CN103627999A - Medium-manganese steel hammerhead material for mines and preparation method thereof - Google Patents
Medium-manganese steel hammerhead material for mines and preparation method thereof Download PDFInfo
- Publication number
- CN103627999A CN103627999A CN201310555808.1A CN201310555808A CN103627999A CN 103627999 A CN103627999 A CN 103627999A CN 201310555808 A CN201310555808 A CN 201310555808A CN 103627999 A CN103627999 A CN 103627999A
- Authority
- CN
- China
- Prior art keywords
- speed
- warming
- manganese steel
- insulation
- powder
- 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
Abstract
The invention relates to a medium-manganese steel hammerhead material for mines, which contains the following chemical elements in percentage by mass: 1.2-1.5% of carbon, 1.3-1.4% of silicon, 5.0-5.5% of manganese, 2.1-2.4% of magnesium, 0.2-0.3% of aluminum, 1.2-1.5% of cerium, 0.1-0.2% of Pb, 0.04-0.06% of V, at most 0.05% of S, at most 0.05% of P and the balance of iron. By using the medium-manganese steel as the main material, the material has favorable toughness; the material contains the cerium, aluminum, vanadium and many other alloy elements, and thus, has the advantages of high hardness, high wear resistance and excellent impact resistance; and the material is suitable for working conditions with non-severe impact, and the service life is prolonged by 1-2 times as compared with common high-manganese steel. The material has stable and uniform alloy quality and favorable comprehensive mechanical properties. When the refining agent is used for casting production, no pores can be generated on the casting surface, and the included oxide content is obviously lowered.
Description
Technical field
The present invention relates to wear-resistant metal material field, relate in particular to Medium Manganese Steel hammer head material and preparation method thereof for a kind of mine.
Background technology
The kind of hammer head material is a lot, the most frequently used is high mangaenese steel, be at first because of its hardness and wear resistance all higher, but it is found that now that actually this is not so, some occasion high mangaenese steel tup is not wear-resisting, and work-ing life is short, traces it to its cause, that high mangaenese steel will be in the situation that large surging force could produce the cementation zone of high rigidity, and not wear-resisting in the little situation of surging force; Also have Medium Manganese Steel tup, because it has higher hardness and toughness, more durable in the situation that surging force is not too large, and be magnetic; Rich chromium cast iron tup has good wear resistance, but toughness is poor, and brittle rupture easily occurs.Various materials all can not reach optimal effect, so the material of reasonable, develop simple and practical technique, are guaranteeing saving resource and the energy under the prerequisite of service requirements, have become focus and the difficult point in high-abrasive material field.
Summary of the invention
The object of the present invention is to provide Medium Manganese Steel hammer head material and preparation method thereof for a kind of mine, it is high that this alloy material has intensity, the advantage that wear resistance is good, impact resistance is good.
Technical scheme of the present invention is as follows:
A mine Medium Manganese Steel hammer head material, is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 1.2-1.5, silicon 1.3-1.4, manganese 5.0-5.5, magnesium 2.1-2.4, aluminium 0.2-0.3, cerium 1.2-1.5, Pb0.1-0.2, V0.04-0.06, S≤0.05, P≤0.05, surplus are iron.
The production method of Medium Manganese Steel hammer head material for described mine, is characterized in that:
(1), preparing the pig iron and scrap iron originates as ferrous substrate in 1:1-2 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add scrap iron fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove, be: (1) silicon, magnesium, Pb; (2) manganese, V; (3) other remaining components; The timed interval that each batch drops into element is 23-27 minute, after feeding intake, stirs.
Described casting postheat treatment is: first by room temperature, with 180-190 ℃/h of speed, be warming up to 400-420 ℃, insulation 60-70 minute, with 180-190 ℃/h of speed, be warming up to 660-670 ℃ again, with 160-170 ℃/h of speed, be cooled to 500-520 ℃ again, with 210-220 ℃/h of speed, be warming up to 940-950 ℃ again, insulation 3-4 hour; With 160-170 ℃/h of speed, be cooled to 600-610 ℃ again, then be warming up to 700-710 ℃ with 180-190 ℃/h of speed, then be cooled to 500-510 ℃ with 160-170 ℃/h of speed, insulation 50-60 minute; With 160-170 ℃/h of speed, be cooled to 220-230 ℃ again, insulation 2-3 hour; With 180-190 ℃/h of speed, be warming up to 340-350 ℃ again, insulation 50-60 minute, then be warming up to 540-550 ℃ with 180-190 ℃/h of speed, insulation 2-3 hour, takes out air cooling and get final product.
Described refining agent is made by the raw material of following weight part: instrument comminuted steel shot 3-4, clay 20-24, alum 5-6, iron ore ground-slag 1-2, silicon carbide 4-5, aluminium hydroxide 8-10, jade powder 3-4, montmorillonite 1-2, Repone K 2-3, Calcium Fluoride (Fluorspan) 4-5; Preparation method mixes each raw material, is heated to molten state, then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15Mpa, be pressed into base, then, at 900-950 ℃, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain.
Beneficial effect of the present invention
The present invention adopts Medium Manganese Steel as material, has good toughness; Because it contains cerium, aluminium, the multiple alloying element of vanadium, have high hardness and wear resistance again, also have excellent impact resistance, the present invention is applicable to the working conditions of non-intense impact, and work-ing life than the long 1-2 of common high mangaenese steel doubly.The present invention uses part scrap iron as raw material, and through secondary refining, rationally controls casting postheat treatment temperature, and throwing raw materials, makes more stable uniform of alloy quality in batches, improves comprehensive mechanical property.Refining agent of the present invention is for Foundry Production, and the degree of porosity obviously improving in yield rate, particularly foundry goods reduces 1-2 degree, can not produce pore at cast(ing) surface, and trapped oxide also obviously reduces, and oxide inclusion is 2 grades of left and right.
Embodiment
A mine Medium Manganese Steel hammer head material, chemical element composition and mass percent thereof that it contains are: carbon 1.2-1.5, silicon 1.3-1.4, manganese 5.0-5.5, magnesium 2.1-2.4, aluminium 0.2-0.3, cerium 1.2-1.5, Pb0.1-0.2, V0.04-0.06, S≤0.05, P≤0.05, surplus are iron.
Described mine is as follows by the production method of Medium Manganese Steel hammer head material:
(1), preparing the pig iron and scrap iron originates as ferrous substrate in 1:1.5 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add scrap iron fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove, be: (1) silicon, magnesium, Pb; (2) manganese, V; (3) other remaining components; The timed interval that each batch drops into element is 25 minutes, after feeding intake, stirs.
Described casting postheat treatment is: first by room temperature, with 185 ℃/h of speed, be warming up to 410 ℃, be incubated 65 minutes, then be warming up to 665 ℃ with 185 ℃/h of speed, then be cooled to 510 ℃ with 165 ℃/h of speed, with 215 ℃/h of speed, be warming up to 945 ℃ again, be incubated 3.5 hours; With 165 ℃/h of speed, be cooled to 605 ℃ again, then be warming up to 705 ℃ with 185 ℃/h of speed, then be cooled to 505 ℃ with 165 ℃/h of speed, be incubated 55 minutes; With 165 ℃/h of speed, be cooled to 225 ℃ again, insulation 2-3 hour; With 185 ℃/h of speed, be warming up to 345 ℃ again, be incubated 55 minutes, then be warming up to 545 ℃ with 185 ℃/h of speed, be incubated 2.5 hours, take out air cooling and get final product.
Described refining agent by following weight part (kilogram) raw material make: instrument comminuted steel shot 3.5, clay 23, alum 5.5, iron ore ground-slag 1.5, silicon carbide 4.5, aluminium hydroxide 9, jade powder 3.5, montmorillonite 1.5, Repone K 2.5, Calcium Fluoride (Fluorspan) 4.5; Preparation method mixes each raw material, is heated to molten state, then, is poured into Quench in pure water, then is ground into 160 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2.5%, 1.5% nano-carbon powder, after mixing, under 13Mpa, be pressed into base, then, at 920 ℃, calcine 3.5 hours, cooling after, then be ground into 210 order powder, obtain.
Mine of the present invention by the mechanical property of Medium Manganese Steel hammer head material is: tensile strength 998MPa, yield strength 914MPa, unit elongation 14%, relative reduction in area 24%, impact absorbing energy 52J, impelling strength 66J/cm2, hardness 284HB.
Claims (4)
1. a mine Medium Manganese Steel hammer head material, is characterized in that: chemical element composition and mass percent thereof that it contains are: carbon 1.2-1.5, silicon 1.3-1.4, manganese 5.0-5.5, magnesium 2.1-2.4, aluminium 0.2-0.3, cerium 1.2-1.5, Pb0.1-0.2, V0.04-0.06, S≤0.05, P≤0.05, surplus are iron.
2. the production method of Medium Manganese Steel hammer head material for mine according to claim 1, is characterized in that:
(1), preparing the pig iron and scrap iron originates as ferrous substrate in 1:1-2 ratio, the pig iron is added to drop in stove and melt, carry out desulfurization, deoxidation, employing refining agent initial refining, add alloying constituent and carry out alloying, then add scrap iron fusing, add refining agent secondary refining, detection and adjust chemical element component content to qualified, casting, casting postheat treatment etc.;
(2) in alloying process, to the lot sequence that drops into alloying element in stove, be: (1) silicon, magnesium, Pb; (2) manganese, V; (3) other remaining components; The timed interval that each batch drops into element is 23-27 minute, after feeding intake, stirs.
3. the production method of Medium Manganese Steel hammer head material for mine according to claim 2, it is characterized in that: described casting postheat treatment is: first by room temperature, with 180-190 ℃/h of speed, be warming up to 400-420 ℃, insulation 60-70 minute, with 180-190 ℃/h of speed, be warming up to 660-670 ℃ again, with 160-170 ℃/h of speed, be cooled to 500-520 ℃ again, with 210-220 ℃/h of speed, be warming up to 940-950 ℃ again, insulation 3-4 hour; With 160-170 ℃/h of speed, be cooled to 600-610 ℃ again, then be warming up to 700-710 ℃ with 180-190 ℃/h of speed, then be cooled to 500-510 ℃ with 160-170 ℃/h of speed, insulation 50-60 minute; With 160-170 ℃/h of speed, be cooled to 220-230 ℃ again, insulation 2-3 hour; With 180-190 ℃/h of speed, be warming up to 340-350 ℃ again, insulation 50-60 minute, then be warming up to 540-550 ℃ with 180-190 ℃/h of speed, insulation 2-3 hour, takes out air cooling and get final product.
4. the production method of Medium Manganese Steel hammer head material for mine according to claim 2, is characterized in that: described refining agent is made by the raw material of following weight part: instrument comminuted steel shot 3-4, clay 20-24, alum 5-6, iron ore ground-slag 1-2, silicon carbide 4-5, aluminium hydroxide 8-10, jade powder 3-4, montmorillonite 1-2, Repone K 2-3, Calcium Fluoride (Fluorspan) 4-5; Preparation method mixes each raw material, is heated to molten state, then, is poured into Quench in pure water, then is ground into 100-200 order powder; Gained powder is added and is equivalent to the silane resin acceptor kh-550 of powder weight 2-3%, the nano-carbon powder of 1-2%, after mixing, under 8-15Mpa, be pressed into base, then, at 900-950 ℃, calcine 3-4 hour, cooling after, be ground into again 150-250 order powder, obtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555808.1A CN103627999A (en) | 2013-11-11 | 2013-11-11 | Medium-manganese steel hammerhead material for mines and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310555808.1A CN103627999A (en) | 2013-11-11 | 2013-11-11 | Medium-manganese steel hammerhead material for mines and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103627999A true CN103627999A (en) | 2014-03-12 |
Family
ID=50209443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310555808.1A Pending CN103627999A (en) | 2013-11-11 | 2013-11-11 | Medium-manganese steel hammerhead material for mines and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103627999A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161498A (en) * | 2022-08-19 | 2022-10-11 | 宁夏森源重工设备有限公司 | Process for producing manganese metal by large-scale submerged arc furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11343543A (en) * | 1998-03-30 | 1999-12-14 | Kobe Steel Ltd | High toughness super-abrasion resistant cast steel and its production |
| WO2000043555A1 (en) * | 1999-01-19 | 2000-07-27 | Magotteaux International S.A. | Process of the production of high-carbon cast steels intended for wearing parts |
| CN102021484A (en) * | 2010-12-15 | 2011-04-20 | 中国铝业股份有限公司 | Material for aluminum electrolysis crust-breaking hammer |
| CN102031457A (en) * | 2010-12-23 | 2011-04-27 | 龙南龙钇重稀土科技股份有限公司 | Yttrium-containing low-alloy steel plate hammer |
-
2013
- 2013-11-11 CN CN201310555808.1A patent/CN103627999A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11343543A (en) * | 1998-03-30 | 1999-12-14 | Kobe Steel Ltd | High toughness super-abrasion resistant cast steel and its production |
| WO2000043555A1 (en) * | 1999-01-19 | 2000-07-27 | Magotteaux International S.A. | Process of the production of high-carbon cast steels intended for wearing parts |
| CN102021484A (en) * | 2010-12-15 | 2011-04-20 | 中国铝业股份有限公司 | Material for aluminum electrolysis crust-breaking hammer |
| CN102031457A (en) * | 2010-12-23 | 2011-04-27 | 龙南龙钇重稀土科技股份有限公司 | Yttrium-containing low-alloy steel plate hammer |
Non-Patent Citations (1)
| Title |
|---|
| 饶启昌 等: "耐磨材料热处理问题的探讨", 《水利电力机械》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115161498A (en) * | 2022-08-19 | 2022-10-11 | 宁夏森源重工设备有限公司 | Process for producing manganese metal by large-scale submerged arc furnace |
| CN115161498B (en) * | 2022-08-19 | 2024-04-12 | 宁夏森源重工设备有限公司 | Production process for producing manganese metal by large submerged arc furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103627993A (en) | Alloy steel hammerhead material for small-size crusher and preparation method thereof | |
| CN103667916B (en) | A kind of high hardness alloy steel and preparation method thereof | |
| CN103614658A (en) | High-strength wear-resistant low-carbon steel material and preparation method thereof | |
| CN103882340A (en) | Rare-earth alloy steel material and preparation method thereof | |
| CN103757557A (en) | Wear-resistant high hardness alloy steel material and preparation method thereof | |
| CN103627991A (en) | Rupture-resistant alloy steel hammerhead material and preparation method thereof | |
| CN103627982A (en) | Alloy material for high-boron high-wear-resistance hammerhead and preparation method thereof | |
| CN103614633A (en) | Alloy steel material having high hot strength and preparation method thereof | |
| CN103628000A (en) | Alloy steel material for tungsten-containing mine hammerhead and preparation method thereof | |
| CN103667999A (en) | Wear-resisting alloy steel for mine breaking hammer and preparation method of wear-resisting alloy steel | |
| CN103627994A (en) | Corrosion-resistant high-chromium steel hammerhead material for mines and preparation method thereof | |
| CN103627965A (en) | High-hardness alloy steel hammerhead material and preparation method thereof | |
| CN103627997A (en) | High-tungsten high-carbon steel hammerhead material and preparation method thereof | |
| CN103627999A (en) | Medium-manganese steel hammerhead material for mines and preparation method thereof | |
| CN103627981A (en) | Alloy material for crusher hammerhead and preparation method thereof | |
| CN104073733A (en) | Air corrosion-resistant alloy steel material and preparation method thereof | |
| CN103789615B (en) | A kind of high strength low-carbon steel and preparation method thereof | |
| CN103614654A (en) | Alloy steel material used for engine shield and preparation method of the alloy steel material | |
| CN103667917A (en) | High-temperature-resistant low-carbon steel material and preparation method thereof | |
| CN103643140A (en) | Highly wear-resistant pump shaft medium carbon steel material and preparation method thereof | |
| CN103667970B (en) | Strong high-carbon steel material of a kind of heat and preparation method thereof | |
| CN103627977A (en) | Alloy steel material for comb-tooth crusher hammerhead and preparation method thereof | |
| CN103627975A (en) | High-chromium alloy steel hammerhead material and preparation method thereof | |
| CN103627992A (en) | Wear-resistant medium-manganese steel hammerhead material and preparation method thereof | |
| CN103627987A (en) | Magnetic corrosion-resistant alloy steel material for hammerheads and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140312 |