CN111850395A - N强化高强抗震钢筋及其生产方法 - Google Patents
N强化高强抗震钢筋及其生产方法 Download PDFInfo
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- CN111850395A CN111850395A CN202010619702.3A CN202010619702A CN111850395A CN 111850395 A CN111850395 A CN 111850395A CN 202010619702 A CN202010619702 A CN 202010619702A CN 111850395 A CN111850395 A CN 111850395A
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- steel bar
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- less
- cooling
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- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 135
- 239000010959 steel Substances 0.000 claims abstract description 135
- 238000000034 method Methods 0.000 claims abstract description 126
- 238000001816 cooling Methods 0.000 claims abstract description 99
- 238000009749 continuous casting Methods 0.000 claims abstract description 85
- 238000005096 rolling process Methods 0.000 claims abstract description 61
- 238000010438 heat treatment Methods 0.000 claims abstract description 60
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 53
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 49
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 46
- 238000003723 Smelting Methods 0.000 claims abstract description 44
- 238000007670 refining Methods 0.000 claims abstract description 34
- 239000000126 substance Substances 0.000 claims abstract description 31
- 239000012535 impurity Substances 0.000 claims abstract description 24
- 230000002787 reinforcement Effects 0.000 claims abstract description 6
- 150000004767 nitrides Chemical class 0.000 claims description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 30
- 229910000519 Ferrosilicon Inorganic materials 0.000 claims description 25
- 229910000859 α-Fe Inorganic materials 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 9
- 229910001562 pearlite Inorganic materials 0.000 claims description 9
- 230000035939 shock Effects 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 description 44
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 26
- 230000000694 effects Effects 0.000 description 22
- 238000001556 precipitation Methods 0.000 description 17
- 239000006104 solid solution Substances 0.000 description 15
- 229910045601 alloy Inorganic materials 0.000 description 14
- 239000000956 alloy Substances 0.000 description 14
- 229910052799 carbon Inorganic materials 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 14
- 229910052786 argon Inorganic materials 0.000 description 13
- 238000007664 blowing Methods 0.000 description 13
- 229910052698 phosphorus Inorganic materials 0.000 description 12
- 230000001965 increasing effect Effects 0.000 description 10
- 238000005336 cracking Methods 0.000 description 6
- 239000013078 crystal Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910001257 Nb alloy Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 238000005098 hot rolling Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
- C21D8/08—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires for concrete reinforcement
-
- 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
- C22C33/06—Making ferrous alloys by melting using master alloys
-
- 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
-
- 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
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/004—Dispersions; Precipitations
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
-
- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010619702.3A CN111850395B (zh) | 2020-06-30 | 2020-06-30 | N强化高强抗震钢筋及其生产方法 |
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CN202010619702.3A CN111850395B (zh) | 2020-06-30 | 2020-06-30 | N强化高强抗震钢筋及其生产方法 |
Publications (2)
Publication Number | Publication Date |
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CN111850395A true CN111850395A (zh) | 2020-10-30 |
CN111850395B CN111850395B (zh) | 2021-10-22 |
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CN202010619702.3A Active CN111850395B (zh) | 2020-06-30 | 2020-06-30 | N强化高强抗震钢筋及其生产方法 |
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Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09125143A (ja) * | 1995-09-01 | 1997-05-13 | Sumitomo Metal Ind Ltd | 高強度低降伏比鉄筋用鋼材の製造方法 |
JP2002080932A (ja) * | 2000-03-01 | 2002-03-22 | Kawasaki Steel Corp | 成形後強度上昇熱処理能に優れた冷延鋼板、めっき鋼板およびそれらの製造方法 |
CN102383033A (zh) * | 2011-11-08 | 2012-03-21 | 河北钢铁股份有限公司承德分公司 | 一种600MPa级含钒高强热轧钢筋及其生产方法 |
CN108342641A (zh) * | 2018-01-11 | 2018-07-31 | 河钢股份有限公司承德分公司 | 一种630MPa级热轧高强抗震钢筋及其生产方法 |
CN109252106A (zh) * | 2018-11-23 | 2019-01-22 | 攀钢集团攀枝花钢铁研究院有限公司 | 500MPa级含V、Nb微合金高强屈比抗震钢筋棒材及其生产方法 |
CN109402517A (zh) * | 2018-12-28 | 2019-03-01 | 首钢集团有限公司 | 一种免退火冷锻齿轮钢及其制备方法 |
CN110396643A (zh) * | 2019-08-28 | 2019-11-01 | 河钢股份有限公司承德分公司 | 一种低成本热轧700MPa级热轧高强抗震钢筋及其制备方法 |
CN110565016A (zh) * | 2019-09-20 | 2019-12-13 | 江苏联峰实业有限公司 | 一种630MPa高强度抗震指标钢筋及其生产方法 |
CN111334719A (zh) * | 2020-04-13 | 2020-06-26 | 江苏永钢集团有限公司 | 一种高N复合强化500MPa级和600MPa级钢筋及冶炼方法和生产方法 |
-
2020
- 2020-06-30 CN CN202010619702.3A patent/CN111850395B/zh active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09125143A (ja) * | 1995-09-01 | 1997-05-13 | Sumitomo Metal Ind Ltd | 高強度低降伏比鉄筋用鋼材の製造方法 |
JP2002080932A (ja) * | 2000-03-01 | 2002-03-22 | Kawasaki Steel Corp | 成形後強度上昇熱処理能に優れた冷延鋼板、めっき鋼板およびそれらの製造方法 |
CN102383033A (zh) * | 2011-11-08 | 2012-03-21 | 河北钢铁股份有限公司承德分公司 | 一种600MPa级含钒高强热轧钢筋及其生产方法 |
CN108342641A (zh) * | 2018-01-11 | 2018-07-31 | 河钢股份有限公司承德分公司 | 一种630MPa级热轧高强抗震钢筋及其生产方法 |
CN109252106A (zh) * | 2018-11-23 | 2019-01-22 | 攀钢集团攀枝花钢铁研究院有限公司 | 500MPa级含V、Nb微合金高强屈比抗震钢筋棒材及其生产方法 |
CN109402517A (zh) * | 2018-12-28 | 2019-03-01 | 首钢集团有限公司 | 一种免退火冷锻齿轮钢及其制备方法 |
CN110396643A (zh) * | 2019-08-28 | 2019-11-01 | 河钢股份有限公司承德分公司 | 一种低成本热轧700MPa级热轧高强抗震钢筋及其制备方法 |
CN110565016A (zh) * | 2019-09-20 | 2019-12-13 | 江苏联峰实业有限公司 | 一种630MPa高强度抗震指标钢筋及其生产方法 |
CN111334719A (zh) * | 2020-04-13 | 2020-06-26 | 江苏永钢集团有限公司 | 一种高N复合强化500MPa级和600MPa级钢筋及冶炼方法和生产方法 |
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CN111850395B (zh) | 2021-10-22 |
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Address after: 215624 Shagang science and technology building, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: INSTITUTE OF RESEARCH OF IRON & STEEL, JIANGSU PROVINCE/SHA-STEEL, Co.,Ltd. Country or region after: China Patentee after: Jiangsu Shagang Steel Co.,Ltd. Patentee after: JIANGSU SHAGANG GROUP Co.,Ltd. Address before: 215624 Shagang science and technology building, Yongxin Road, Jinfeng Town, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee before: INSTITUTE OF RESEARCH OF IRON & STEEL, JIANGSU PROVINCE/SHA-STEEL, Co.,Ltd. Country or region before: China Patentee before: ZHANGJIAGANG HONGCHANG STEEL PLATE Co.,Ltd. Patentee before: JIANGSU SHAGANG GROUP Co.,Ltd. |