JP6856119B2 - Ｈ形鋼およびその製造方法 - Google Patents
Ｈ形鋼およびその製造方法 Download PDFInfo
- Publication number
- JP6856119B2 JP6856119B2 JP2019515548A JP2019515548A JP6856119B2 JP 6856119 B2 JP6856119 B2 JP 6856119B2 JP 2019515548 A JP2019515548 A JP 2019515548A JP 2019515548 A JP2019515548 A JP 2019515548A JP 6856119 B2 JP6856119 B2 JP 6856119B2
- Authority
- JP
- Japan
- Prior art keywords
- less
- toughness
- rolling
- ceq
- ferrite
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 34
- 239000010959 steel Substances 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 17
- 238000005096 rolling process Methods 0.000 claims description 34
- 229910000859 α-Fe Inorganic materials 0.000 claims description 17
- 229910000734 martensite Inorganic materials 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 11
- 229910001563 bainite Inorganic materials 0.000 claims description 10
- 230000001186 cumulative effect Effects 0.000 claims description 9
- 229910001562 pearlite Inorganic materials 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 13
- 229910001566 austenite Inorganic materials 0.000 description 11
- 230000000694 effects Effects 0.000 description 11
- 238000005098 hot rolling Methods 0.000 description 11
- 239000010953 base metal Substances 0.000 description 9
- 230000007423 decrease Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910052758 niobium Inorganic materials 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000010191 image analysis Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- -1 Nb and Ti Chemical class 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- RMLPZKRPSQVRAB-UHFFFAOYSA-N tris(3-methylphenyl) phosphate Chemical compound CC1=CC=CC(OP(=O)(OC=2C=C(C)C=CC=2)OC=2C=C(C)C=CC=2)=C1 RMLPZKRPSQVRAB-UHFFFAOYSA-N 0.000 description 1
- 229910052720 vanadium Inorganic materials 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
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- 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
-
- 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
-
- 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
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- 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
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/38—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
-
- 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
- C21D2211/002—Bainite
-
- 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
- C21D2211/008—Martensite
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017210217 | 2017-10-31 | ||
| JP2017210217 | 2017-10-31 | ||
| PCT/JP2018/040599 WO2019088206A1 (ja) | 2017-10-31 | 2018-10-31 | Ｈ形鋼およびその製造方法 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020118981A Division JP7010339B2 (ja) | 2017-10-31 | 2020-07-10 | Ｈ形鋼およびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2019088206A1 JPWO2019088206A1 (ja) | 2019-11-21 |
| JP6856119B2 true JP6856119B2 (ja) | 2021-04-07 |
Family
ID=66332678
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019515548A Active JP6856119B2 (ja) | 2017-10-31 | 2018-10-31 | Ｈ形鋼およびその製造方法 |
| JP2020118981A Active JP7010339B2 (ja) | 2017-10-31 | 2020-07-10 | Ｈ形鋼およびその製造方法 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020118981A Active JP7010339B2 (ja) | 2017-10-31 | 2020-07-10 | Ｈ形鋼およびその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JP6856119B2 (ko) |
| KR (2) | KR102419241B1 (ko) |
| CN (1) | CN111356779A (ko) |
| SG (1) | SG11202003218UA (ko) |
| WO (1) | WO2019088206A1 (ko) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022074057A (ja) * | 2020-10-29 | 2022-05-17 | Ｊｆｅスチール株式会社 | 突起付きｈ形鋼およびその製造方法 |
| CN112410665B (zh) * | 2020-11-10 | 2021-10-29 | 马鞍山钢铁股份有限公司 | 一种抑制晶粒长大的厚重热轧h型钢及其生产方法 |
| CN115821154B (zh) * | 2022-09-07 | 2023-12-01 | 马鞍山钢铁股份有限公司 | 一种具有良好z向性能的超厚热轧h型钢及其生产方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11158543A (ja) * | 1997-12-01 | 1999-06-15 | Sumitomo Metal Ind Ltd | 溶接部靱性に優れた圧延形鋼の製造方法 |
| JP4464486B2 (ja) * | 1999-06-22 | 2010-05-19 | 新日本製鐵株式会社 | 高強度高靱性圧延形鋼とその製造方法 |
| CN1194113C (zh) * | 2003-04-30 | 2005-03-23 | 清华大学 | 锰－硅－硌系空冷粒状贝氏体与铁素体复相钢 |
| JP2006180584A (ja) | 2004-12-21 | 2006-07-06 | Japan Servo Co Ltd | 回転駆動機構 |
| CN102666884B (zh) * | 2010-02-08 | 2013-07-31 | 新日铁住金株式会社 | 厚钢板的制造方法 |
| WO2013089156A1 (ja) | 2011-12-15 | 2013-06-20 | 新日鐵住金株式会社 | 低温靭性に優れた高強度ｈ形鋼及びその製造方法 |
| KR20140056765A (ko) * | 2012-10-31 | 2014-05-12 | 현대제철 주식회사 | 형강 및 그 제조 방법 |
| JP6146358B2 (ja) * | 2014-03-28 | 2017-06-14 | Ｊｆｅスチール株式会社 | 高強度熱延鋼板およびその製造方法 |
| JP6354572B2 (ja) | 2014-10-27 | 2018-07-11 | 新日鐵住金株式会社 | 低温用ｈ形鋼及びその製造方法 |
| JP6763141B2 (ja) * | 2015-02-10 | 2020-09-30 | 日本製鉄株式会社 | Ｌｐｇタンク用鋼板の製造方法 |
| JP6421638B2 (ja) * | 2015-02-23 | 2018-11-14 | 新日鐵住金株式会社 | 低温用ｈ形鋼及びその製造方法 |
| EP3425080B1 (en) * | 2016-03-02 | 2021-05-26 | Nippon Steel Corporation | Steel h-shape for low temperature service and manufacturing method therefor |
| JP6610520B2 (ja) * | 2016-11-30 | 2019-11-27 | Ｊｆｅスチール株式会社 | 鋼矢板およびその製造方法 |
| CN107012392B (zh) * | 2017-05-15 | 2019-03-12 | 河钢股份有限公司邯郸分公司 | 一种600MPa级高强度低合金冷轧带钢及其生产方法 |
| CN107227430A (zh) * | 2017-06-24 | 2017-10-03 | 马鞍山钢铁股份有限公司 | 一种具有‑60℃良好低温韧性的热轧h型钢及其生产方法 |
-
2018
- 2018-10-31 WO PCT/JP2018/040599 patent/WO2019088206A1/ja active Application Filing
- 2018-10-31 KR KR1020227014533A patent/KR102419241B1/ko active IP Right Grant
- 2018-10-31 CN CN201880070422.2A patent/CN111356779A/zh active Pending
- 2018-10-31 JP JP2019515548A patent/JP6856119B2/ja active Active
- 2018-10-31 SG SG11202003218UA patent/SG11202003218UA/en unknown
- 2018-10-31 KR KR1020207012264A patent/KR102419239B1/ko active IP Right Grant
-
2020
- 2020-07-10 JP JP2020118981A patent/JP7010339B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2019088206A1 (ja) | 2019-11-21 |
| CN111356779A (zh) | 2020-06-30 |
| JP7010339B2 (ja) | 2022-02-10 |
| SG11202003218UA (en) | 2020-05-28 |
| KR20220060560A (ko) | 2022-05-11 |
| JP2020172707A (ja) | 2020-10-22 |
| WO2019088206A1 (ja) | 2019-05-09 |
| KR20200058524A (ko) | 2020-05-27 |
| KR102419241B1 (ko) | 2022-07-11 |
| KR102419239B1 (ko) | 2022-07-08 |
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