CN103725990A - Wear-resisting cast steel - Google Patents
Wear-resisting cast steel Download PDFInfo
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Abstract
The invention provides wear-resisting cast steel. The cast steel comprises the following chemical components by weight percent: 0.3-0.4% of C, 1.8-2.2% of Mn, 0.8-1.2% of Cr, 0.6-1.0% of Si, 0.02-0.05% of Mo, 0-1.0% of Ni, 0-1.0% of V, 0-1.0% of Ti, 0-1.0% of Re, less than or equal to 0.04% of P, less than or equal to 0.04% of S, and the balance of Fe. Compared with the existing wear-resisting cast steel, the wear-resisting cast steel has the advantages that the content of manganese is improved and the content of molybdenum is lowered, thus the cost is lowered under the premise of guaranteeing the hardenability of the cast steel; the content of manganese is improved but the content of silicon is lowered, so that the wear-resisting cast steel is improved in thermal conductivity so as to avoid generating cracks in water quenching; furthermore, by regulating the content of carbon, manganese, chrome, silicon and molybdenum, the wear-resisting cast steel is improved in impact toughness and hardness, is not easy to break and has excellent wear-resisting property.
Description
Technical field
The invention belongs to wearable cast steel technical field, relate in particular to a kind of wearable cast steel and production method thereof.
Background technology
The wearable cast steel of current production ball grinding machine lining board and jaw plate of jaw crusher adopts low-carbon (LC) chrome molybdenum Si-Mn Cast Steel conventionally, and its main chemical compositions (wt%) is: C, 0.25～0.35; Mn, 0.6～1.5; Cr, 0.5～2.0; Si, 0.5～1.5; Mo, 0.2～0.5 and Fe.But the main drawback of this wearable cast steel is: after shrend, foundry goods easily cracks; In foundry goods use procedure, easily rupture; Higher containing molybdenum amount, make the production cost of foundry goods higher.
In order to solve above-mentioned deficiency, prior art wishes to pass through alloying, in material, added the precious metal elements such as Mo, Ni or increased substantially alloying element content, to strengthen wearable cast steel hardening capacity, thereby improve wear resistance and the anti-impact force of foundry goods, but after practical application, find all to fail to reach desirable state, still exist shrend to be prone to easy fracture and the more high deficiency of production cost in crackle, use.
Application number is the thermal treatment process that 200910203631.2 Chinese patent discloses a kind of wear-resistant alloy cast steel, and the chemical composition of this cast steel is (wt%): C, 0.27～0.32; Mn, 0.70～0.90; Si, 0.90～1.30; Cr, 1.40～1.80; Mo, 0.10～0.20; Ni, 0.10～0.20; Ti, 0.02～0.03.
Application number is that 201210525543.6 Chinese patent discloses a kind of hard high-wearing feature steel alloy, and its chemical composition is (wt%): C, 0.25～0.36; Si, 0.5～0.8; Mn, 1.5～1.7; Cr, 0.5～0.78, Ni, 1.87～2.56; La, 0.03～0.13; B, 0.005～0.01; P<0.035; S<0.055, all the other are iron.
Application number is that 200610042678.1 Chinese patent discloses a kind of boron-containing multi-element low alloy wear resistant cast steel and preparation method thereof, and its chemical composition is (wt%): C, 0.20～0.45; Mn, 1.1～1.8; Si, 0.8～1.5; Cr, 0.3～1.2; B, 0.05～0.2; Ti, 0.08～0.3; N, 0.03～0.2; Ca, 0.05～0.15; K, 0.04～0.15; Y, 0.08～0.25; Mg, 0.03～0.12; All the other are Fe and inevitable trace impurity.
Application number is that 201110073118.3 Chinese patent discloses a kind of low-alloy wear-resistant steel for coal machine operating mode, and its chemical composition is (wt%): C, 0.25～0.40; Mn, 1.20～1.70; Si, 0.30～0.90; Mo, 0.01～0.30; Ni ,≤0.1; Nb, 0.01～0.04; P ,≤0.05; S ,≤0.05; All the other are Fe.
Application number is the preparation method that the Chinese patent of 201010228506.X discloses a kind of low-alloy manganese martensite wear resistant cast steel, and its chemical composition is (wt%): C, 0.28～0.48%; Mn, 1.85～3.50%; Si, 0.20～1.50%; Cr, 0.30～0.90%; Cu, 0～0.90%; B, 0～0.008%; P, 0.01～0.03%; S, 0.01～0.03%; Rare-Earth Ce, 0.05～0.25%; All the other are Fe.
Application number is that 98109152.0 Chinese patent discloses multicomponent wear-resisting alloy steel and production method, and its chemical composition is (wt%): C, 0.35～0.4%; Si, 0.30～0.70%; Mn, 1.40～1.80%; Mo, 0.35～0.45%; V, 0.1%; Ti, 0.07%; B, 0.004%; Re, 0.2%; All the other are Fe.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is to provide a kind of wearable cast steel, and hardness and the impact toughness of this wearable cast steel are better.。
A kind of wearable cast steel, is comprised of following chemical composition: C, 0.30～0.40wt%; Mn, 1.8～2.2wt%; Cr, 0.80～1.2wt%; Si, 0.6～1.0wt%; Mo, 0.02～0.05wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
Preferably, by following chemical composition, formed: C, 0.30～0.35wt%; Mn, 1.8～2.0wt%; Cr, 0.80～1.0wt%; Si, 0.6～0.8wt%; Mo, 0.04～0.05wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
Preferably, by following chemical composition, formed: C, 0.35～0.40wt%; Mn, 2.0～2.2wt%; Cr, 1.0～1.2wt%; Si, 0.8～1.0wt%; Mo, 0.02～0.03wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
Preferably, by following chemical composition, formed: C, 0.30～0.35wt%; Mn, 1.8～2.0wt%; Cr, 0.80～1.0wt%; Si, 0.6～0.8wt%; Mo, 0.02～0.03wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
Preferably, by following chemical composition, formed: C, 0.35～0.40wt%; Mn, 2.0～2.2wt%; Cr, 1.0～1.2wt%; Si, 0.8～1.0wt%; Mo, 0.04～0.05wt%; Ni, 0.5～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
Preferably, by following chemical composition, formed: C, 0.35～0.40wt%; Mn, 1.8～2.2wt%; Cr, 0.80～1.2wt%; Si, 0.6～1.0wt%; Mo, 0.02～0.05wt%; Ni, 0.5～1.0wt%; V, 0.1～0.5wt%; Ti, 0.03～0.08wt%; Re, 0.01～0.05wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
The invention provides a kind of wearable cast steel, by following chemical composition, formed: C, 0.30～0.40wt%; Mn, 1.8～2.2wt%; Cr, 0.80～1.2wt%; Si, 0.6～1.0wt%; Mo, 0.02～0.05wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe and inevitable impurity.With existing wearable cast steel, compare, the present invention improves the manganese content in wearable cast steel, has reduced the content of molybdenum simultaneously, makes wearable cast steel under the condition that meets foundry goods hardening capacity, significantly reduce the cost of wearable cast steel; And, when carrying high Mn content, reduce the content of silicon, thereby improved the thermal conductivity of wearable cast steel, make it in shrend process, avoid cracking; In addition, the present invention, by adjusting the content range of carbon, manganese, chromium, silicon and molybdenum, has improved impact toughness and the hardness of wearable cast steel, makes it in use be difficult for fracture occurring and having good wear resisting property.
Embodiment
The invention provides a kind of wearable cast steel, by following chemical composition, formed: C, 0.30～0.40wt%; Mn, 1.8～2.2wt%; Cr, 0.80～1.2wt%; Si, 0.6～1.0wt%; Mo, 0.02～0.05wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
The present invention does not have special restriction to the source of all raw materials, for commercially available.
Wherein, the effect of carbon is in cast steel, to form carbide, i.e. wear-resisting hard point is guaranteed the wear resistance of wear-resistant cast steel parts; Carbon content is on the low side, and carbide quantity is on the low side, can cause steel casting hardness low, and wear resistance declines; Carbon content is higher, and carbide quantity increases, and the impact toughness of steel casting declines; Consider, the present invention by carbon content control at 0.30～0.40wt%.
Manganese element can improve the hardening capacity of cast steel, thereby reduce austenitizing temperature, reduces quenching temperature; Manganese content is higher, makes the crystal grain of wearable cast steel matrix be easy to length slightly, causes toughness to decline; Manganese content is on the low side, will reduce the hardening capacity of cast steel, thereby causes the wear resistance of cast steel to reduce; Consider, the present invention is controlled at 1.8～2.2wt% by the content of manganese.
In wearable cast steel, the effect of chromium element is solution strengthening and improves cast steel hardening capacity; Chromium content is higher, is prone to carbide on crystal boundary, thereby causes the impact toughness of cast steel and thermal conductivity to reduce; The present invention is controlled at 0.8～1.2wt% by chromium content.
Silicon can improve the hardening capacity of cast steel; The higher meeting of silicone content causes cast steel impact toughness and thermal conductivity to decline, and therefore the present invention is controlled at 0.6～1.0wt% by silicone content.
In wearable cast steel, between carbon, manganese element, chromium element and silicon content, influence each other, in the present invention, described wearable cast steel is preferably comprised of following chemical composition: C, 0.30～0.35wt%; Mn, 1.8～2.0wt%; Cr, 0.80～1.0wt%; Si, 0.6～0.8wt%; Mo, 0.04～0.05wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe; Or preferably by following chemical composition, formed: C, 0.35～0.40wt%; Mn, 2.0～2.2wt%; Cr, 1.0～1.2wt%; Si, 0.8～1.0wt%; Mo, 0.02～0.03wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe; Or preferably by following chemical composition, formed: C, 0.30～0.35wt%; Mn, 1.8～2.0wt%; Cr, 0.80～1.0wt%; Si, 0.6～0.8wt%; Mo, 0.02～0.03wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
Molybdenum element can increase substantially the hardening capacity of cast steel in wearable cast steel, and refinement steel casting crystal grain; When molybdenum content is too low, the hardening capacity of wearable cast steel significantly declines, and has reduced the wear resistance of wearable cast steel; But molybdenum is precious metal element, when content is higher, can cause manufacturing cost significantly to decline; The present invention is controlled at 0.02～0.05wt% by molybdenum content, is preferably 0.02～0.03wt% or 0.04～0.05wt%.
In wearable cast steel, add nickel element, can improve the hardening capacity of wearable cast steel, just add if desired in right amount, add-on is high will significantly increase production cost, and in wearable cast steel of the present invention, the content of nickel element is preferably 0.5～1.0wt%.When adding during nickel element, preferably being formed by following chemical composition of wearable cast steel of the present invention: C, 0.35～0.40wt%; Mn, 2.0～2.2wt%; Cr, 1.0～1.2wt%; Si, 0.8～1.0wt%; Mo, 0.04～0.05wt%; Ni, 0.5～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
In wearable cast steel, add vanadium, titanium or rare earth, all can refinement Cast Steels crystal grain, in wearable cast steel of the present invention, the content of v element is preferably 0.05～0.5wt%, more preferably 0.1～0.3wt%, then be preferably 0.1wt%; The content of described titanium elements is preferably 0.02～0.06wt%, more preferably 0.03～0.05wt%, then be preferably 0.05wt%; The content of described rare earth is preferably 0.01～0.06wt%, more preferably 0.02～0.04wt%, then be preferably 0.02wt%; The kind of described rare earth element is rare earth element well known to those skilled in the art, there is no special restriction.
When adding vanadium, titanium and rare earth in wearable cast steel, wearable cast steel of the present invention is preferably comprised of following chemical composition: C, 0.35～0.40wt%; Mn, 1.8～2.2wt%; Cr, 0.80～1.2wt%; Si, 0.6～1.0wt%; Mo, 0.02～0.05wt%; Ni, 0.5～1.0wt%; V, 0.1～0.5wt%; Ti, 0.03～0.08wt%; Re, 0.01～0.05wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
In addition, wearable cast steel of the present invention except above-mentioned elementary composition, also comprise inevitable impurity.Described inevitable impurity is impurity well known to those skilled in the art.
The present invention improves the manganese content in wearable cast steel, has reduced the content of molybdenum simultaneously, makes wearable cast steel under the condition that meets foundry goods hardening capacity, significantly reduce the cost of wearable cast steel; And, when carrying high Mn content, reduce the content of silicon, thereby improved the thermal conductivity of wearable cast steel, make it in shrend process, avoid cracking; In addition, the present invention, by adjusting the content range of carbon, manganese, chromium, silicon and molybdenum, has improved impact toughness and the hardness of wearable cast steel, makes it in use be difficult for fracture occurring and having good wear resisting property.
The production method of the above-mentioned wearable cast steel of the present invention is method well known to those skilled in the art, there is no special restriction, comprises melting well known to those skilled in the art and heat treatment process.
According to the present invention, preferably adopt following preparation method to be prepared: (1) melting technology: the raw materials such as steel scrap, molybdenum-iron and/or nickel plate are put into electric furnace and carry out melting, after partial melting, in electric furnace, add ferrochrome, within 5 minutes before molten steel is come out of the stove, drop into ferromanganese, ferrosilicon, vanadium iron, ferrotianium, then drop into reductor purify hot metal, molten steel is come out of the stove, and to wrap the end, pours mode and adds rare earth; (2) thermal treatment process: steel casting is heated to 930 ℃～960 ℃, and the insulation shrend of coming out of the stove after 2～4h, is cooled to and puts into tempering stove after room temperature and heat 180 ℃～220 ℃, and the air cooling of coming out of the stove after insulation 3-6h, obtains wearable cast steel.
In order to further illustrate the present invention, below in conjunction with embodiment, a kind of wearable cast steel provided by the invention is described in detail.
In following examples, raw materials for production used are commercially available.
Embodiment 1
According to chemical composition, form: C, 0.35wt%; Mn, 2.0wt%; Cr, 1.0wt%; Si, 0.8wt%; Mo, 0.05wt%; All the other are Fe and inevitable impurity, take raw material steel scrap, ferromanganese, ferrosilicon, ferrochrome and molybdenum-iron.
Steel scrap, molybdenum-iron are placed in to electric furnace and carry out melting, when its partial melting, add ferrochrome, fully fusing, drops into ferromanganese and ferrosilicon, then drops into reductor purify hot metal for 5 minutes before molten steel is come out of the stove, molten steel is come out of the stove after reaching 1500 ℃, the thick foundry goods of cast 60～70mm, thermal treatment: be heated to 930 ℃～960 ℃, the insulation shrend of coming out of the stove after 2h, be cooled to room temperature and be placed in tempering stove, 180 ℃～220 ℃ of tempering, insulation 3h, the air cooling of coming out of the stove, obtains wearable cast steel.
Performance to the wearable cast steel obtaining in embodiment 1 is tested, and obtaining its hardness is HRC45～50, impact toughness a
kbe 100～150J/cm
2.
Embodiment 2
According to chemical composition, form: C, 0.4wt%; Mn, 2.2wt%; Cr, 1.2wt%; Si, 1.0wt%; Mo, 0.03wt%; All the other are Fe and inevitable impurity, take raw material steel scrap, ferromanganese, ferrosilicon, ferrochrome and molybdenum-iron.
Steel scrap, molybdenum-iron are placed in to electric furnace and carry out melting, when partial melting, add ferrochrome, fully fusing, drops into ferromanganese and ferrosilicon, then drops into reductor purify hot metal for 5 minutes before molten steel is come out of the stove, molten steel is come out of the stove after reaching 1500 ℃, the thick foundry goods of cast 80～90mm, thermal treatment: be heated to 930 ℃～960 ℃, the insulation shrend of coming out of the stove after 3h, be cooled to room temperature and be placed in tempering stove, 180 ℃～220 ℃ of tempering, insulation 4h, the air cooling of coming out of the stove, obtains wearable cast steel.
Performance to the wearable cast steel obtaining in embodiment 2 is tested, and obtaining its hardness is HRC48～52, impact toughness a
kbe 40～60J/cm
2.
Embodiment 3
According to chemical composition, form: C, 0.35wt%; Mn, 2.0wt%; Cr, 1.0wt%; Si, 0.8wt%; Mo, 0.03wt%; All the other are Fe and inevitable impurity, take raw material steel scrap, ferromanganese, ferrosilicon, ferrochrome and molybdenum-iron.
Steel scrap, molybdenum-iron are placed in to electric furnace and carry out melting, when partial melting, add ferrochrome, fully fusing, drops into ferromanganese and ferrosilicon, then drops into reductor purify hot metal for 5 minutes before molten steel is come out of the stove, molten steel is come out of the stove after reaching 1500 ℃, the thick foundry goods of cast 50～60mm, thermal treatment: be heated to 930 ℃～960 ℃, the insulation shrend of coming out of the stove after 2h, be cooled to room temperature and be placed in tempering stove, 180 ℃～220 ℃ of tempering, insulation 3h, the air cooling of coming out of the stove, obtains wearable cast steel.
Performance to the wearable cast steel obtaining in embodiment 3 is tested, and obtaining its hardness is HRC45～50, impact toughness a
kbe 80～120J/cm
2.
Embodiment 4
According to chemical composition, form: C, 0.40wt%; Mn, 2.2wt%; Cr, 1.2wt%; Si, 1.0wt%; Mo, 0.05wt%; All the other are Fe and inevitable impurity, take raw material steel scrap, ferromanganese, ferrosilicon, ferrochrome and molybdenum-iron.
Steel scrap, molybdenum-iron are placed in to electric furnace and carry out melting, when partial melting, add ferrochrome, fully fusing, drops into ferromanganese and ferrosilicon, then drops into reductor purify hot metal for 5 minutes before molten steel is come out of the stove, molten steel is come out of the stove after reaching 1500 ℃, the thick foundry goods of cast 100～120mm, thermal treatment: be heated to 930 ℃～960 ℃, the insulation shrend of coming out of the stove after 4h, be cooled to room temperature and be placed in tempering stove, 180 ℃～220 ℃ of tempering, insulation 5h, the air cooling of coming out of the stove, obtains wearable cast steel.
Performance to the wearable cast steel obtaining in embodiment 4 is tested, and obtaining its hardness is HRC48～52, impact toughness a
kbe 50～70J/cm
2.
Embodiment 5
According to chemical composition, form: C, 0.4wt%; Mn, 2.2wt%; Cr, 1.2wt%; Si, 1.0wt%; Mo, 0.05wt%; Ni, 0.5wt%; All the other are Fe and inevitable impurity, take raw material steel scrap, ferromanganese, ferrosilicon, ferrochrome, molybdenum-iron and nickel plate.
Steel scrap, molybdenum-iron and nickel plate are placed in to electric furnace and carry out melting, when partial melting, add ferrochrome, fully fusing, drops into ferromanganese and ferrosilicon, then drops into reductor purify hot metal for 5 minutes before molten steel is come out of the stove, molten steel is come out of the stove after reaching 1500 ℃, the thick foundry goods of cast 150mm, thermal treatment: be heated to 930 ℃～960 ℃, the insulation shrend of coming out of the stove after 4h, be cooled to room temperature and be placed in tempering stove, 180 ℃～220 ℃ of tempering, insulation 6h, the air cooling of coming out of the stove, obtains wearable cast steel.
Performance to the wearable cast steel obtaining in embodiment 5 is tested, and obtaining its hardness is HRC50～52, impact toughness a
kbe 40～60J/cm
2.
Embodiment 6
According to chemical composition, form: C, 0.40wt%; Mn, 2.2wt%; Cr, 1.2wt%; Si, 1.0wt%; Mo, 0.05wt%; Ni, 0.5wt%; V, 0.1wt%; Ti, 0.05wt%; Rare earth, 0.02wt%; All the other are Fe and inevitable impurity, take raw material steel scrap, ferromanganese, ferrosilicon, ferrochrome, molybdenum-iron, nickel plate, vanadium iron, ferrotianium and rare earth.
Steel scrap, molybdenum-iron and nickel plate are placed in to electric furnace and carry out melting, when partial melting, add ferrochrome, fully fusing, within 5 minutes before molten steel is come out of the stove, drop into ferromanganese, ferrosilicon, vanadium iron and ferrotianium, then drop into reductor purify hot metal, molten steel is come out of the stove after reaching 1500 ℃, adopts ladle bottom pouring process to add rare earth, the thick foundry goods of cast 150mm, thermal treatment: be heated to 930 ℃～960 ℃, the shrend of coming out of the stove after insulation 4h, is cooled to room temperature and is placed in tempering stove, 180 ℃～220 ℃ of tempering, insulation 6h, the air cooling of coming out of the stove, obtains wearable cast steel.Performance to the wearable cast steel obtaining in embodiment 6 is tested, and obtaining its hardness is HRC50～52, impact toughness a
kbe 60～80J/cm
2.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a wearable cast steel, is characterized in that, following chemical composition, consists of: C, 0.30～0.40wt%; Mn, 1.8～2.2wt%; Cr, 0.80～1.2wt%; Si, 0.6～1.0wt%; Mo, 0.02～0.05wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
2. wearable cast steel according to claim 1, is characterized in that, following chemical composition, consists of: C, 0.30～0.35wt%; Mn, 1.8～2.0wt%; Cr, 0.80～1.0wt%; Si, 0.6～0.8wt%; Mo, 0.04～0.05wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
3. wearable cast steel according to claim 1, is characterized in that, following chemical composition, consists of: C, 0.35～0.40wt%; Mn, 2.0～2.2wt%; Cr, 1.0～1.2wt%; Si, 0.8～1.0wt%; Mo, 0.02～0.03wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
4. wearable cast steel according to claim 1, is characterized in that, following chemical composition, consists of: C, 0.30～0.35wt%; Mn, 1.8～2.0wt%; Cr, 0.80～1.0wt%; Si, 0.6～0.8wt%; Mo, 0.02～0.03wt%; Ni, 0～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
5. wearable cast steel according to claim 1, is characterized in that, following chemical composition, consists of: C, 0.35～0.40wt%; Mn, 2.0～2.2wt%; Cr, 1.0～1.2wt%; Si, 0.8～1.0wt%; Mo, 0.04～0.05wt%; Ni, 0.5～1.0wt%; V, 0～1.0wt%; Ti, 0～0.1wt%; Re, 0～0.1wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
6. wearable cast steel according to claim 1, is characterized in that, following chemical composition, consists of: C, 0.35～0.40wt%; Mn, 1.8～2.2wt%; Cr, 0.80～1.2wt%; Si, 0.6～1.0wt%; Mo, 0.02～0.05wt%; Ni, 0.5～1.0wt%; V, 0.1～0.5wt%; Ti, 0.03～0.08wt%; Re, 0.01～0.05wt%; P≤0.04wt%; S≤0.04wt%; All the other are Fe.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104789896A (en) * | 2015-04-21 | 2015-07-22 | 苏州统明机械有限公司 | Wear-resisting alloy steel powder for thermal spraying and preparation method thereof |
| CN104789897A (en) * | 2015-04-21 | 2015-07-22 | 苏州统明机械有限公司 | High-alloy steel powder for thermal spraying and preparation method thereof |
| CN113308640A (en) * | 2021-05-19 | 2021-08-27 | 湖南华民控股集团股份有限公司 | Low-manganese-vanadium wear-resistant cast iron grinding ball or grinding segment and preparation method thereof |
| CN115029616A (en) * | 2022-08-11 | 2022-09-09 | 垣曲县晋锋机械铸造有限公司 | Heat-resistant, wear-resistant and corrosion-resistant iron casting |
| CN115161557A (en) * | 2022-07-07 | 2022-10-11 | 唐山天和环保科技股份有限公司 | Coal mine crusher tooth cap and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104789896A (en) * | 2015-04-21 | 2015-07-22 | 苏州统明机械有限公司 | Wear-resisting alloy steel powder for thermal spraying and preparation method thereof |
| CN104789897A (en) * | 2015-04-21 | 2015-07-22 | 苏州统明机械有限公司 | High-alloy steel powder for thermal spraying and preparation method thereof |
| CN113308640A (en) * | 2021-05-19 | 2021-08-27 | 湖南华民控股集团股份有限公司 | Low-manganese-vanadium wear-resistant cast iron grinding ball or grinding segment and preparation method thereof |
| CN115161557A (en) * | 2022-07-07 | 2022-10-11 | 唐山天和环保科技股份有限公司 | Coal mine crusher tooth cap and preparation method thereof |
| CN115029616A (en) * | 2022-08-11 | 2022-09-09 | 垣曲县晋锋机械铸造有限公司 | Heat-resistant, wear-resistant and corrosion-resistant iron casting |
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Application publication date: 20140416 |