After-forging grain-refining strength-toughening treatment process of 1Mn18Cr18N steel guard ring for generating set
A 1mn18cr18n, generator set technology, applied in the field of fine grain strengthening and toughening treatment after forging, can solve problems such as insufficient forging ratio, stress concentration, overheating and overburning, forging cracking, etc., to improve the uniformity of grains, eliminate work hardening, Uniform deformation effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0019] Fine-grain strengthening and toughening treatment process of 1Mn18Cr18N steel retaining ring forgings for generator sets after forging, including solution heat treatment, pre-cooling and deformation, solution heat treatment again, and sampling inspection for solution heat treatment of rough-machined steel retaining ring forgings effect, the specific steps are:
[0020] A. Solution heat treatment: put the roughly machined steel retaining ring forgings into the furnace at ≤300°C, and raise the temperature to 640-660°C at a rate of ≤40°C / h, then keep it warm for 1.5-2.5 hours, and then raise the temperature to 1040-1050°C ℃, solution heat treatment is carried out according to 1 hour / 40mm wall thickness, and then water cooling immediately after being out of the furnace;
[0021] B. Pre-cooling deformation and solution heat treatment again: at room temperature, the forging obtained in step A is subjected to pre-cold deformation treatment according to the cold deformation amo...
Embodiment 2
[0026] Fine-grain strengthening and toughening treatment process of 1Mn18Cr18N steel retaining ring forgings for generator sets after forging, including solution heat treatment, pre-cooling and deformation, solution heat treatment again, and sampling inspection for solution heat treatment of rough-machined steel retaining ring forgings effect, the specific steps are:
[0027] A. Solution heat treatment: put the roughly machined steel retaining ring forgings into the furnace at ≤300°C, and raise the temperature to 640-660°C at a rate of ≤40°C / h, then keep it warm for 1.5-2.5 hours, and then raise the temperature to 1040-1050°C ℃, solution heat treatment is carried out according to 1 hour / 40mm wall thickness, and then water cooling immediately after being out of the furnace;
[0028] B. Pre-cooling and deformation and solution heat treatment again: at 360 ° C, the forging obtained in step A is subjected to pre-cold deformation treatment according to the cold deformation of the o...
Embodiment 3
[0033] Fine-grain strengthening and toughening treatment process of 1Mn18Cr18N steel retaining ring forgings for generator sets after forging, including solution heat treatment, pre-cooling and deformation, solution heat treatment again, and sampling inspection for solution heat treatment of rough-machined steel retaining ring forgings effect, the specific steps are:
[0034] A. Solution heat treatment: put the roughly machined steel retaining ring forgings into the furnace at ≤300°C, and raise the temperature to 640-660°C at a rate of ≤40°C / h, then keep it warm for 1.5-2.5 hours, and then raise the temperature to 1040-1050°C ℃, solution heat treatment is carried out according to 1 hour / 40mm wall thickness, and then water cooling immediately after being out of the furnace;
[0035] B. Pre-cooling deformation and solid solution heat treatment again: at 180°C, the forging obtained in step A is subjected to pre-cold deformation treatment according to the cold deformation amount o...
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, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com