CN103572168A - Tool steel material for saw blades and preparation method thereof - Google Patents
Tool steel material for saw blades and preparation method thereof Download PDFInfo
- Publication number
- CN103572168A CN103572168A CN201310497605.1A CN201310497605A CN103572168A CN 103572168 A CN103572168 A CN 103572168A CN 201310497605 A CN201310497605 A CN 201310497605A CN 103572168 A CN103572168 A CN 103572168A
- Authority
- CN
- China
- Prior art keywords
- rare earth
- tool steel
- steel material
- vanadium
- saw blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Powder Metallurgy (AREA)
Abstract
The invention relates to a tool steel material for saw blades and a preparation method thereof. The tool steel material for saw blades comprises the following components in percentage by weight: 1.8-2.0% of carbon, 0.35-0.5% of silicon, 4.2-4.3% of chromium, 8.2-8.3% of tungsten, 4.2-4.5% of vanadium, 3.5-3.8% of molybdenum, 0.2-0.3% of cobalt, 1.3-1.4% of manganese, 0.12-0.15% of titanium, 0.8-1.0% of copper and aluminum, 0.5-0.6% of boron, 0.003-0.004% of rare earth containing niobium and yttrium, and the balance of iron. The technical scheme provided by the invention ensures that the vanadium, cobalt and molybdenum, which are beneficial to enhancing strength and have certain toughness, and the copper and aluminum for enhancing toughness can be better combined with the tungsten, chromium and titanium so as to reduce precipitation.
Description
Technical field
The invention belongs to alloy field, refer to a kind of tool steel, refer to especially tool steel material and preparation method for a kind of saw blade.
Background technology
Saw blade, according to the difference of using object, is mainly divided into iron saw blade and wood saw bar, and in order to guarantee the working efficiency of saw blade, all tool using steel is processed saw blade, just according to the difference of saw blade environment for use, adjusts the composition of tool steel.
Existing saw blade is in actual use, not high because may wear to the ratio to a certain degree going out of use, maximum ratio be that fragility because of saw blade fractures.But the object of tool steel utilizes its high strength to realize its effect, and the toughness that increases steel alloy will affect the intensity of steel alloy, discovered in recent years, the element that adds Some features in steel alloy, if tungsten, manganese etc. are in certain proportion situation, steel alloy can improve toughness in proof strength.
But in common steel alloy founding, because the difference of the solubleness of element, particularly in casting cycle and the later stage, can cause that tool steel is conducive to the element that intensity improves again toughness and separate out from tissue.Since powder metallurgy technology is employed, the ratio that improves certain dvielement in tool steel becomes possibility, and is applied in the smelting of tool steel.But for saw blade class tool steel, because it require to use thinner material, in adopting powder metallurgy technology production process, because temperature variation is relatively large, occur that element separates out problem, and cause the inside of saw blade become fragile and easily fracture.
Summary of the invention
The object of the invention is, by the technical program, by the proportioning to tool steel material, improve intensity and the toughness of tool steel, reduce separating out of favourable element, improve performance and the work-ing life of tool steel.
The present invention is achieved by the following technical solutions:
A kind of saw blade tool steel material, its composition is by weight percentage, the rare earth that contains niobium and yttrium of the carbon of 1.8-2.0%, the silicon of 0.35-0.5%, the chromium of 4.2-4.3%, the vanadium of the tungsten of 8.2-8.3%, 4.2-4.5%, the cobalt of the molybdenum of 3.5-3.8%, 0.2-0.3%, the titanium of the manganese of 1.3-1.4%, 0.12-0.15%, the boron of the copper of 0.8-1.0% and aluminium, 0.5-0.6%, 0.003-0.004%, surplus is iron.
As further improvement, described saw blade tool steel material, its composition is by weight percentage, 2.0% carbon, 0.45% silicon, 4.2% chromium, 8.2% tungsten, 4.25% vanadium, 3.6% molybdenum, 0.22% cobalt, 1.32% manganese, 0.12% titanium, 0.8% copper and aluminium, 0.53% boron, 0.003% the rare earth that contains niobium and yttrium, surplus is iron.
The weight ratio of described copper and aluminium is 2: 1.
The weight ratio of described niobium and yttrium is 3: 2.
Described tungsten, vanadium, titanium, rare earth are respectively that the rare earth ferroalloy mode that accounts for weight 15% with ferrotungsten, vanadium iron, ferrotianium and rare earth adds.
Described preparation method is:
Calculating each amount forming prepares burden, its composition is by weight percentage, the rare earth that contains niobium and yttrium of the carbon of 1.8-2.0%, the silicon of 0.35-0.5%, the chromium of 4.2-4.3%, the vanadium of the tungsten of 8.2-8.3%, 4.2-4.5%, the cobalt of the molybdenum of 3.5-3.8%, 0.2-0.3%, the titanium of the manganese of 1.3-1.4%, 0.12-0.15%, the boron of the copper of 0.8-1.0% and aluminium, 0.5-0.6%, 0.003-0.004%, surplus is iron, wherein, tungsten, vanadium, titanium, rare earth are respectively to prepare burden with ferrotungsten, vanadium iron, ferrotianium and rare earth ferroalloy mode;
Carbon, silicon, iron, chromium, ferrotungsten, vanadium iron, ferrotianium, molybdenum, cobalt, manganese are put into after stove heat fused becomes liquid and added copper and aluminium and rare earth again by the amount calculating, and temperature keeps 1-2 hour at 1250-1350 ℃;
Assurance temperature is carried out constant temperature casting at 1000-1050 ℃;
Cooling, carry out stage by stage temperature-reduction at constant speed, first stage be take speed and be warmed up to 850-900 ℃ after the 15-20 ℃/700-750 of cooling to per second ℃, and then cools to 500-530 ℃, be cooled fast to 130-150 ℃ with the 15-20 ℃/subordinate phase of carrying out per second;
Normalizing, carries out quench treatment after being incubated 2-4 hour in 850-900 ℃ of normalizing furnace, quenches and adopts oil to carry out in two stages quench treatment as quenching medium; First stage is within the scope of 230 ± 20 ℃, to carry out after constant temperature is quenched to 450-480 ℃ carrying out subordinate phase quench treatment to 130-150 ℃ in 110-130 ℃ of oil in oil temperature;
Tempering is incubated 3-5 hour, naturally cooling in 180-200 ℃ of tempering stove.
The invention has the beneficial effects as follows:
By technical scheme of the present invention, guaranteed to be conducive to vanadium, cobalt, the molybdenum element that improves intensity and there is certain toughness and copper and the aluminium that improves toughness carries out the combination of better same tungsten, chromium, titanium elements and reduce and separate out, and by rare earth element increase the combination of each element and increase weave construction in alloy evenly.
Embodiment
By specific embodiment, describe concrete scheme of the present invention in detail below, should be understood that, it is limitation of the present invention that following embodiment only can not be interpreted as for explaining the present invention.
Embodiment 1
Described preparation method is:
Calculating each amount forming prepares burden, its composition is by weight percentage, 1.8% carbon, 0.35% silicon, 4.2% chromium, 8.2% tungsten, 4.2% vanadium, 3.5% molybdenum, 0.2% cobalt, 1.3% manganese, 0.12% titanium, 0.8% copper and aluminium, 0.5% boron, 0.003% the rare earth that contains niobium and yttrium, surplus is iron, wherein, tungsten, vanadium, titanium, rare earth are respectively to prepare burden with ferrotungsten, vanadium iron, ferrotianium and rare earth ferroalloy mode; Wherein the weight ratio of copper and aluminium is 2: 1, and rare earth ferroalloy middle-weight rare earths accounts for 15% of weight, and the weight ratio of niobium and yttrium is 3: 2;
Carbon, silicon, iron, chromium, ferrotungsten, vanadium iron, ferrotianium, molybdenum, cobalt, manganese are put into after stove heat fused becomes liquid and added copper and aluminium and rare earth again by the amount calculating, and temperature keeps 2 hours at 1250-1350 ℃;
Assurance temperature is carried out constant temperature casting at 1000-1050 ℃;
Cooling, carry out stage by stage temperature-reduction at constant speed, first stage be take speed and be warmed up to 850-900 ℃ after the 15-20 ℃/700-750 of cooling to per second ℃, and then cools to 500-530 ℃, be cooled fast to 130-150 ℃ with the 15-20 ℃/subordinate phase of carrying out per second;
Normalizing, carries out quench treatment after being incubated 2-4 hour in 850-900 ℃ of normalizing furnace, quenches and adopts oil to carry out in two stages quench treatment as quenching medium; First stage is within the scope of 230 ± 20 ℃, to carry out after constant temperature is quenched to 450-480 ℃ carrying out subordinate phase quench treatment to 130-150 ℃ in 110-130 ℃ of oil in oil temperature;
Tempering is incubated 3 hours, naturally cooling in 180-200 ℃ of tempering stove.
Embodiment 2
Described preparation method is:
Calculating each amount forming prepares burden, its composition is by weight percentage, 2.0% carbon, 0.5% silicon, 4.3% chromium, 8.3% tungsten, 4.5% vanadium, 3.8% molybdenum, 0.3% cobalt, 1.4% manganese, 0.15% titanium, 1.0% copper and aluminium, 0.6% boron, 0.004% the rare earth that contains niobium and yttrium, surplus is iron, wherein, tungsten, vanadium, titanium, rare earth are respectively to prepare burden with ferrotungsten, vanadium iron, ferrotianium and rare earth ferroalloy mode;
Carbon, silicon, iron, chromium, ferrotungsten, vanadium iron, ferrotianium, molybdenum, cobalt, manganese are put into after stove heat fused becomes liquid and added copper and aluminium and rare earth again by the amount calculating, and temperature keeps 2 hours at 1250-1350 ℃;
Assurance temperature is carried out constant temperature casting at 1000-1050 ℃;
Cooling, carry out stage by stage temperature-reduction at constant speed, first stage be take speed and be warmed up to 850-900 ℃ after the 15-20 ℃/700-750 of cooling to per second ℃, and then cools to 500-530 ℃, be cooled fast to 130-150 ℃ with the 15-20 ℃/subordinate phase of carrying out per second;
Normalizing, carries out quench treatment after being incubated 3 hours in 850-900 ℃ of normalizing furnace, quenches and adopts oil to carry out in two stages quench treatment as quenching medium; First stage is within the scope of 230 ± 20 ℃, to carry out after constant temperature is quenched to 450-480 ℃ carrying out subordinate phase quench treatment to 130-150 ℃ in 110-130 ℃ of oil in oil temperature;
Tempering is incubated 3 hours, naturally cooling in 180-200 ℃ of tempering stove.
Embodiment 3
Calculating each amount forming prepares burden, its composition is by weight percentage, 2.0% carbon, 0.45% silicon, 4.2% chromium, 8.2% tungsten, 4.25% vanadium, 3.6% molybdenum, 0.22% cobalt, 1.32% manganese, 0.12% titanium, 0.8% copper and aluminium, 0.53% boron, 0.003% the rare earth that contains niobium and yttrium, surplus is iron, wherein, tungsten, vanadium, titanium, rare earth are respectively to prepare burden with ferrotungsten, vanadium iron, ferrotianium and rare earth ferroalloy mode;
Carbon, silicon, iron, chromium, ferrotungsten, vanadium iron, ferrotianium, molybdenum, cobalt, manganese are put into after stove heat fused becomes liquid and added copper and aluminium and rare earth again by the amount calculating, and temperature keeps 2 hours at 1250-1350 ℃;
Assurance temperature is carried out constant temperature casting at 1000-1050 ℃;
Cooling, carry out stage by stage temperature-reduction at constant speed, first stage be take speed and be warmed up to 850-900 ℃ after the 15-20 ℃/700-750 of cooling to per second ℃, and then cools to 500-530 ℃, be cooled fast to 130-150 ℃ with the 15-20 ℃/subordinate phase of carrying out per second;
Normalizing, carries out quench treatment after being incubated 3 hours in 850-900 ℃ of normalizing furnace, quenches and adopts oil to carry out in two stages quench treatment as quenching medium; First stage is within the scope of 230 ± 20 ℃, to carry out after constant temperature is quenched to 450-480 ℃ carrying out subordinate phase quench treatment to 130-150 ℃ in 110-130 ℃ of oil in oil temperature;
Tempering is incubated 3 hours, naturally cooling in 180-200 ℃ of tempering stove.
Claims (8)
1. a saw blade tool steel material, it is characterized in that: its composition is by weight percentage, the rare earth that contains niobium and yttrium of the carbon of 1.8-2.0%, the silicon of 0.35-0.5%, the chromium of 4.2-4.3%, the vanadium of the tungsten of 8.2-8.3%, 4.2-4.5%, the cobalt of the molybdenum of 3.5-3.8%, 0.2-0.3%, the titanium of the manganese of 1.3-1.4%, 0.12-0.15%, the boron of the copper of 0.8-1.0% and aluminium, 0.5-0.6%, 0.003-0.004%, surplus is iron.
2. saw blade tool steel material according to claim 1, it is characterized in that: described saw blade tool steel material, its composition is by weight percentage, 2.0% carbon, 0.45% silicon, 4.2% chromium, 8.2% tungsten, 4.25% vanadium, 3.6% molybdenum, 0.22% cobalt, 1.32% manganese, 0.12% titanium, 0.8% copper and aluminium, 0.53% boron, 0.003% the rare earth that contains niobium and yttrium, surplus is iron.
3. saw blade tool steel material according to claim 1, is characterized in that: the weight ratio of described copper and aluminium is 2: 1.
4. saw blade tool steel material according to claim 1, is characterized in that: the weight ratio of described niobium and yttrium is 3: 2.
5. saw blade tool steel material according to claim 1 and 2, is characterized in that: described tungsten, vanadium, titanium, rare earth are respectively that the rare earth ferroalloy mode that accounts for weight 15% with ferrotungsten, vanadium iron, ferrotianium and rare earth adds.
6. a saw blade tool steel material preparation method, it is characterized in that: calculate each amount forming and prepare burden, its composition is by weight percentage, the carbon of 1.8-2.0%, the silicon of 0.35-0.5%, the chromium of 4.2-4.3%, the tungsten of 8.2-8.3%, the vanadium of 4.2-4.5%, the molybdenum of 3.5-3.8%, the cobalt of 0.2-0.3%, the manganese of 1.3-1.4%, the titanium of 0.12-0.15%, the copper of 0.8-1.0% and aluminium, the boron of 0.5-0.6%, the rare earth that contains niobium and yttrium of 0.003-0.004%, surplus is iron, wherein, tungsten, vanadium, titanium, rare earth is respectively with ferrotungsten, vanadium iron, ferrotianium and rare earth ferroalloy mode are prepared burden,
Carbon, silicon, iron, chromium, ferrotungsten, vanadium iron, ferrotianium, molybdenum, cobalt, manganese are put into after stove heat fused becomes liquid and added copper and aluminium and rare earth again by the amount calculating, and temperature keeps 1-2 hour at 1250-1350 ℃;
Assurance temperature is carried out constant temperature casting at 1000-1050 ℃;
Cooling, carry out stage by stage temperature-reduction at constant speed, first stage be take speed and be warmed up to 850-900 ℃ after the 15-20 ℃/700-750 of cooling to per second ℃, and then cools to 500-530 ℃, be cooled fast to 130-150 ℃ with the 15-20 ℃/subordinate phase of carrying out per second;
Normalizing, carries out quench treatment after being incubated 2-4 hour in 850-900 ℃ of normalizing furnace, quenches and adopts oil to carry out in two stages quench treatment as quenching medium; First stage is within the scope of 230 ± 20 ℃, to carry out after constant temperature is quenched to 450-480 ℃ carrying out subordinate phase quench treatment to 130-150 ℃ in 110-130 ℃ of oil in oil temperature;
Tempering is incubated 3-5 hour, naturally cooling in 180-200 ℃ of tempering stove.
7. saw blade according to claim 6 tool steel material preparation method, is characterized in that: the weight ratio of described copper and aluminium is 2: 1.
8. saw blade according to claim 6 tool steel material preparation method, is characterized in that: the weight ratio of described niobium and yttrium is 3: 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310497605.1A CN103572168A (en) | 2013-10-21 | 2013-10-21 | Tool steel material for saw blades and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310497605.1A CN103572168A (en) | 2013-10-21 | 2013-10-21 | Tool steel material for saw blades and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103572168A true CN103572168A (en) | 2014-02-12 |
Family
ID=50044870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310497605.1A Pending CN103572168A (en) | 2013-10-21 | 2013-10-21 | Tool steel material for saw blades and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103572168A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572167A (en) * | 2013-10-21 | 2014-02-12 | 虞伟财 | Preparation method of tool steel material for saw blades |
| CN103572169A (en) * | 2013-10-21 | 2014-02-12 | 虞伟财 | Tool steel material for saw blades |
| CN109988977A (en) * | 2019-01-18 | 2019-07-09 | 安徽屹盛机电科技有限公司 | A kind of hedgerow rounding machine cutter production technology |
| CN114473051A (en) * | 2022-02-24 | 2022-05-13 | 江苏美特森切削工具有限公司 | Cutting saw blade with temperature control function and manufacturing method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152242A (en) * | 1987-12-10 | 1989-06-14 | Sanyo Special Steel Co Ltd | High-toughness and high-speed steel by powder metallurgy |
| JP2008214722A (en) * | 2007-03-07 | 2008-09-18 | Sanyo Special Steel Co Ltd | Steel having high wear-resistance and high toughness for high-speed tool and manufacturing method therefor |
| CN102994893A (en) * | 2012-11-22 | 2013-03-27 | 宁波市群星粉末冶金有限公司 | Power metallurgy tool steel |
| CN102994894A (en) * | 2012-11-22 | 2013-03-27 | 浙江明磊工具实业有限公司 | Method for producing alloy steel material for drill bit |
| CN103572169A (en) * | 2013-10-21 | 2014-02-12 | 虞伟财 | Tool steel material for saw blades |
-
2013
- 2013-10-21 CN CN201310497605.1A patent/CN103572168A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01152242A (en) * | 1987-12-10 | 1989-06-14 | Sanyo Special Steel Co Ltd | High-toughness and high-speed steel by powder metallurgy |
| JP2008214722A (en) * | 2007-03-07 | 2008-09-18 | Sanyo Special Steel Co Ltd | Steel having high wear-resistance and high toughness for high-speed tool and manufacturing method therefor |
| CN102994893A (en) * | 2012-11-22 | 2013-03-27 | 宁波市群星粉末冶金有限公司 | Power metallurgy tool steel |
| CN102994894A (en) * | 2012-11-22 | 2013-03-27 | 浙江明磊工具实业有限公司 | Method for producing alloy steel material for drill bit |
| CN103572169A (en) * | 2013-10-21 | 2014-02-12 | 虞伟财 | Tool steel material for saw blades |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572167A (en) * | 2013-10-21 | 2014-02-12 | 虞伟财 | Preparation method of tool steel material for saw blades |
| CN103572169A (en) * | 2013-10-21 | 2014-02-12 | 虞伟财 | Tool steel material for saw blades |
| CN109988977A (en) * | 2019-01-18 | 2019-07-09 | 安徽屹盛机电科技有限公司 | A kind of hedgerow rounding machine cutter production technology |
| CN114473051A (en) * | 2022-02-24 | 2022-05-13 | 江苏美特森切削工具有限公司 | Cutting saw blade with temperature control function and manufacturing method and device |
| CN114473051B (en) * | 2022-02-24 | 2023-08-15 | 江苏美特森切削工具有限公司 | Manufacturing method and device of cutting saw blade with temperature control function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102978526A (en) | Alloy steel material for drill and preparation method | |
| CN103572168A (en) | Tool steel material for saw blades and preparation method thereof | |
| CN103282528A (en) | Grey iron alloy and brake disc containing grey iron alloy | |
| CN103695792B (en) | A kind of High carbon alloy steel wear-resistance valve material and preparation method thereof | |
| CN103060667A (en) | Super-hard middle-chrome cast grinding ball and production process thereof | |
| CN102936696A (en) | High hardness and high abrasion-resistance ferroalloy material and preparation method thereof | |
| CN103014436A (en) | Material capable of preventing large grains from being produced in aluminium alloy and preparation method thereof | |
| CN103131957B (en) | Tool steel material for hedge trimmer blades and preparation method thereof | |
| CN103572167A (en) | Preparation method of tool steel material for saw blades | |
| CN102994894A (en) | Method for producing alloy steel material for drill bit | |
| CN103572169A (en) | Tool steel material for saw blades | |
| CN104946989A (en) | Manufacturing method of excavator bucket teeth | |
| CN104308111A (en) | Method for reducing macro segregation at 1/2R position of bearing steel wire rod | |
| CN103710646A (en) | Ultrahard low-chromium-content grinding body and manufacturing method thereof | |
| CN102899586A (en) | Iron alloy material and preparation method | |
| CN103614658A (en) | High-strength wear-resistant low-carbon steel material and preparation method thereof | |
| CN103014556A (en) | Corrosion-resisting ferroalloy material for fastener and preparation method thereof | |
| CN106402333B (en) | A kind of wear-resistant gear | |
| CN104498807A (en) | Method for manufacturing high-wear-resistance cast iron alloy | |
| CN103014439A (en) | Material capable of preventing large grains from being produced in aluminium alloy sections | |
| CN104400324A (en) | Production method of high-strength vehicle brake wheel hub | |
| CN105543670A (en) | High-hardness and high-strength alloy steel and preparing method | |
| CN104561693A (en) | High-strength aluminum alloy material for door and window and heat treatment process of high-strength aluminum alloy material | |
| CN104480371A (en) | Preparation method of wear-resistant ferroalloy | |
| CN102978527A (en) | Alloy steel material for drill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140212 |