Alloy steel
A technology of alloy steel and finished products, applied in the field of alloy steel, can solve the problems of short service life, increased production cost, limited wear resistance, etc., and achieve the effects of low production cost, improved plasticity and good wear resistance
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0027] A kind of alloy steel, the chemical composition of its finished product includes carbon, silicon, manganese, chromium, molybdenum, nickel, aluminum, sulfur, phosphorus, and the weight percentage of its composition is: carbon 0.33%, silicon 0.3%, manganese 0.6%, Chromium 4.0%, molybdenum 0.1%, nickel 0.1%, aluminum 0.08%, sulfur ≤ 0.03%, phosphorus ≤ 0.035%, the balance is iron and residues.
[0028] The present invention is realized by following production method:
[0029] (1) Weighing and preparing materials
[0030] ① Scrap iron, scrap steel or A3 steel or low carbon steel.
[0031] (2) Melting
[0032] a. Furnace bottom charging. Add 13kg of slaked lime per ton of charge, and high-carbon ferromanganese with a carbon content of less than 6.9% and a maximum phosphorus content of 0.1%. The amount of high-carbon ferromanganese depends on the type of waste material or recycled material. 5kg-10kg;
[0033] b. Add steel scrap or return material;
[0034] c. When the r...
Embodiment 2
[0043] Alloy steel, the chemical composition of its finished product includes carbon, silicon, manganese, chromium, molybdenum, nickel, aluminum, sulfur, phosphorus, and the weight percentage of its composition is: carbon 0.42%, silicon 0.9%, manganese 1.2%, chromium 5.6 %, molybdenum 0.1%-0.6%, nickel 0.6%, aluminum 0.2%, sulfur ≤ 0.03%, phosphorus ≤ 0.035%, and the balance is iron and residues.
[0044] The present invention is realized by following production method:
[0045] (1) Weighing and preparing materials
[0046] Scrap iron, scrap steel or A 3 steel or mild steel.
[0047] (2) Melting
[0048] a. Furnace bottom charging. Add 13kg of hydrated lime per ton of charge, and high-carbon ferromanganese with a carbon content of less than 6.9% and a maximum phosphorus content of 0.1%. 5kg-10kg;
[0049] b. Add steel scrap or return material;
[0050] c. When the returned materials are all melted and in a molten state, take samples for analysis;
[0051] d. When the e...
Embodiment 3
[0059] Alloy steel, the chemical composition of its finished product includes carbon, silicon, manganese, chromium, molybdenum, nickel, aluminum, sulfur, phosphorus, and the weight percentage of its composition is: carbon 0.375%, silicon 0.6%, manganese 0.9%, chromium 5.1 %, molybdenum 0.35%, nickel 0.35%, aluminum 0.14%, sulfur ≤ 0.03%, phosphorus ≤ 0.035%, and the balance is iron and residues.
[0060] The present invention is realized by following production method:
[0061] (1) Weighing and preparing materials
[0062] Ferroalloy: ferromanganese containing more than 80% manganese and less than 0.08% carbon or ferrosilicon containing more than 75% silicon or ferrochrome containing more than 60% chromium and less than 0.25% carbon;
[0063] (2) Melting
[0064] a. Furnace bottom charging. Add 13kg of slaked lime per ton of charge, and high-carbon ferromanganese with a carbon content of less than 6.9% and a maximum phosphorus content of 0.1%. The amount of high-carbon ferr...
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