CN105525224A - Anti-corrosion alloy steel ring piece and rolling process - Google Patents
Anti-corrosion alloy steel ring piece and rolling process Download PDFInfo
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- CN105525224A CN105525224A CN201610060171.2A CN201610060171A CN105525224A CN 105525224 A CN105525224 A CN 105525224A CN 201610060171 A CN201610060171 A CN 201610060171A CN 105525224 A CN105525224 A CN 105525224A
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- corrosion
- alloy steel
- ring
- resisting alloy
- steel ring
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
Abstract
The invention discloses an anti-corrosion alloy steel ring piece and a rolling process. The anti-corrosion alloy steel ring piece is composed of, by weight, 0.45-0.78% of C, 0.05-0.60% of Cr, 0.56-2.34% of Si, 1.5-3.8% of Mo, 0.055-1.00% of Re, 0.24-1.65% of Mn, 0.015-0.200% of Ta, 0.06-0.13% of Ni, 0.05-0.75% of Ti, the balance Fe and inevitable impurities. According to the anti-corrosion alloy steel ring piece, the anti-corrosion property of stainless steel in the corrosion environment can be strengthened through the Mo added in alloy steel; the chemical property of the Ta and the chemical property of the Ti are stable, so that the anti-corrosion property of the alloy steel is improved to a great extent; the anti-abrasion property of the alloy steel is improved through the Re and the Ni, and the ring piece made of the alloy steel has high anti-abrasion capability and high anti-corrosion capability and is suitable for the work environment with a high corrosion property. According to the rolling process, the rolling process is easy, hollow steel tubes are selected to be used as the raw material, and the step of circular hole extruding is omitted; accordingly, large internal stress is prevented from being produced when circular hole extruding is conducted on the alloy steel, the machining property and the mechanical property of the alloy steel are improved, and moreover it is beneficial to improve the precision of the ring piece.
Description
Technical field
The present invention relates to ring technical field, be specifically related to a kind of corrosion-resisting alloy steel ring and rolling technology.
Background technology
Ring is the important mechanical component of one existed in modern production equipment, and the fine or not direct relation of its quality the work-ing life of main part.Along with economic technology development, improve constantly in production reality to the requirement of equipment and mechanical original paper, the erosion resistance improving ring has great importance to production work.
Ring rolling makes ring produce continuous local plastic deformation by ring rolling mill and rolling groove, and then realize the plastotype complete processing of wall thickness reduction, enlarged-diameter, cross section profile shaping, and it is applicable to the annular mechanical component producing various ring-type size.At present, the ring material for roll forming mainly contains: carbon steel, alloy tool steel, stainless steel, all kinds of alloys etc.Compared with other ring production methods, ring rolling has the significant technological and economical advantages such as equipment tonnage is little, productivity is high, energy-saving material-saving, production cost are low.But existing common grinding forming technique also also exists certain problem, the problem that such as rolling stress is large, forming accuracy is not high enough, the shaping precision therefore improving constantly rolling technology is the major issue that will solve in the ring course of processing.
Summary of the invention
The invention provides a kind of corrosion-resisting alloy steel ring and rolling technology, improve the erosion resistance of steel alloy, increase the service life, this processes operation is simple, and ring forming dimension precision is high.
For realizing above object, the present invention is implemented by the following technical programs:
A kind of corrosion-resisting alloy steel ring, be grouped into by the one-tenth of following weight percents: C0.45 ~ 0.78%, Cr0.05 ~ 0.60%, Si0.56 ~ 2.34%, Mo1.5 ~ 3.8%, Re0.055 ~ 1.00%, Mn0.24 ~ 1.65%, Ta0.015 ~ 0.200%, Ni0.06 ~ 0.13%, Ti0.05 ~ 0.75%, surplus is Fe and inevitable impurity.
Preferably, a kind of corrosion-resisting alloy steel ring, be grouped into by the one-tenth of following weight percents: C0.55 ~ 0.64%, Cr0.25 ~ 0.45%, Si1.25 ~ 2.15%, Mo1.5 ~ 3.8%, Re0.075 ~ 0.095%, Mn0.85 ~ 1.25%, Ta0.095 ~ 0.175%, Ni0.09 ~ 0.12%, Ti0.35 ~ 0.65%, surplus is Fe and inevitable impurity.
Preferably, a kind of corrosion-resisting alloy steel ring, be grouped into by the one-tenth of following weight percents: C0.60%, Cr0.35%, Si1.85%, Mo2.5%, Re0.085%, Mn0.95%, Ta0.155%, Ni0.10%, Ti0.455%, surplus is Fe and inevitable impurity.
A rolling technology for corrosion-resisting alloy steel ring, comprises the following steps:
(1) select materials: select hollow stainless-steel pipe;
(2) cut: stainless-steel pipe is cut into the steel section that 50-80cm is long;
(3) base: steel section is heated to heat-drawn wire from room temperature, is then rolled into hollow cake on forging press;
(4) stress relief annealing: hollow cake is heated to 450-600 DEG C, is incubated and is cooled to room temperature after 3-5 hour;
(5) circle is expanded: by open circles enlarged-diameter, the ring of obtained required size.
Preferably, the interior diameter of described hollow stainless-steel pipe is less than ring interior diameter, and outside diameter is greater than ring outside diameter.
Preferably, described stress relief annealing cooling is when temperature is higher than 400 DEG C, and speed of cooling is 80 DEG C/h.
Preferably, described stress relief annealing cools when temperature is lower than 400 DEG C, air cooling of coming out of the stove.
Mo: the corrosion resistance of stainless steel in corrosive environment can be strengthened.
Re: wear-resisting, corrosion-resistant.
Ta: movable metallic is poor, erosion resistance is very strong.
Ti: stable chemical nature, has good high temperature resistant and resistance to acids and bases.
Ni: can high polish and anticorrosive.
Beneficial effect of the present invention: the Mo added in steel alloy of the present invention can strengthen the corrosion resistance of stainless steel in corrosive environment; The stable chemical nature of Ta and Ti, improves the erosion resistance of steel alloy to a great extent; Re and Ni improves the wear resisting property of steel alloy, and the ring that this steel alloy obtains has stronger wear-resisting and corrosion resistance, the Working environment that applicable corrodibility is stronger.Simple at rolling technology of the present invention, choose hollow steel pipe and make raw material, save the step of extruding circular hole, not only avoid steel alloy to extrude circular hole and produce larger internal stress, improve its processing characteristics and mechanical property, and contribute to the precision improving ring.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
A kind of corrosion-resisting alloy steel ring, be grouped into by the one-tenth of following weight percents: C0.45%, Cr0.05%, Si0.56%, Mo1.5%, Re0.055%, Mn0.24%, Ta0.015%, Ni0.06%, Ti0.05%, surplus is Fe and inevitable impurity.
A rolling technology for corrosion-resisting alloy steel ring, comprises the following steps:
(1) select materials: select hollow stainless-steel pipe;
(2) cut: stainless-steel pipe is cut into the steel section that 50-80cm is long;
(3) base: steel section is heated to heat-drawn wire from room temperature, is then rolled into hollow cake on forging press;
(4) stress relief annealing: hollow cake is heated to 450-600 DEG C, is incubated and is cooled to room temperature after 3-5 hour;
(5) circle is expanded: by open circles enlarged-diameter, the ring of obtained required size.
The interior diameter of above-mentioned hollow stainless-steel pipe is less than ring interior diameter, and outside diameter is greater than ring outside diameter.
Above-mentioned stress relief annealing speed of cooling be temperature higher than 400 DEG C time, speed of cooling is 80 DEG C/h, lower than air cooling of coming out of the stove when 400 DEG C.
Embodiment 2:
A kind of corrosion-resisting alloy steel ring, be grouped into by the one-tenth of following weight percents: C0.78%, Cr0.60%, Si2.34%, Mo3.8%, Re1.00%, Mn1.65%, Ta0.200%, Ni0.13%, Ti0.75%, surplus is Fe and inevitable impurity.
A rolling technology for corrosion-resisting alloy steel ring, comprises the following steps:
(1) select materials: select hollow stainless-steel pipe;
(2) cut: stainless-steel pipe is cut into the steel section that 50-80cm is long;
(3) base: steel section is heated to heat-drawn wire from room temperature, is then rolled into hollow cake on forging press;
(4) stress relief annealing: hollow cake is heated to 450-600 DEG C, is incubated and is cooled to room temperature after 3-5 hour;
(5) circle is expanded: by open circles enlarged-diameter, the ring of obtained required size.
The interior diameter of above-mentioned hollow stainless-steel pipe is less than ring interior diameter, and outside diameter is greater than ring outside diameter.
Above-mentioned stress relief annealing speed of cooling be temperature higher than 400 DEG C time, speed of cooling is 80 DEG C/h, lower than air cooling of coming out of the stove when 400 DEG C.
Embodiment 3:
A kind of corrosion-resisting alloy steel ring, be grouped into by the one-tenth of following weight percents: C0.55%, Cr0.25%, Si1.25%, Mo1.5%, Re0.075%, Mn0.85%, Ta0.095%, Ni0.09%, Ti0.35%, surplus is Fe and inevitable impurity.
A rolling technology for corrosion-resisting alloy steel ring, comprises the following steps:
(1) select materials: select hollow stainless-steel pipe;
(2) cut: stainless-steel pipe is cut into the steel section that 50-80cm is long;
(3) base: steel section is heated to heat-drawn wire from room temperature, is then rolled into hollow cake on forging press;
(4) stress relief annealing: hollow cake is heated to 450-600 DEG C, is incubated and is cooled to room temperature after 3-5 hour;
(5) circle is expanded: by open circles enlarged-diameter, the ring of obtained required size.
The interior diameter of above-mentioned hollow stainless-steel pipe is less than ring interior diameter, and outside diameter is greater than ring outside diameter.
Above-mentioned stress relief annealing speed of cooling be temperature higher than 400 DEG C time, speed of cooling is 80 DEG C/h, lower than air cooling of coming out of the stove when 400 DEG C.
Embodiment 4:
A kind of corrosion-resisting alloy steel ring, be grouped into by the one-tenth of following weight percents: C0.64%, Cr0.45%, Si2.15%, Mo3.8%, Re0.095%, Mn1.25%, Ta0.175%, Ni0.12%, Ti0.65%, surplus is Fe and inevitable impurity.
A rolling technology for corrosion-resisting alloy steel ring, comprises the following steps:
(1) select materials: select hollow stainless-steel pipe;
(2) cut: stainless-steel pipe is cut into the steel section that 50-80cm is long;
(3) base: steel section is heated to heat-drawn wire from room temperature, is then rolled into hollow cake on forging press;
(4) stress relief annealing: hollow cake is heated to 450-600 DEG C, is incubated and is cooled to room temperature after 3-5 hour;
(5) circle is expanded: by open circles enlarged-diameter, the ring of obtained required size.
The interior diameter of above-mentioned hollow stainless-steel pipe is less than ring interior diameter, and outside diameter is greater than ring outside diameter.
Above-mentioned stress relief annealing speed of cooling be temperature higher than 400 DEG C time, speed of cooling is 80 DEG C/h, lower than air cooling of coming out of the stove when 400 DEG C.
Embodiment 5:
A kind of corrosion-resisting alloy steel ring, be grouped into by the one-tenth of following weight percents: C0.60%, Cr0.35%, Si1.85%, Mo2.5%, Re0.085%, Mn0.95%, Ta0.155%, Ni0.10%, Ti0.455%, surplus is Fe and inevitable impurity.
A rolling technology for corrosion-resisting alloy steel ring, comprises the following steps:
(1) select materials: select hollow stainless-steel pipe;
(2) cut: stainless-steel pipe is cut into the steel section that 50-80cm is long;
(3) base: steel section is heated to heat-drawn wire from room temperature, is then rolled into hollow cake on forging press;
(4) stress relief annealing: hollow cake is heated to 450-600 DEG C, is incubated and is cooled to room temperature after 3-5 hour;
(5) circle is expanded: by open circles enlarged-diameter, the ring of obtained required size.
The interior diameter of above-mentioned hollow stainless-steel pipe is less than ring interior diameter, and outside diameter is greater than ring outside diameter.
Above-mentioned stress relief annealing speed of cooling be temperature higher than 400 DEG C time, speed of cooling is 80 DEG C/h, lower than air cooling of coming out of the stove when 400 DEG C.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (7)
1. a corrosion-resisting alloy steel ring, it is characterized in that, be grouped into by the one-tenth of following weight percents: C0.45 ~ 0.78%, Cr0.05 ~ 0.60%, Si0.56 ~ 2.34%, Mo1.5 ~ 3.8%, Re0.055 ~ 1.00%, Mn0.24 ~ 1.65%, Ta0.015 ~ 0.200%, Ni0.06 ~ 0.13%, Ti0.05 ~ 0.75%, surplus is Fe and inevitable impurity.
2. a corrosion-resisting alloy steel ring as claimed in claim 1, it is characterized in that, be grouped into by the one-tenth of following weight percents: C0.55 ~ 0.64%, Cr0.25 ~ 0.45%, Si1.25 ~ 2.15%, Mo1.5 ~ 3.8%, Re0.075 ~ 0.095%, Mn0.85 ~ 1.25%, Ta0.095 ~ 0.175%, Ni0.09 ~ 0.12%, Ti0.35 ~ 0.65%, surplus is Fe and inevitable impurity.
3. a corrosion-resisting alloy steel ring as claimed in claim 1, it is characterized in that, be grouped into by the one-tenth of following weight percents: C0.60%, Cr0.35%, Si1.85%, Mo2.5%, Re0.085%, Mn0.95%, Ta0.155%, Ni0.10%, Ti0.455%, surplus is Fe and inevitable impurity.
4. a rolling technology for the corrosion-resisting alloy steel ring as described in as arbitrary in claim 1-3, comprises the following steps:
(1) select materials: select hollow stainless-steel pipe;
(2) cut: stainless-steel pipe is cut into the steel section that 50-80cm is long;
(3) base: steel section is heated to heat-drawn wire from room temperature, is then rolled into hollow cake on forging press;
(4) stress relief annealing: hollow cake is heated to 450-600 DEG C, is incubated and is cooled to room temperature after 3-5 hour;
(5) circle is expanded: by open circles enlarged-diameter, the ring of obtained required size.
5. the rolling technology of corrosion-resisting alloy steel ring as claimed in claim 4, it is characterized in that, the interior diameter of described hollow stainless-steel pipe is less than ring interior diameter, and outside diameter is greater than ring outside diameter.
6. the rolling technology of corrosion-resisting alloy steel ring as claimed in claim 4, it is characterized in that, described stress relief annealing is cooled to: when temperature is higher than 400 DEG C, speed of cooling is 80 DEG C/h.
7. the rolling technology of corrosion-resisting alloy steel ring as claimed in claim 4, is characterized in that, described stress relief annealing cooling, when temperature is lower than air cooling of coming out of the stove when 400 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060171.2A CN105525224A (en) | 2016-01-26 | 2016-01-26 | Anti-corrosion alloy steel ring piece and rolling process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610060171.2A CN105525224A (en) | 2016-01-26 | 2016-01-26 | Anti-corrosion alloy steel ring piece and rolling process |
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| CN105525224A true CN105525224A (en) | 2016-04-27 |
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| CN201610060171.2A Pending CN105525224A (en) | 2016-01-26 | 2016-01-26 | Anti-corrosion alloy steel ring piece and rolling process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273863A (en) * | 2021-12-29 | 2022-04-05 | 西部金属材料股份有限公司 | Preparation method of titanium alloy ring piece |
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| JP2004100027A (en) * | 2002-09-12 | 2004-04-02 | Nippon Steel Corp | Steel for liquid-phase diffusion bonding having excellent resistance to low-temperature transformation crack |
| CN101921959A (en) * | 2009-06-16 | 2010-12-22 | 大同特殊钢株式会社 | Hot working tool steel and the steel work that uses it to make |
| CN102689154A (en) * | 2012-06-18 | 2012-09-26 | 西南大学 | Liquid die forging and rolling compound formation method for stainless steel irregular-section large ring piece |
| CN102699635A (en) * | 2012-06-18 | 2012-10-03 | 西南大学 | Liquid die-forging and rolling composite forming method for bearing ring piece |
| CN104625651A (en) * | 2015-01-27 | 2015-05-20 | 安徽同盛环件股份有限公司 | Forming technology for stainless steel ring parts |
-
2016
- 2016-01-26 CN CN201610060171.2A patent/CN105525224A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004100027A (en) * | 2002-09-12 | 2004-04-02 | Nippon Steel Corp | Steel for liquid-phase diffusion bonding having excellent resistance to low-temperature transformation crack |
| CN101921959A (en) * | 2009-06-16 | 2010-12-22 | 大同特殊钢株式会社 | Hot working tool steel and the steel work that uses it to make |
| CN102689154A (en) * | 2012-06-18 | 2012-09-26 | 西南大学 | Liquid die forging and rolling compound formation method for stainless steel irregular-section large ring piece |
| CN102699635A (en) * | 2012-06-18 | 2012-10-03 | 西南大学 | Liquid die-forging and rolling composite forming method for bearing ring piece |
| CN104625651A (en) * | 2015-01-27 | 2015-05-20 | 安徽同盛环件股份有限公司 | Forming technology for stainless steel ring parts |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273863A (en) * | 2021-12-29 | 2022-04-05 | 西部金属材料股份有限公司 | Preparation method of titanium alloy ring piece |
| CN114273863B (en) * | 2021-12-29 | 2023-08-08 | 西部金属材料股份有限公司 | Preparation method of titanium alloy ring piece |
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Application publication date: 20160427 |
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