CN102899577A - Stainless steel alloy resistive material - Google Patents
Stainless steel alloy resistive material Download PDFInfo
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- CN102899577A CN102899577A CN2012101546343A CN201210154634A CN102899577A CN 102899577 A CN102899577 A CN 102899577A CN 2012101546343 A CN2012101546343 A CN 2012101546343A CN 201210154634 A CN201210154634 A CN 201210154634A CN 102899577 A CN102899577 A CN 102899577A
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Abstract
The invention discloses a stainless steel alloy resistive material. The stainless steel alloy resistive material comprises: by mass, 0 to 0.05% of C, 0 to 0.025% of P, 0 to 0.020% of S, 0 to 0.05% of Mn, 0 to 0.05% of Si, 17.0 to 19.0% of Cr, 0.20 to 0.60% of Ni, 1.5 to 2.2% of Al, 0 to 0.50% of Ti and the balance Fe. The stainless steel alloy resistive material is used for a neutral grounding resistor of an electric distribution system, can guarantee high strength, good toughness, good oxidation resistance and a stable resistance value, and has high electrical resistivity and a low resistance temperature coefficient.
Description
Technical field
The present invention relates to electric power network system field, relate in particular to a kind of Stainless Steel Alloy resistive material for the power distribution system neutral point grounding resistor.
Background technology
Resistor is the maximum element of number of applications in the electronic circuit, usually presses power and resistance and forms different series, selects for the circuit planner.Resistor is mainly used to adjusting and steady current and voltage in circuit, can be used as splitter and voltage-divider, also can do the Circuit Matching load.
The mode of power distribution system neutral point grounding resistor ground connection is adopted widely in countries such as America and Europe, East Asia and South Asia.Take cable line as main city power distribution system, power generation system, the distribution network system such as large-and-medium size cities such as Beijing, Tianjin, the Yangtze River Delta, areas, Pearl River Delta has generally adopted the neutral point grounding resistor earthing mode in China.The Stainless Steel Alloy that the heterogeneity that its resistive material of existing neutral point grounding resistor adopts usually forms, all have the stable advantage of intensity height, good toughness, good in oxidation resistance and resistance, the effect that the Stainless Steel Alloy resistive material of heterogeneity presents in the work operational process of whole neutral point grounding resistor is different.And the present higher requirement of resistive material proposition to its neutral point grounding resistor, when proof strength height, good toughness, good in oxidation resistance and resistance are stable, resistivity is high and temperature coefficient of resistance is low seems particularly important, in the situation of variation of ambient temperature, better steady current and voltage, and existing Stainless Steel Alloy resistive material can not satisfy such requirement.
Summary of the invention
The technical problem to be solved in the present invention is for the defective that exists in the prior art, provides a kind of resistivity the high and low Stainless Steel Alloy resistive material of temperature coefficient of resistance.
In order to overcome the defective that exists in the background technology, the technical solution adopted for the present invention to solve the technical problems is: a kind of Stainless Steel Alloy resistive material, comprise that chemical ingredients satisfies C 0～0.05%, and P 0～0.025%, S 0～0.020%, Mn 0～0.05%, and Si 0～0.05%, and Cr 17.0%～19.0%, Ni 0.20%～0.60%, Al 1.5%～2.2%, and Ti 0～0.50%, and surplus is that Fe(is mass percent).
In a preferred embodiment of the present invention, the content of described Al is 1.7%～1.8%.
In a preferred embodiment of the present invention, the forge hot of described Stainless Steel Alloy resistive material becomes plate construction, and the surface is through sandblasting.
The invention solves the defective that exists in the background technology, use the optimal components proportioning, especially the content of aluminium is in 1.7%～1.8% the situation, under heat-treat condition and after the deepfreeze, has good structure stability, improved the resistivity of Stainless Steel Alloy resistive material and reduced temperature coefficient of resistance, better steady current and voltage.
Embodiment
A kind of Stainless Steel Alloy resistive material for the power distribution system neutral point grounding resistor of introducing in the present embodiment, comprise that chemical ingredients satisfies C 0～0.05%, P 0～0.025%, and S 0～0.020%, Mn 0～0.05%, Si 0～0.05%, and Cr 17.0%～19.0%, and Ni 0.20%～0.60%, Al 1.5%～2.2%, Ti 0～0.50%, and surplus is that Fe(is mass percent), wherein the optimum content of Al is 1.7%～1.8%.The forge hot of Stainless Steel Alloy resistive material becomes plate construction, and the length of side is 240 mm, and thickness is the square sheet material of 3.5 mm, and measuring resistance rate ρ＞=0.8 μ Ω m is examined through sandblasting in the surface.
Embodiment 1, according to the design component prescription: C 0.01%, and P 0.02%, and S 0.01%, and Mn 0.03%, and Si 0.02%, and Cr 17%, and Ni 0.3%, and Al 1.5%, and Ti 0.20%, and surplus is that Fe(is mass percent).Through melting, oil quenching and air cooling, making the length of side is 240 mm, and thickness is the square sheet material of 3.5 mm, and detecting the electricalresistivityρ is 0.81 μ Ω m.
Embodiment 2, according to the design component prescription: C 0.03%, and P 0.02%, and S 0.02%, and Mn 0.02%, and Si 0.03%, and Cr 19%, and Ni 0.5%, and Al 1.8%, and Ti 0.30%, and surplus is that Fe(is mass percent).Through melting, oil quenching and air cooling, making the length of side is 240 mm, and thickness is the square sheet material of 3.5 mm, and detecting the electricalresistivityρ is 0.83 μ Ω m.
Embodiment 3, according to the design component prescription: C 0.03%, and P 0.02%, and S 0.01%, and Mn 0.04%, and Si 0.05%, and Cr 19%, and Ni 0.5%, and Al 1.7%, and Ti 0.50%, and surplus is that Fe(is mass percent).Through melting, oil quenching and air cooling, making the length of side is 240 mm, and thickness is the square sheet material of 3.5 mm, and detecting the electricalresistivityρ is 0.085 μ Ω m.
Embodiment 4, according to the design component prescription: C 0.04%, and P 0.01%, and S 0.02%, and Mn 0.04%, and Si 0.03%, and Cr 17%, and Ni 0.6%, and Al 1.7%, and Ti 0.20%, and surplus is that Fe(is mass percent).Through melting, oil quenching and air cooling, making the length of side is 240 mm, and thickness is the square sheet material of 3.5 mm, and detecting the electricalresistivityρ is 1.02 μ Ω m.
Embodiment 5, according to the design component prescription: C 0.05%, and P 0.02%, and S 0.02%, and Mn 0.03%, and Si 0.04%, and Cr 17%, and Ni 0.5%, and Al 1.8%, and Ti 0.30%, and surplus is that Fe(is mass percent).Through melting, oil quenching and air cooling, making the length of side is 240 mm, and thickness is the square sheet material of 3.5 mm, and detecting the electricalresistivityρ is 1.00 μ Ω m.
Stainless Steel Alloy resistive material of the present invention is after thermal treatment and deepfreeze, have preferably structure stability and good mechanical property, when proof strength height, good toughness, good in oxidation resistance and resistance are stable, improve the resistivity of Stainless Steel Alloy resistive material and reduced temperature coefficient of resistance, be applied in the power distribution system neutral point grounding resistor better steady current and voltage.
Take above-mentioned foundation desirable embodiment of the present invention as enlightenment, by above-mentioned description, the relevant staff can in the scope that does not depart from this invention technological thought, carry out various change and modification fully.The technical scope of this invention is not limited to the content on the specification sheets, must determine its technical scope according to the claim scope.
Claims (3)
1. Stainless Steel Alloy resistive material, it is characterized in that: comprise that chemical ingredients satisfies C 0～0.05%, P 0～0.025%, and S 0～0.020%, and Mn 0～0.05%, Si 0～0.05%, Cr 17.0%～19.0%, and Ni 0.20%～0.60%, and Al 1.5%～2.2%, Ti 0～0.50%, and surplus is that Fe(is mass percent).
2. Stainless Steel Alloy resistive material according to claim 1, it is characterized in that: the content of described Al is that 1.7%～1.8%(is mass percent).
3. Stainless Steel Alloy resistive material according to claim 1, it is characterized in that: the forge hot of described Stainless Steel Alloy resistive material becomes plate construction, and the surface is through sandblasting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210154634.3A CN102899577B (en) | 2011-07-25 | 2012-05-18 | Stainless steel alloy resistive material |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110208004.5 | 2011-07-25 | ||
| CN201110208004 | 2011-07-25 | ||
| CN201210154634.3A CN102899577B (en) | 2011-07-25 | 2012-05-18 | Stainless steel alloy resistive material |
Publications (2)
| Publication Number | Publication Date |
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| CN102899577A true CN102899577A (en) | 2013-01-30 |
| CN102899577B CN102899577B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210154634.3A Expired - Fee Related CN102899577B (en) | 2011-07-25 | 2012-05-18 | Stainless steel alloy resistive material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075459A (en) * | 2016-11-14 | 2018-05-25 | 国家电网公司 | Neutral point high resistant damping resistor |
| CN113800250A (en) * | 2021-09-22 | 2021-12-17 | 深圳市顺海科技有限公司 | Low-resistance high-power alloy resistor and intelligent production line thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834808A (en) * | 1987-09-08 | 1989-05-30 | Allegheny Ludlum Corporation | Producing a weldable, ferritic stainless steel strip |
| CN1271027A (en) * | 1999-04-19 | 2000-10-25 | 住友金属工业株式会社 | Stainless steel material for solid polymer fuel battery |
-
2012
- 2012-05-18 CN CN201210154634.3A patent/CN102899577B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834808A (en) * | 1987-09-08 | 1989-05-30 | Allegheny Ludlum Corporation | Producing a weldable, ferritic stainless steel strip |
| CN1271027A (en) * | 1999-04-19 | 2000-10-25 | 住友金属工业株式会社 | Stainless steel material for solid polymer fuel battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108075459A (en) * | 2016-11-14 | 2018-05-25 | 国家电网公司 | Neutral point high resistant damping resistor |
| CN108075459B (en) * | 2016-11-14 | 2019-09-06 | 国家电网公司 | Neutral point high resistant damping resistor |
| CN113800250A (en) * | 2021-09-22 | 2021-12-17 | 深圳市顺海科技有限公司 | Low-resistance high-power alloy resistor and intelligent production line thereof |
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| Publication number | Publication date |
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| CN102899577B (en) | 2014-12-10 |
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Address after: High tech Zone Suzhou city Jiangsu province 215129 Yinzhu Road No. 8 Applicant after: SUZHOU LONG YUAN ELECTRICITY TECHNOLOGY Co.,Ltd. Address before: High tech Zone Suzhou city Jiangsu province 215129 Yinzhu Road No. 8 Applicant before: Suzhou Longyuan Electric Power Engineering Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: SUZHOU LONGYUAN POWER ENGINEERING CO., LTD. TO: SUZHOU LONGYUAN ELECTRICITY TECHNOLOGY CO., LTD. |
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Granted publication date: 20141210 |