CN103993247A - Embedded saddle dedicated alloy material - Google Patents
Embedded saddle dedicated alloy material Download PDFInfo
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- CN103993247A CN103993247A CN201410194183.5A CN201410194183A CN103993247A CN 103993247 A CN103993247 A CN 103993247A CN 201410194183 A CN201410194183 A CN 201410194183A CN 103993247 A CN103993247 A CN 103993247A
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Abstract
The invention discloses an embedded saddle dedicated alloy material which comprises the following components, by weight, 5-7% of Ni, 12-14% of Cr, 1.6-1.8% of Si, 0.1-0.3% of S, 0.25-0.3% of C, 0.1-0.3% of Mn, 0.05-0.08% of B, 0.2-0.5% of Si, 0.003-0.009% of P, 0.8-1.2% of W, 0.5-0.8% of Ti, 3.2-3.6% of compound rare earth and the balance Fe. A preparation method of the alloy material comprises the following steps: Step (1) the raw materials are sent into a forging furnace for forging; Step (2) a workblank is heated to 550-600 DEG C; Step (3) the blank undergoes solid solution treatment; Step (4) the blank is quenched and tempered; and Step (5) a finished product is obtained after being detected qualified.
Description
Technical field
The present invention relates to a kind of alloy material, specifically a kind of embedded saddle alloy material.
Background technology
At present, on domestic market, occur a large amount of embedded saddles, but its work-ing life is short, very easily corrosion, surface oxidation is serious, cause industrial accident, and maintenance cost is large, brings the potential safety hazard in production, and this problem becomes increasingly conspicuous, urgent need seek a kind of can long service life, corrosion-resistant, the embedded saddle that reliability is higher.
Summary of the invention
Technical problem to be solved by this invention is, shortcoming for above prior art, a kind of embedded saddle alloy material is proposed, improved quality product, increased Strong embedded saddle anti-oxidant, corrosion-resistant, the performance such as high temperature resistant, increase the work-ing life of embedded saddle, meet the requirement of safe and reliable use under various special operation conditions, avoid production development accident.
In order to solve the problems of the technologies described above, technical scheme of the present invention is achieved in the following ways: a kind of embedded saddle alloy material, the mass percent of alloy material composition wherein: the mass percent of alloy material composition: Ni:5～7%, Cr:12～14%, Si:1.6～1.8%, S:0.1～0.3%, C:0.25～0.3%, Mn:0.1～0.3%, B:0.05～0.08%, Si:0.2～0.5%, P:0.003～0.009%, W:0.8～1.2%, Ti:0.5～0.8%, compound rare-earth: 3.2～3.6%, all the other are Fe and inevitable impurity,
In compound rare-earth, comprise by weight percentage following component: La:32～35%, Y:18～21%, Sc:12～14%, Gd:1～3%, Sm:2～6%, Dy:23～26%, Nd:8～11%; All the other are Ce and inevitable impurity; The preparation method of this alloy material carries out according to the following steps:
Step (1): raw material is sent into forging furnace and forge, forging temperature, at 900-980 ℃, is incubated 30-50min, then add the compound rare-earth preparing, increase forging temperature to 1000-1100 ℃, insulation 30-60min, then enters the first refrigerating work procedure and is cooled to 30-40 ℃;
Step (2): the blank having forged is first heated to 550-600 ℃, insulation 30-45min, temperature is being increased to 850-900 ℃, then adopts the second refrigerating work procedure to be cooled to room temperature;
Step (3): the alloy billet obtaining in step (2) is heat-treated, treatment process is solution treatment, equipment for Heating Processing adopts bell furnace, heat-treatment temperature range is 950-980 ℃, soaking time is 30-40min, then alloy billet is arrived to 38-42 ℃ with the speed water cooling of 10-15 ℃/S, obtain flange blank;
Step (4): carry out modifier treatment by obtaining flange blank in step (3), elder generation to 850-890 ℃, is incubated 25-45min blank heating, and then air cooling, to room temperature, is being heated to 550-600 ℃, insulation 30-50min, and then air cooling is to room temperature;
Step (5): cooled blank is adopted to 100% magnetic particle testing, detect after qualified and be finished product.
Like this, by technical scheme of the present invention, obtain embedded saddle alloy material, improved quality product, increased Strong embedded saddle anti-oxidant, corrosion-resistant, the performance such as high temperature resistant, increase the work-ing life of embedded saddle, also added compound rare-earth simultaneously, can play crystal grain thinning, be uniformly distributed, add compound rare-earth can play refining, in desulfurization, be harmful to effect roughly with low melting point, and can improve the processing characteristics of saddle, produced beyond thought technique effect, meet the requirement of safe and reliable use under various special operation conditions, avoid production development accident, cost-saving, improve productivity effect.
The technical scheme that the present invention further limits is:
Aforesaid embedded saddle alloy material, the mass percent of alloy material composition: Ni:5%, Cr:12%, Si:1.6%, S:0.1%, C:0.25%, Mn:0.1%, B:0.05%, Si:0.2%, P:0.003%, W:0.8%, Ti:0.5%, compound rare-earth: 3.2%, all the other are Fe and inevitable impurity;
In compound rare-earth, comprise by weight percentage following component: La:32%, Y:18%, Sc:12%, Gd:1%, Sm:2%, Dy:23%, Nd:8%; All the other are Ce and inevitable impurity.
Aforesaid embedded saddle alloy material, the mass percent of alloy material composition: Ni:7%, Cr:14%, Si:1.8%, S:0.3%, C:0.3%, Mn:0.3%, B:0.08%, Si:0.5%, P:0.009%, W:1.2%, Ti:0.8%, compound rare-earth: 3.6%, all the other are Fe and inevitable impurity;
In compound rare-earth, comprise by weight percentage following component: La:35%, Y:21%, Sc:14%, Gd:3%, Sm:6%, Dy:26%, Nd:11%; All the other are Ce and inevitable impurity.
Aforesaid embedded saddle alloy material, the mass percent of alloy material composition: Ni:6%, Cr:13%, Si:1.7%, S:0.2%, C:0.26%, Mn:0.2%, B:0.06%, Si:0.4%, P:0.005%, W:0.9%, Ti:0.6%, compound rare-earth: 3.5%, all the other are Fe and inevitable impurity;
In compound rare-earth, comprise by weight percentage following component: La:33%, Y:20%, Sc:13%, Gd:2%, Sm:5%, Dy:24%, Nd:9%; All the other are Ce and inevitable impurity.
The preparation method of alloy material for aforesaid embedded saddle, the first refrigerating work procedure: first use the air-cooled speed with 10-15 ℃/S to be cooled to 500-550 ℃, and then water-cooled is cooled to 30-40 ℃ with the speed of 20-25 ℃/S.
The preparation method of alloy material for aforesaid embedded saddle, the second refrigerating work procedure: first air cooling is to 600-650 ℃, is cooled to 450-500 ℃ in water-cooled with the speed of 15-25 ℃/S, and then air-cooled speed with 10-18 ℃/S is cooled to room temperature.
The invention has the beneficial effects as follows: embedded saddle alloy material, can improve quality product, increased Strong embedded saddle anti-oxidant, corrosion-resistant, the performance such as high temperature resistant, increase the work-ing life of embedded saddle, also added compound rare-earth simultaneously, can play crystal grain thinning, be uniformly distributed, produced beyond thought technique effect, add compound rare-earth can play refining, in desulfurization, be harmful to effect roughly with low melting point, and can improve the processing characteristics of saddle, meet the requirement of safe and reliable use under various special operation conditions, avoid production development accident, cost-saving, improve productivity effect.
Nickeliferous in alloy material for the manufacture of flange of the present invention, wherein nickel plays anti-oxidant and anticorrosive effect, has higher intensity and anti-oxidant, resistance to combustion gas corrosion ability under 650～1000 ℃ of high temperature, even can be at 1000～1100 ℃ of temperature life-time service; Wherein boracic, can improve the ability of resistance to various acid corrosion and stress corrosion; Wherein siliceous, make alloy there is higher resistivity, lower temperature coefficient of resistivity and good solidity to corrosion, improve the oxidation-resistance of alloy material, high temperature strength
Adopt water-cooled and the air-cooled type of cooling combining, can not only make grain structure obtain refinement, and cooling even, avoid blank to produce the problems such as pore and crackle, can improve the quality of blank, the rate of reducing the number of rejects and seconds.
Embodiment
Below the present invention is described in further detail:
embodiment 1
A kind of embedded saddle alloy material that the present embodiment provides, the mass percent of its alloy material composition: Ni:5%, Cr:12%, Si:1.6%, S:0.1%, C:0.25%, Mn:0.1%, B:0.05%, Si:0.2%, P:0.003%, W:0.8%, Ti:0.5%, compound rare-earth: 3.2%, all the other are Fe and inevitable impurity;
In compound rare-earth, comprise by weight percentage following component: La:32%, Y:18%, Sc:12%, Gd:1%, Sm:2%, Dy:23%, Nd:8%; All the other are Ce and inevitable impurity, and the preparation method of this alloy material carries out according to the following steps:
Step (1): raw material is sent into forging furnace and forge, forging temperature is at 900 ℃, insulation 30min, then add the compound rare-earth preparing, increase forging temperature to 1000 ℃, insulation 30min, then first uses the air-cooled speed with 10 ℃/S to be cooled to 500 ℃, and then water-cooled is cooled to 30 ℃ with the speed of 20 ℃/S;
Step (2): the blank having forged is first heated to 550 ℃, insulation 30min, temperature, being increased to 850 ℃, then adopts first air cooling to 600 ℃, in water-cooled, with the speed of 15 ℃/S, is cooled to 450 ℃, and then air-cooled speed with 10 ℃/S is cooled to room temperature;
Step (3): the alloy billet obtaining in step (2) is heat-treated, treatment process is solution treatment, equipment for Heating Processing adopts bell furnace, heat-treatment temperature range is 950 ℃, soaking time is 30min, then the speed water cooling to 38 ℃ with 12 ℃/S by alloy billet, obtains flange blank;
Step (4): by obtaining flange blank in step (3), carry out modifier treatment, first blank heating to 850 ℃, insulation 25min, then air cooling, to room temperature, is being heated to 550 ℃, insulation 30min, and then air cooling is to room temperature;
Step (5): cooled blank is adopted and carries out 100% magnetic particle testing according to JB/T4730 standard, and defect detecting test adopts dry method+continuous processing+contact method, detects after qualified and is finished product.
embodiment 2
A kind of embedded saddle alloy material that the present embodiment provides, the mass percent of its alloy material composition: Ni:7%, Cr:14%, Si:1.8%, S:0.3%, C:0.3%, Mn:0.3%, B:0.08%, Si:0.5%, P:0.009%, W:1.2%, Ti:0.8%, compound rare-earth: 3.6%, all the other are Fe and inevitable impurity;
In compound rare-earth, comprise by weight percentage following component: La:35%, Y:21%, Sc:14%, Gd:3%, Sm:6%, Dy:26%, Nd:11%; All the other are Ce and inevitable impurity, and the preparation method of this alloy material carries out according to the following steps:
Step (1): raw material is sent into forging furnace and forge, forging temperature is at 980 ℃, insulation 50min, then add the compound rare-earth preparing, increase forging temperature to 1100 ℃, insulation 60min, then first uses the air-cooled speed with 15 ℃/S to be cooled to 550 ℃, and then water-cooled is cooled to 40 ℃ with the speed of 25 ℃/S;
Step (2): the blank having forged is first heated to 600 ℃, insulation 45min, temperature, being increased to 900 ℃, then adopts first air cooling to 650 ℃, in water-cooled, with the speed of 25 ℃/S, is cooled to 500 ℃, and then air-cooled speed with 18 ℃/S is cooled to room temperature;
Step (3): the alloy billet obtaining in step (2) is heat-treated, treatment process is solution treatment, equipment for Heating Processing adopts bell furnace, heat-treatment temperature range is 980 ℃, soaking time is 40min, then the speed water cooling to 42 ℃ with 10 ℃/S by alloy billet, obtains flange blank;
Step (4): by obtaining flange blank in step (3), carry out modifier treatment, first blank heating to 890 ℃, insulation 45min, then air cooling, to room temperature, is being heated to 600 ℃, insulation 50min, and then air cooling is to room temperature
;
Step (5): cooled blank is adopted and carries out 100% magnetic particle testing according to JB/T4730 standard, and defect detecting test adopts dry method+continuous processing+contact method, detects after qualified and is finished product.
embodiment 3
A kind of embedded saddle alloy material that the present embodiment provides, the mass percent of its alloy material composition: Ni:6%, Cr:13%, Si:1.7%, S:0.2%, C:0.26%, Mn:0.2%, B:0.06%, Si:0.4%, P:0.005%, W:0.9%, Ti:0.6%, compound rare-earth: 3.5%, all the other are Fe and inevitable impurity;
In compound rare-earth, comprise by weight percentage following component: La:33%, Y:20%, Sc:13%, Gd:2%, Sm:5%, Dy:24%, Nd:9%; All the other are Ce and inevitable impurity, and the preparation method of this alloy material carries out according to the following steps:
Step (1): raw material is sent into forging furnace and forge, forging temperature is at 950 ℃, insulation 40min, then add the compound rare-earth preparing, increase forging temperature to 1050 ℃, insulation 50min, then first uses the air-cooled speed with 12 ℃/S to be cooled to 530 ℃, and then water-cooled is cooled to 35 ℃ with the speed of 23 ℃/S;
Step (2): the blank having forged is first heated to 580 ℃, insulation 40min, temperature, being increased to 880 ℃, then adopts first air cooling to 620 ℃, in water-cooled, with the speed of 20 ℃/S, is cooled to 480 ℃, and then air-cooled speed with 15 ℃/S is cooled to room temperature;
Step (3): the alloy billet obtaining in step (2) is heat-treated, treatment process is solution treatment, equipment for Heating Processing adopts bell furnace, heat-treatment temperature range is 960 ℃, soaking time is 35min, then the speed water cooling to 40 ℃ with 15 ℃/S by alloy billet, obtains flange blank;
Step (4): by obtaining flange blank in step (3), carry out modifier treatment, first blank heating to 880 ℃, insulation 42min, then air cooling, to room temperature, is being heated to 580 ℃, insulation 38min, and then air cooling is to room temperature;
Step (5): cooled blank is adopted and carries out 100% magnetic particle testing according to JB/T4730 standard, and defect detecting test adopts dry method+continuous processing+contact method, detects after qualified and is finished product.
Obtain so embedded saddle alloy material, can improve quality product, increased Strong embedded saddle anti-oxidant, corrosion-resistant, the performance such as high temperature resistant, increase the work-ing life of embedded saddle, also added compound rare-earth simultaneously, can play crystal grain thinning, be uniformly distributed, add compound rare-earth can play in refining, desulfurization and the harmful effect roughly of low melting point, and can improve the processing characteristics of saddle.
Above embodiment only, for explanation technological thought of the present invention, can not limit protection scope of the present invention with this, every technological thought proposing according to the present invention, and any change of doing on technical scheme basis, within all falling into protection domain of the present invention.
Claims (7)
1. an embedded saddle alloy material, it is characterized in that: the mass percent of described alloy material composition: Ni:5～7%, Cr:12～14%, Si:1.6～1.8%, S:0.1～0.3%, C:0.25～0.3%, Mn:0.1～0.3%, B:0.05～0.08%, Si:0.2～0.5%, P:0.003～0.009%, W:0.8～1.2%, Ti:0.5～0.8%, compound rare-earth: 3.2～3.6%, all the other are Fe and inevitable impurity;
In described compound rare-earth, comprise by weight percentage following component: La:32～35%, Y:18～21%, Sc:12～14%, Gd:1～3%, Sm:2～6%, Dy:23～26%, Nd:8～11%; All the other are Ce and inevitable impurity.
2. embedded saddle alloy material according to claim 1, it is characterized in that: the mass percent of described alloy material composition: Ni:5%, Cr:12%, Si:1.6%, S:0.1%, C:0.25%, Mn:0.1%, B:0.05%, Si:0.2%, P:0.003%, W:0.8%, Ti:0.5%, compound rare-earth: 3.2%, all the other are Fe and inevitable impurity;
In described compound rare-earth, comprise by weight percentage following component: La:32%, Y:18%, Sc:12%, Gd:1%, Sm:2%, Dy:23%, Nd:8%; All the other are Ce and inevitable impurity.
3. embedded saddle alloy material according to claim 1, it is characterized in that: the mass percent of described alloy material composition: Ni:7%, Cr:14%, Si:1.8%, S:0.3%, C:0.3%, Mn:0.3%, B:0.08%, Si:0.5%, P:0.009%, W:1.2%, Ti:0.8%, compound rare-earth: 3.6%, all the other are Fe and inevitable impurity;
In described compound rare-earth, comprise by weight percentage following component: La:35%, Y:21%, Sc:14%, Gd:3%, Sm:6%, Dy:26%, Nd:11%; All the other are Ce and inevitable impurity.
4. embedded saddle alloy material according to claim 1, it is characterized in that: the mass percent of described alloy material composition: Ni:6%, Cr:13%, Si:1.7%, S:0.2%, C:0.26%, Mn:0.2%, B:0.06%, Si:0.4%, P:0.005%, W:0.9%, Ti:0.6%, compound rare-earth: 3.5%, all the other are Fe and inevitable impurity;
In described compound rare-earth, comprise by weight percentage following component: La:33%, Y:20%, Sc:13%, Gd:2%, Sm:5%, Dy:24%, Nd:9%; All the other are Ce and inevitable impurity.
5. a preparation method for alloy material for embedded saddle, is characterized in that: the preparation method of described this alloy material carries out according to the following steps:
Step (1): raw material is sent into forging furnace and forge, forging temperature, at 900-980 ℃, is incubated 30-50min, then add the compound rare-earth preparing, increase forging temperature to 1000-1100 ℃, insulation 30-60min, then enters the first refrigerating work procedure and is cooled to 30-40 ℃;
Step (2): the blank having forged is first heated to 550-600 ℃, insulation 30-45min, temperature is being increased to 850-900 ℃, then adopts the second refrigerating work procedure to be cooled to room temperature;
Step (3): the alloy billet obtaining in step (2) is heat-treated, treatment process is solution treatment, equipment for Heating Processing adopts bell furnace, heat-treatment temperature range is 950-980 ℃, soaking time is 30-40min, then alloy billet is arrived to 38-42 ℃ with the speed water cooling of 10-15 ℃/S, obtain flange blank;
Step (4): carry out modifier treatment by obtaining flange blank in step (3), elder generation to 850-890 ℃, is incubated 25-45min blank heating, and then air cooling, to room temperature, is being heated to 550-600 ℃, insulation 30-50min, and then air cooling is to room temperature;
Step (5): cooled blank is adopted to 100% magnetic particle testing, detect after qualified and be finished product.
6. the preparation method of alloy material for embedded saddle according to claim 5, it is characterized in that: described the first refrigerating work procedure: first use the air-cooled speed with 10-15 ℃/S to be cooled to 500-550 ℃, and then water-cooled is cooled to 30-40 ℃ with the speed of 20-25 ℃/S.
7. the preparation method of alloy material for embedded saddle according to claim 5, it is characterized in that: described the second refrigerating work procedure: first air cooling is to 600-650 ℃, in water-cooled, with the speed of 15-25 ℃/S, be cooled to 450-500 ℃, and then air-cooled speed with 10-18 ℃/S is cooled to room temperature.
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| CN201410194183.5A CN103993247A (en) | 2014-05-09 | 2014-05-09 | Embedded saddle dedicated alloy material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410194183.5A CN103993247A (en) | 2014-05-09 | 2014-05-09 | Embedded saddle dedicated alloy material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767177A (en) * | 2009-12-31 | 2010-07-07 | 上海新闵重型锻造有限公司 | Method for forging bearing support forge piece |
| CN103572163A (en) * | 2013-10-10 | 2014-02-12 | 铜陵国方水暖科技有限责任公司 | Powder-metallurgy valve seat insert and preparation method thereof |
| CN103614632A (en) * | 2013-12-10 | 2014-03-05 | 镇江市华阳机电制造有限公司 | Manufacturing method of submarine oil well valve base |
-
2014
- 2014-05-09 CN CN201410194183.5A patent/CN103993247A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101767177A (en) * | 2009-12-31 | 2010-07-07 | 上海新闵重型锻造有限公司 | Method for forging bearing support forge piece |
| CN103572163A (en) * | 2013-10-10 | 2014-02-12 | 铜陵国方水暖科技有限责任公司 | Powder-metallurgy valve seat insert and preparation method thereof |
| CN103614632A (en) * | 2013-12-10 | 2014-03-05 | 镇江市华阳机电制造有限公司 | Manufacturing method of submarine oil well valve base |
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