CN103014558A - High-hardness high-wearability alloy steel - Google Patents
High-hardness high-wearability alloy steel Download PDFInfo
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- CN103014558A CN103014558A CN2012105255436A CN201210525543A CN103014558A CN 103014558 A CN103014558 A CN 103014558A CN 2012105255436 A CN2012105255436 A CN 2012105255436A CN 201210525543 A CN201210525543 A CN 201210525543A CN 103014558 A CN103014558 A CN 103014558A
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Abstract
The invention relates to a high-hardness high-wearability alloy steel. The alloy steel comprises the chemical components in percentage by mass: 0.25 to 0.36 percent of carbon, 0.5 to 0.8 percent of silicon, 1.5 to 1.7 percent of manganese, 0.5 to 0.78 percent of chromium, 1.87 to 2.56 percent of nickel, 0.03 to 0.13 percent of rhenium, 0.005 to 0.01 percent of boron, less than 0.035 percent of phosphorus, less than 0.055 percent of sulfur and the balance of iron.
Description
Technical field
The present invention relates to a kind of steel alloy, relate in particular to a kind of hard high-wearing feature steel alloy.
Background technology
The history in existing more than 100 year of steel alloy.The industrial alloy steel products that more uses approximately is in latter half in 19th century.Turnout and usage quantity owing to steel constantly increased at that time, machinery manufacturing industry need to solve the processing problem of cutting of steel, it is the self-hardening steel of 2.5%Mn-7%W that composition has been invented by Britain forces in 1868 uncommon special (R.F.Mushet), and cutting speed is brought up to 5 m/mins.Along with development commercial and transportation, 1870 in the U.S. (1.5～2.0%Cr) to have built span at Mississippi be 158.5 meters bridge with chromium steel; Because difficulty occurs during tool member, after a while, some industrial countries use the bridge that nickel steel (3.5%Ni) is built large span instead.Meanwhile, some countries also are used for building warship with nickel steel.Along with the development of engineering, require to accelerate the velocity of rotation of machinery, the high carbon chromium roller bearing steel appearred in West Europe in 1901.Develop again the rapid tool steel of 18W-4Cr-1V type in 1910, further cutting speed has been brought up to 30 m/mins.As seen the appearance of steel alloy and development is the requirement that has adapted to the social productive forces development, and be particularly inseparable with the needs of machinofacture, communications and transportation and war industry.
At present, material commonly used generally has two kinds on the market: a kind of is high mangaenese steel, and another kind is common steel alloy.High mangaenese steel good toughness but intensity is low, common steel alloy hardness is high, wear resistance is good but poor toughness.
Summary of the invention
Technical problem to be solved by this invention is: a kind of hardness height, good toughness, steel alloy that wear resistance is good are provided.
For addressing the above problem, the technical solution used in the present invention is: a kind of hard high-wearing feature steel alloy, and the chemical ingredients of described steel alloy and mass percent thereof are: carbon (C): 0.25～0.36%; Silicon (Si): 0.5～0.8%; Manganese (Mn): 1.5～1.7%; Chromium (Cr): 0.5～0.78%; Nickel: (Ni) 1.87～2.56%; Rhenium (Re): 0.03～0.13%; Boron (B): 0.005～0.01%; Phosphorus (P)＜0.035%; Sulphur (S)＜0.055%, all the other are that iron (Fe) forms.
The invention has the beneficial effects as follows: above-mentioned a kind of hard high-wearing feature steel alloy has hardness height, good toughness, advantage that wear resistance is good.
Embodiment
Below by specific embodiment a kind of hard high-wearing feature steel alloy of the present invention is further described.
Embodiment one:
A kind of hard high-wearing feature steel alloy, the chemical ingredients of described steel alloy and mass percent thereof are:
Carbon (C): 0.25%; Silicon (Si): 0.8%; Manganese (Mn): 1.5%; Chromium (Cr): 0.78%; Nickel: (Ni) 1.87%; Rhenium (Re): 0.13%; Boron (B): 0.005%; Phosphorus (P) 0.015%; Sulphur (S)＜0.032%, all the other are that iron (Fe) forms.
Embodiment two:
A kind of hard high-wearing feature steel alloy, the chemical ingredients of described steel alloy and mass percent thereof are:
Carbon (C): 0.36%; Silicon (Si): 0.5%; Manganese (Mn): 1.7%; Chromium (Cr): 0.5%; Nickel: (Ni) 2.56%; Rhenium (Re): 0.03%; Boron (B): 0.01%; Phosphorus (P) 0.022%; Sulphur (S) 0.028%, all the other are that iron (Fe) forms.
Embodiment three:
A kind of hard high-wearing feature steel alloy, the chemical ingredients of described steel alloy and mass percent thereof are: carbon (C): 0.3%; Silicon (Si): 0.66%; Manganese (Mn): 1.55%; Chromium (Cr): 0.67%; Nickel: (Ni) 2.05%; Rhenium (Re): 0.08%; Boron (B): 0.008%; Phosphorus (P) 0.015%; Sulphur (S) 0.015%, all the other are that iron (Fe) forms.
Claims (1)
1. hard high-wearing feature steel alloy, it is characterized in that: the chemical ingredients of described steel alloy and mass percent thereof are: carbon: 0.25～0.36%; Silicon: 0.5～0.8%; Manganese: 1.5～1.7%; Chromium: 0.5～0.78%; Nickel: 1.87～2.56%; Rhenium: 0.03～0.13%; Boron: 0.005～0.01%; Phosphorus＜0.035%; Sulphur＜0.055%, all the other form for iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105255436A CN103014558A (en) | 2012-12-10 | 2012-12-10 | High-hardness high-wearability alloy steel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012105255436A CN103014558A (en) | 2012-12-10 | 2012-12-10 | High-hardness high-wearability alloy steel |
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| CN103014558A true CN103014558A (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012105255436A Pending CN103014558A (en) | 2012-12-10 | 2012-12-10 | High-hardness high-wearability alloy steel |
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| CN (1) | CN103014558A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004359991A (en) * | 2003-06-03 | 2004-12-24 | Nippon Steel Corp | Method of manufacturing high-strength low-alloy boiler steel of excellent creep characteristic |
| JP2005139485A (en) * | 2003-11-05 | 2005-06-02 | Nippon Steel Corp | Steel sheet to be hot-formed |
| CN101555573A (en) * | 2009-04-21 | 2009-10-14 | 广州有色金属研究院 | Alloy steel and heat treatment method thereof |
| CN102517499A (en) * | 2011-12-19 | 2012-06-27 | 张家港市鼎力铸钢有限公司 | High-strength and low-cost dilute alloy wear resistant cast steel |
| CN102758067A (en) * | 2012-06-29 | 2012-10-31 | 暨南大学 | Thermal treatment method for wear-resistant low alloy steel |
-
2012
- 2012-12-10 CN CN2012105255436A patent/CN103014558A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004359991A (en) * | 2003-06-03 | 2004-12-24 | Nippon Steel Corp | Method of manufacturing high-strength low-alloy boiler steel of excellent creep characteristic |
| JP2005139485A (en) * | 2003-11-05 | 2005-06-02 | Nippon Steel Corp | Steel sheet to be hot-formed |
| CN101555573A (en) * | 2009-04-21 | 2009-10-14 | 广州有色金属研究院 | Alloy steel and heat treatment method thereof |
| CN102517499A (en) * | 2011-12-19 | 2012-06-27 | 张家港市鼎力铸钢有限公司 | High-strength and low-cost dilute alloy wear resistant cast steel |
| CN102758067A (en) * | 2012-06-29 | 2012-10-31 | 暨南大学 | Thermal treatment method for wear-resistant low alloy steel |
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Application publication date: 20130403 |