[go: up one dir, main page]

CN104846292A - Nickel-chromium containing corrosion-resistant steel - Google Patents

Nickel-chromium containing corrosion-resistant steel Download PDF

Info

Publication number
CN104846292A
CN104846292A CN201510286467.1A CN201510286467A CN104846292A CN 104846292 A CN104846292 A CN 104846292A CN 201510286467 A CN201510286467 A CN 201510286467A CN 104846292 A CN104846292 A CN 104846292A
Authority
CN
China
Prior art keywords
steel
corrosion
nickel
resistant steel
iron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510286467.1A
Other languages
Chinese (zh)
Inventor
柯雪利
王长城
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GANGXI SHENGLONG METALLURGICAL CO Ltd
Original Assignee
GANGXI SHENGLONG METALLURGICAL CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GANGXI SHENGLONG METALLURGICAL CO Ltd filed Critical GANGXI SHENGLONG METALLURGICAL CO Ltd
Priority to CN201510286467.1A priority Critical patent/CN104846292A/en
Publication of CN104846292A publication Critical patent/CN104846292A/en
Pending legal-status Critical Current

Links

Landscapes

  • Manufacture And Refinement Of Metals (AREA)

Abstract

The invention relates to a nickel-chromium containing corrosion-resistant steel which comprises the following components in percentage by weight: 0.03%-0.06% of C, 0.03%-0.15% of Si, 0.80%-1.60% of Mn, 0.03%-0.08% of Ni, 0.03%-0.06% of Cr, 0.02%-0.40% of P, 0.03% of S, less than or equal to 0.02% of Mo, less than or equal to 0.15% of RE and the balance of Fe and inevitable trace impurities. The corrosion-resistant steel disclosed by the invention can be used for manufacturing a high line, a twisted steel, a plate and the like, effectively utilizing a large amount of iron contained in a laterite-nickel ore by being prepared by substituting a low-cost laterite-nickel ore resource for a part of iron ore resources and refining a crystalline grain of a steel product by substituting for a part of conventional manganese elements through the addition of components, namely nickel, chromium, titanium and the like which are contained in the laterite-nickel ore, thereby improving the strength, ductility and corrosion resistance of the steel product.

Description

A kind of Ni and Cr contained corrosion-resistant steel
Technical field
The present invention relates to steel alloy field of smelting, be specifically related to a kind of corrosion-resistant steel containing nickel chromium triangle.
Background technology
Carbon steel and low alloy steel has excellent mechanical property and cheap price, become conventional structured material, but these steel easily produce metallic corrosion in atmospheric environment, with metallic substance and equipment, the whole world because corroding the steel and iron member scrapped and equipment is about equivalent to 20% ~ 30% of steel annual production, directly or indirectly causes huge financial loss every year.
Because Corrosion Of Steel brings massive losses, cause the extensive attention of all circles, carry out the anticorrosive research of steel one after another.At present, in order to improve and improve the rotproofness of carbon steel and low alloy steel, different alloying elements is added in general employing in steel, studies have found that, the elements such as the phosphorus in steel, copper, chromium are to the weathering resistance Be very effective improving steel, and the elements such as nickel, molybdenum, aluminium, vanadium, antimony also have certain auxiliaring effect, although the introducing of phosphorus, copper can improve the atmospheric corrosion resistance ability of steel, but bring some drawbacks, degradation under the hot rolling be full of cracks that the low temperature brittleness brought as high phosphorus, high-copper bring and bending cracks and the plasticity caused and toughness simultaneously.
Summary of the invention
The object of the present invention is to provide the corrosion-resistant steel containing nickel chromium triangle that a kind of fine corrosion resistance, intensity are higher.
The technical scheme that a kind of corrosion-resistant steel containing nickel chromium triangle of the present invention adopts is:
A kind of Ni and Cr contained corrosion-resistant steel, consists of the following composition: C:0.03-0.06% by weight; Si:0.03-0.15%; Mn:0.80-1.60%; Ni:0.03-0.08%; Cr:0.03-0.06%; P:0.02-0.40%; S:0.03%; Mo≤0.02%; RE :≤0.15%; Surplus is Fe and inevitable trace impurity.
Further, be grouped into by the one-tenth of following optimal proportion by weight: C:0.05%; Si:0.08%; Mn:1.10%; Ni:0.04%; Cr:0.03%; P:0.02%; S:0.03%; Mo:0.01%; RE:0.10%; Surplus is Fe and inevitable trace impurity.
Further, more necessary micro-Ca as Ti, 0.05-0.15% of 0.01-0.2% in existing low alloy steel are comprised in inevitable trace impurity.
Present invention utilizes cheap red soil nickel ore substitution of resources part iron ore resource in order to prepare Ni and Cr contained corrosion-resistant steel, iron a large amount of in red soil nickel ore is not only made to obtain effective utilization, and the interpolation of the composition such as nickel, chromium, titanium in red soil nickel ore, replace conventional a part of manganese element to carry out the crystal grain of refinement steel, improve the intensity of steel, extensibility and erosion resistance.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of Ni and Cr contained corrosion-resistant steel, consists of the following composition: C:0.03% by weight; Si:0.03%; Mn:0.80%; Ni:0.03%; Cr:0.04%; P:0.02%; S:0.03%; Mo:0.01%; RE:0.05%; Surplus is Fe and inevitable trace impurity.
Production process is as follows:
(1) select nickeliferous 1.0%, iron: 40%, chromic oxide: the red soil nickel ore of 1%, add-on is that red soil nickel ore dewaters by the sodium carbonate of red soil nickel ore weight 5%;
(2) red soil nickel ore after dehydration and the iron ore of iron content 61% are joined and are joined, and sinter, obtain agglomerate according to part by weight 1.5:8.5;
(3) described agglomerate is obtained molten iron that is nickeliferous 0.10%, chromium 0.3% through blast-furnace smelting;
(4) carry out refining by electric furnace after described molten iron being added the trace element such as manganese, silicon, niobium, vanadium required for other, obtain molten steel;
(5) described molten steel is entered continuous casting, cast to obtain low alloy steel steel billet, the low alloy steel steel billet of gained is rolled and obtains Ni and Cr contained corrosion-resistant steel, specification ∮ 16 mm.
Embodiment 2
A kind of Ni and Cr contained corrosion-resistant steel, consists of the following composition: C:0.06% by weight; Si:0.15%; Mn:1.60%; Ni:0.08%; Cr:0.06%; P:0.40%; S:0.03%; Mo:0.02%; RE:0.15%; Surplus is Fe and inevitable trace impurity.
Production process is as follows:
(1) select nickeliferous 1.5%, iron: 60%, chromic oxide: the red soil nickel ore of 2%, add-on is that red soil nickel ore dewaters by the unslaked lime of red soil nickel ore weight 15%;
(2) red soil nickel ore after dehydration and the iron ore of iron content 56% are joined and are joined, and sinter, obtain agglomerate according to part by weight 3:7;
(3) described agglomerate is obtained molten iron that is nickeliferous 0.30%, chromium 0.45% through blast-furnace smelting;
(4) carry out refining by electric furnace after described molten iron being added the trace element such as manganese, silicon, niobium, vanadium required for other, obtain molten steel;
(5) described molten steel is entered continuous casting, cast to obtain low alloy steel steel billet, the low alloy steel steel billet of gained is rolled and obtains Ni and Cr contained corrosion-resistant steel, specification ∮ 22 mm.
Embodiment 3 is optimum embodiment of the present invention
A kind of Ni and Cr contained corrosion-resistant steel, consists of the following composition: C:0.05% by weight; Si:0.08%; Mn:1.10%; Ni:0.04%; Cr:0.03%; P:0.02%; S:0.03%; Mo:0.01%; RE:0.10%; Surplus is Fe and inevitable trace impurity.
Production process is as follows:
(1) select nickeliferous 1.0%, iron: 45%, chromic oxide: the red soil nickel ore of 1.5%, add-on is that red soil nickel ore dewaters by the zeolite powder of red soil nickel ore weight 10%;
(2) red soil nickel ore after dehydration and the iron ore of iron content 61% are joined and are joined, and sinter, obtain agglomerate according to part by weight 6:4;
(3) described agglomerate is obtained molten iron that is nickeliferous 0.20%, chromium 0.45% through blast-furnace smelting;
(4) carry out refining by electric furnace after described molten iron being added the trace element such as manganese, silicon, niobium, vanadium required for other, obtain molten steel;
(5) described molten steel is entered continuous casting, cast to obtain low alloy steel steel billet, the low alloy steel steel billet of gained is rolled and obtains Ni and Cr contained corrosion-resistant steel, specification ∮ 20 mm.
Present invention utilizes the Ni and Cr contained corrosion-resistant steel that cheap red soil nickel ore substitution of resources part iron ore resource prepares, due to the interpolation of the compositions such as the nickel in red soil nickel ore, chromium, titanium, conventional a part of manganese element is replaced to carry out the crystal grain of refinement steel, improve the intensity of steel, extensibility and erosion resistance, although describe embodiments of the present invention above, those skilled in the art can make various distortion or amendment within the scope of the appended claims.

Claims (3)

1. a Ni and Cr contained corrosion-resistant steel, is characterized in that, consists of the following composition by weight: C:0.03-0.06%; Si:0.03-0.15%; Mn:0.80-1.60%; Ni:0.03-0.08%; Cr:0.03-0.06%; P:0.02-0.40%; S:0.03%; Mo≤0.02%; RE :≤0.15%; Surplus is Fe and inevitable trace impurity.
2. a kind of Ni and Cr contained corrosion-resistant steel according to claim 1, is characterized in that, be grouped into by weight: C:0.05% by the one-tenth of following optimal proportion; Si:0.08%; Mn:1.10%; Ni:0.04%; Cr:0.03%; P:0.02%; S:0.03%; Mo:0.01%; RE:0.10%; Surplus is Fe and inevitable trace impurity.
3. a kind of Ni and Cr contained corrosion-resistant steel described in any one of claim 1-2, is characterized in that, comprises more necessary micro-Ca as Ti, 0.05-0.15% of 0.01-0.2% in existing low alloy steel in described inevitable trace impurity.
CN201510286467.1A 2015-05-30 2015-05-30 Nickel-chromium containing corrosion-resistant steel Pending CN104846292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510286467.1A CN104846292A (en) 2015-05-30 2015-05-30 Nickel-chromium containing corrosion-resistant steel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510286467.1A CN104846292A (en) 2015-05-30 2015-05-30 Nickel-chromium containing corrosion-resistant steel

Publications (1)

Publication Number Publication Date
CN104846292A true CN104846292A (en) 2015-08-19

Family

ID=53846270

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510286467.1A Pending CN104846292A (en) 2015-05-30 2015-05-30 Nickel-chromium containing corrosion-resistant steel

Country Status (1)

Country Link
CN (1) CN104846292A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109468543A (en) * 2017-09-08 2019-03-15 湖南铂固标准件制造有限公司 It is a kind of for producing the cold-forging steel and its manufacturing method of self tapping self-drilling screw

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101691643A (en) * 2009-10-15 2010-04-07 武汉钢铁(集团)公司 Refractory anti-seismic construction steel for high-toughness welding structures, and production method thereof
CN101906569A (en) * 2010-08-30 2010-12-08 南京钢铁股份有限公司 Anti-large-deformation pipe line steel prepared by thermal treatment method and preparation method thereof
CN103328673A (en) * 2011-09-27 2013-09-25 新日铁住金株式会社 Hot coil for line pipe and manufacturing method therefor
JP2013224460A (en) * 2012-04-20 2013-10-31 Nippon Steel & Sumitomo Metal Corp Fire-resistant steel material and method for producing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101691643A (en) * 2009-10-15 2010-04-07 武汉钢铁(集团)公司 Refractory anti-seismic construction steel for high-toughness welding structures, and production method thereof
CN101906569A (en) * 2010-08-30 2010-12-08 南京钢铁股份有限公司 Anti-large-deformation pipe line steel prepared by thermal treatment method and preparation method thereof
CN103328673A (en) * 2011-09-27 2013-09-25 新日铁住金株式会社 Hot coil for line pipe and manufacturing method therefor
JP2013224460A (en) * 2012-04-20 2013-10-31 Nippon Steel & Sumitomo Metal Corp Fire-resistant steel material and method for producing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109468543A (en) * 2017-09-08 2019-03-15 湖南铂固标准件制造有限公司 It is a kind of for producing the cold-forging steel and its manufacturing method of self tapping self-drilling screw

Similar Documents

Publication Publication Date Title
CN103317256A (en) Austenitic stainless steel submerged-arc welding wire with excellent high-temperature strength
CN102936696A (en) High hardness and high abrasion-resistance ferroalloy material and preparation method thereof
CN100457951C (en) High-nitrogen nickel-free bidirectional stainless steel alloy material and manufacture method thereof
CN104372203A (en) Novel alpha titanium alloy and preparation method of panel and bar of alpha titanium alloy
CN102605295B (en) Grounding net corrosion-resisting alloy material capable of resisting acid soil corrosion
CN104878316A (en) High-strength high-toughness high-nitrogen austenitic stainless steel
CN101693983A (en) Resource saving type austenite stainless steel with low chrome content, low nickel content and high Mn-N content and preparation method thereof
CN103173687A (en) Nickel-free economic double-phase stainless steel and its making method
CN102899586A (en) Iron alloy material and preparation method
CN102732809A (en) High-strength wear-resisting alloy and preparation method thereof
CN102162062A (en) Tin-containing high-nitrogen martensitic stainless steel alloy material and manufacturing method thereof
CN101693984A (en) Resource saving type austenite stainless steel with high chrome content, low nickel content and high Mn-N content and preparation method thereof
CN104674035A (en) Preparation method of chromium-aluminum alloy
CN104846292A (en) Nickel-chromium containing corrosion-resistant steel
CN103667931A (en) Anti-oxidation ferrite stainless steel containing aluminum and rare earth
CN103014525A (en) High-silicon double-phase stainless steel and preparation method thereof
CN101760705A (en) High corrosion-resistant austenitic stainless steel
CN102206792B (en) Novel low alloy material sink roll
CN102899585A (en) High-hardness and high-abrasion-resistance iron alloy material
CN103361575A (en) Continuously cast bloom for low-carbon steel wire and preparation method thereof
CN103409704A (en) Low-chrome high-aluminum double-phase stainless steel
CN103757559B (en) There is the economical diphase stainless steel of phase transformation plasticization effect
CN102994903A (en) Duplex stainless steel with paradoxical phase proportion change and preparation method thereof
TWI454583B (en) Zinc-modified ferritic stainless steels and manufacturing method thereof
CN105728567A (en) High-strength stamping die

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150819