Ausferrite ductile cast iron grinding ball
A technology of nodular cast iron and austenite, which is applied in the field of cast iron alloys, can solve the problems of easy white and bright areas in the grinding ball structure, difficult control of process parameters, and low production efficiency of ball mills, so as to improve mechanical properties, improve nodularization rate, and distribution refinement effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0029] The mass percent of the chemical element composition of a kind of ausfertic ductile iron grinding ball of the present embodiment is: 3.5%C, 3.0%Si, 1.7%Mn, 0.7%Cr, 1.0%Mo, 1.0%Cu, 0.04%P, 0.01% S, 0.03% Mg, 0.02% Ce, 0.03% B, 0.06% Ti, 0.2% V and the rest is Fe, and is prepared by the following steps:
[0030] The first step, raw material preparation and smelting
[0031] According to the mass percentage of elements, it is 3.5%C, 3.0%Si, 1.7%Mn, 0.7%Cr, 1.0%Mo, 1.0%Cu, 0.04%P, 0.01%S and the rest is Fe. The raw materials for preparation: pig iron, scrap steel, silicon For iron, ferromanganese, ferrochrome, ferromolybdenum and copper, put the prepared raw materials into an intermediate frequency induction furnace, heat up until all raw materials are melted, and smelt into ausferitic nodular cast iron raw iron, and the furnace temperature is 1500 ℃;
[0032] The second step, spheroidization treatment, inoculation treatment and microalloying treatment
[0033] Spheroidiz...
Embodiment 2
[0038] The mass percent of the chemical element composition of a kind of ausfertic ductile iron grinding ball of the present embodiment is: 3.3%C, 2.5%Si, 2.5%Mn, 1.5%Cr, 0.3%Mo, 0.1%Cu, 0.06%P, 0.015% S, 0.04% Mg, 0.03% Ce, 0.05% B, 0.09% Ti, 0.12% V and the rest is Fe, and is prepared by the following steps:
[0039] The first step, raw material preparation and smelting
[0040] According to the mass percentage of elements, it is 3.3%C, 2.5%Si, 2.5%Mn, 1.5%Cr, 0.3%Mo, 0.1%Cu, 0.06%P, 0.015%S and the rest is Fe. The raw materials for preparation: pig iron, scrap steel, silicon For iron, ferromanganese, ferrochrome, ferromolybdenum and copper, put the prepared raw materials into an intermediate frequency induction furnace, heat up until all raw materials are melted, and smelt into ausferitic nodular cast iron raw iron, and the furnace temperature is 1550 ℃;
[0041] The second step, spheroidization treatment, inoculation treatment and microalloying treatment
[0042] Spheroi...
Embodiment 3
[0047] The mass percent of the chemical element composition of a kind of ausferic ductile iron grinding ball of the present embodiment is 3.7%C, 2.0%Si, 1.0%Mn, 3.0%Cr, 0.1%Mo, 0.8%Cu, 0.08%P, 0.020 %S, 0.05% Mg, 0.04% Ce, 0.07% B, 0.12% Ti, 0.03% V and the rest is Fe, and is prepared by the following steps:
[0048] The first step, raw material preparation and smelting
[0049] According to the mass percentage of elements, it is 3.7%C, 2.0%Si, 1.0%Mn, 3.0%Cr, 0.1%Mo, 0.8%Cu, 0.08%P, 0.02%S and the rest is Fe. Raw materials: pig iron, scrap steel, silicon For iron, ferromanganese, ferrochrome, ferromolybdenum and copper, put the prepared raw materials into an intermediate frequency induction furnace, heat up until all the raw materials are melted, and smelt into ausferitic nodular cast iron raw iron, and the furnace temperature is 1520 ℃;
[0050] The second step, spheroidization treatment, inoculation treatment and microalloying treatment
[0051]Spheroidizing treatment, in...
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