CN105483530A - Hot-rolled wide steel plate material for petroleum and natural gas conveying pipe - Google Patents
Hot-rolled wide steel plate material for petroleum and natural gas conveying pipe Download PDFInfo
- Publication number
- CN105483530A CN105483530A CN201510858317.3A CN201510858317A CN105483530A CN 105483530 A CN105483530 A CN 105483530A CN 201510858317 A CN201510858317 A CN 201510858317A CN 105483530 A CN105483530 A CN 105483530A
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- steel plate
- wide steel
- hot rolling
- petroleum gas
- plate materials
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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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
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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
- C22C38/001—Ferrous alloys, e.g. steel alloys containing N
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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
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
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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
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
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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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
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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
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Abstract
The invention discloses a hot-rolled wide steel plate material for a petroleum and natural gas conveying pipe. The material consists of the following components in percentage by weight: 0.28-0.31 of C, 0.3-0.4 of Si, 1.0-1.2% of Mn, 0.01-0.025 of Nb, 0.04-0.08% of Al, 0.08-0.12 of Mo, Cu not more than 0.08, Ni not more than 0.2, S not more than 0.002, N not more than 0.004, B not more than 0.034, and the balance of Fe and inevitable impurities; mixed molten steel is put in a blast furnace for smelting, and is cast to form a slab; the slab is heated, and is primarily rolled to form a plate strip; and the plate strip formed through primary rolling is conveyed for final rolling, and is finally coiled to form a steel coil by laminar cooling. The material adopts such multiple multi-element alloy components as niobium and molybdenum, and is excellent in corrosion resistance; and the special steel is suitable for manufacturing of the natural gas pipe.
Description
Technical field
The present invention relates to a kind of metallic substance and manufacture field, the particularly wide steel plate materials of a kind of petroleum gas delivering pipe hot rolling.
Background technology
At present, energy industry is the basic industry of national economy and social development, along with the development of Chinese national economy, the improving constantly of living standards of the people, especially increasing to the demand of Sweet natural gas to efficient, clean energy demand.And existing for petroleum gas delivering pipe steel plate materials, its stress is comparatively concentrated, wedge angle is outstanding, hardness is high, easily causes bead shape bad, often occurs leak source, be unsuitable for long distance delivery.
Summary of the invention
The technical problem to be solved in the present invention is for the deficiencies in the prior art, proposes one and is convenient to welding, can adapt to the wide steel plate materials of petroleum gas delivering pipe hot rolling of long distance delivery.
The technical problem to be solved in the present invention is achieved through the following technical solutions.The present invention is the wide steel plate materials of a kind of petroleum gas delivering pipe hot rolling, be characterized in, be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Cu≤0.08, Ni≤0.2, S≤0.002, N≤0.004, B≤0.034, surplus is Fe and inevitable impurity; Molten steel after batching is placed blast-furnace smelting, and casting makes slab, by heating of plate blank, Heating temperature is 1180-1260 DEG C, forms strip by breaking down, breaking down is formed strip and is delivered to finish to gauge, finishing temperature is 750-830 DEG C, coils into coil of strip finally by section cooling.
In the wide steel plate materials technical scheme of a kind of petroleum gas delivering pipe hot rolling of the present invention, preferred technical scheme feature is further:
1, be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Cu≤0.08, Ni≤0.2, surplus is Fe and inevitable impurity;
2, be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Ni≤0.2, surplus is Fe and inevitable impurity;
3, be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, surplus is Fe and inevitable impurity;
4, be grouped into by the one-tenth of following weight percent: C0.30, Si0.35, Mn1.1, Nb0.020, Al0.06, Mo0.10, Cu0.06, Ni0.15, surplus is Fe and inevitable impurity;
5, described slab heating temperature is 1210 DEG C; Described finishing temperature is 820 DEG C.
Compared with prior art, the present invention's multicomponent alloy composition such as adopt niobium, molybdenum etc. multiple, have good corrosion resistance, this special steel is applicable to the manufacture of natural gas line.Utilize blast-furnace smelting, casting makes slab, by heating of plate blank, form strip by breaking down, breaking down is formed strip and is delivered to finish to gauge, coil into coil of strip finally by section cooling, like this, make steel plate not only have high-strong toughness and low in the wrongization intensity, in addition there is high-wearing feature.
Embodiment
Further describe concrete technical scheme of the present invention, so that those skilled in the art understands the present invention further, and do not form the restriction of its power.
Embodiment 1, the wide steel plate materials of a kind of petroleum gas delivering pipe hot rolling, be grouped into by the one-tenth of following weight percent: be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Cu≤0.08, Ni≤0.2, S≤0.002, N≤0.004, B≤0.034, surplus is Fe and inevitable impurity; Molten steel after batching is placed blast-furnace smelting, and casting makes slab, by heating of plate blank, Heating temperature is 1180-1260 DEG C, forms strip by breaking down, breaking down is formed strip and is delivered to finish to gauge, finishing temperature is 750-830 DEG C, coils into coil of strip finally by section cooling.Described niobium Nb is used in alloy, and major part is used for special steel, as natural gas line.Although the maximum level of niobium is only 0.1% in alloy, this small amount of niobium improves the intensity of metal.The thermostability of niobium is very important for its superalloy on jet plane and rocket engine.Described molybdenum Mo is a kind of transition element, very easily changes its state of oxidation, plays a part to transmit electronics in redox reaction in vivo.Under the form of oxidation, molybdenum is likely and is in+6 valency states.Although first it be also probably reduced to+5 valency states during transfer transport.But also once found other states of oxidation of molybdenum in the enzyme after reduction.
Embodiment 2, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in embodiment 1: be grouped into by the one-tenth of following weight percent, C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Cu≤0.08, Ni≤0.2, surplus is Fe and inevitable impurity.
Embodiment 3, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in embodiment 1 or 2: be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Ni≤0.2, surplus is Fe and inevitable impurity.
Embodiment 4, in embodiment 1 or the wide steel plate materials of petroleum gas delivering pipe hot rolling described in 2 or 3: be grouped into by the one-tenth of following weight percent, C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, surplus is Fe and inevitable impurity.
Embodiment 5, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in any one of embodiment 1-4: be grouped into by the one-tenth of following weight percent: C0.30, Si0.35, Mn1.1, Nb0.020, Al0.06, Mo0.10, Cu0.06, Ni0.15, surplus is Fe and inevitable impurity.
Embodiment 6, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in any one of embodiment 1-5: be grouped into by the one-tenth of following weight percent: C0.28, Si0.3, Mn1.0, Nb0.01, Al0.04, Mo0.08, Cu0.06, Ni0.15, surplus is Fe and inevitable impurity.
Embodiment 7, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in any one of embodiment 1-6: C0.31, Si0.4, Mn1.2, Nb0.025, Al0.08, Mo0.12, Cu0.08, Ni0.2, surplus is Fe and inevitable impurity.
Embodiment 8, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in any one of embodiment 1-7: be grouped into by the one-tenth of following weight percent, C0.28, Si0.3, Mn1.0, Nb0.01, Al0.04, Mo0.08, surplus is Fe and inevitable impurity.
Embodiment 9, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in any one of embodiment 1-8: be grouped into by the one-tenth of following weight percent, C0.31, Si0.4, Mn1.2, Nb0.025, Al0.08, Mo0.12, surplus is Fe and inevitable impurity.
Embodiment 10, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in any one of embodiment 1-9: be grouped into by the one-tenth of following weight percent, C0.28, Si0.3, Mn1.0, Nb0.01, Al0.04, Mo0.08, surplus is Fe and inevitable impurity.
Embodiment 11, in the wide steel plate materials of petroleum gas delivering pipe hot rolling described in any one of embodiment 1-10: described slab heating temperature is 1210 DEG C; Described finishing temperature is 820 DEG C.
Claims (6)
1. the wide steel plate materials of petroleum gas delivering pipe hot rolling, it is characterized in that, be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Cu≤0.08, Ni≤0.2, S≤0.002, N≤0.004, B≤0.034, surplus is Fe and inevitable impurity;
Molten steel after batching is placed blast-furnace smelting, and casting makes slab, by heating of plate blank, Heating temperature is 1180-1260 DEG C, forms strip by breaking down, breaking down is formed strip and is delivered to finish to gauge, finishing temperature is 750-830 DEG C, coils into coil of strip finally by section cooling.
2. the wide steel plate materials of petroleum gas delivering pipe hot rolling according to claim 1, it is characterized in that, be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Cu≤0.08, Ni≤0.2, surplus is Fe and inevitable impurity.
3. the wide steel plate materials of petroleum gas delivering pipe hot rolling according to claim 1, it is characterized in that, be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, Ni≤0.2, surplus is Fe and inevitable impurity.
4. the wide steel plate materials of petroleum gas delivering pipe hot rolling according to claim 1, it is characterized in that, be grouped into by the one-tenth of following weight percent: C0.28-0.31, Si0.3-0.4, Mn1.0-1.2, Nb0.01-0.025, Al0.04-0.08, Mo0.08-0.12, surplus is Fe and inevitable impurity.
5. the wide steel plate materials of petroleum gas delivering pipe hot rolling according to claim 1, it is characterized in that: be grouped into by the one-tenth of following weight percent: C0.30, Si0.35, Mn1.1, Nb0.020, Al0.06, Mo0.10, Cu0.06, Ni0.15, surplus is Fe and inevitable impurity.
6. the wide steel plate materials of petroleum gas delivering pipe hot rolling according to claim 1, is characterized in that: described slab heating temperature is 1210 DEG C; Described finishing temperature is 820 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858317.3A CN105483530A (en) | 2015-11-30 | 2015-11-30 | Hot-rolled wide steel plate material for petroleum and natural gas conveying pipe |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510858317.3A CN105483530A (en) | 2015-11-30 | 2015-11-30 | Hot-rolled wide steel plate material for petroleum and natural gas conveying pipe |
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| CN105483530A true CN105483530A (en) | 2016-04-13 |
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| CN201510858317.3A Pending CN105483530A (en) | 2015-11-30 | 2015-11-30 | Hot-rolled wide steel plate material for petroleum and natural gas conveying pipe |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030196735A1 (en) * | 2000-09-21 | 2003-10-23 | Natsuko Sugiura | Steel plate excellent in shape freezing property and method for production thereof |
| CN101798654A (en) * | 2010-04-09 | 2010-08-11 | 中国石油天然气集团公司 | Steel used for straight seam electric resistance welding petroleum casing and casing manufacturing method |
| WO2010106748A1 (en) * | 2009-03-16 | 2010-09-23 | 新日本製鐵株式会社 | Boron-containing steel sheet with excellent hardenability and method of manufacturing same |
| EP2314729A1 (en) * | 1997-03-17 | 2011-04-27 | Nippon Steel Corporation | Dual-phase type high-strength steel sheets having high impact energy absorption properties and a method of producing the same |
| CN103703156A (en) * | 2011-07-29 | 2014-04-02 | 新日铁住金株式会社 | High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each |
| CN104011242A (en) * | 2011-12-26 | 2014-08-27 | 杰富意钢铁株式会社 | High-strength steel sheet and method for manufacturing same |
-
2015
- 2015-11-30 CN CN201510858317.3A patent/CN105483530A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2314729A1 (en) * | 1997-03-17 | 2011-04-27 | Nippon Steel Corporation | Dual-phase type high-strength steel sheets having high impact energy absorption properties and a method of producing the same |
| US20030196735A1 (en) * | 2000-09-21 | 2003-10-23 | Natsuko Sugiura | Steel plate excellent in shape freezing property and method for production thereof |
| WO2010106748A1 (en) * | 2009-03-16 | 2010-09-23 | 新日本製鐵株式会社 | Boron-containing steel sheet with excellent hardenability and method of manufacturing same |
| CN101798654A (en) * | 2010-04-09 | 2010-08-11 | 中国石油天然气集团公司 | Steel used for straight seam electric resistance welding petroleum casing and casing manufacturing method |
| CN103703156A (en) * | 2011-07-29 | 2014-04-02 | 新日铁住金株式会社 | High-strength zinc-plated steel sheet and high-strength steel sheet having superior moldability, and method for producing each |
| CN104011242A (en) * | 2011-12-26 | 2014-08-27 | 杰富意钢铁株式会社 | High-strength steel sheet and method for manufacturing same |
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Application publication date: 20160413 |