040] 2) The rolling process is: heating temperature is 1150℃~1250℃, heating time is 120~200min; rough rolling finishing temperature is 1000~1050℃, intermediate billet thickness / finished product thickness is 2~5; finishing rolling temperature is 900 ~1000℃, final rolling temperature...
PUM
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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap