KR100915262B1 - 가공성이 우수한 고강도 강판 - Google Patents
가공성이 우수한 고강도 강판Info
- Publication number
- KR100915262B1 KR100915262B1 KR1020070017849A KR20070017849A KR100915262B1 KR 100915262 B1 KR100915262 B1 KR 100915262B1 KR 1020070017849 A KR1020070017849 A KR 1020070017849A KR 20070017849 A KR20070017849 A KR 20070017849A KR 100915262 B1 KR100915262 B1 KR 100915262B1
- Authority
- KR
- South Korea
- Prior art keywords
- steel sheet
- less
- high strength
- strength steel
- strength
- Prior art date
Links
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
- C22C38/18—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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
-
- 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
- C21D6/00—Heat treatment of ferrous alloys
- C21D6/008—Heat treatment of ferrous alloys containing Si
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0226—Hot rolling
-
- 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
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
- C21D8/0236—Cold rolling
-
- 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
- C22C38/04—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
- C22C38/06—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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- 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
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
-
- 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
- C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of 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
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
- Y10T428/12771—Transition metal-base component
- Y10T428/12785—Group IIB metal-base component
- Y10T428/12792—Zn-base component
- Y10T428/12799—Next to Fe-base component [e.g., galvanized]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Abstract
Description
Claims (8)
- 고강도 강판으로서,질량%로C: 0.03 내지 0.2%,Si: 0.5 내지 2.5%,Mn: 1 내지 3.0%,Cr: 0.01 내지 0.5%,Mo: 0.01 내지 0.5%, 및Al: 0.02 내지 0.15%를 함유하고,상기 강판의 금속 조직은 페라이트와 저온 변태 생성상의 혼합 조직으로 구성되어 있고, 페라이트 분율이 10% 이상 90% 이하이고, 저온 변태 생성상의 분율이 10% 이상 90% 이하이며, 상기 저온 변태 생성상에 차지하는 베이나이트 및 의사(擬似) 펄라이트의 합계 면적비(Sc)가 0.3 이하이고,상기 Si량이 하기 수학식 1을 만족하는 고강도 강판:수학식 1단, α=6.9×([C]+[Mn]/6+[Cr]/5+[Mo]/4)1/2이고, 식 중, [ ]는 강판에 포함되는 각 원소의 양(질량%)을 나타낸다.
- 제 1 항에 있어서,질량%로 Ti: 0.01 내지 0.15%, Nb: 0.01 내지 0.15% 및 V: 0.01 내지 0.15%로 이루어진 군으로부터 선택되는 적어도 1종을 추가로 함유하고, α=6.9×([C]+[Mn]/6+[Cr]/5+[Mo]/4+[Ti]/15+[Nb]/17+[V]/14)1/2인 고강도 강판.
- 제 1 항에 있어서,추가로 다른 원소로서 질량%로 B: 0.0005 내지 0.01%를 함유하는 고강도 강판.
- 제 1 항에 있어서,추가로 다른 원소로서 질량%로 Ca: 0.0005 내지 0.01%를 함유하는 고강도 강판.
- 제 1 항에 있어서,추가로 다른 원소로서 질량%로 Cu: 0.0005 내지 0.5% 및 Ni: 0.0005 내지 0.5% 중 적어도 한쪽을 함유하는 고강도 강판.
- 제 1 항에 있어서,상기 고강도 강판의 표면에 용융 아연 도금층이 형성되어 있는 고강도 강판.
- 제 1 항에 있어서,상기 고강도 강판의 표면에 합금화 용융 아연 도금층이 형성되어 있는 고강도 강판.
- 삭제
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006046633 | 2006-02-23 | ||
JPJP-P-2006-00046633 | 2006-02-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070087510A KR20070087510A (ko) | 2007-08-28 |
KR100915262B1 true KR100915262B1 (ko) | 2009-09-03 |
Family
ID=38068440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070017849A KR100915262B1 (ko) | 2006-02-23 | 2007-02-22 | 가공성이 우수한 고강도 강판 |
Country Status (4)
Country | Link |
---|---|
US (2) | US20070196685A1 (ko) |
EP (1) | EP1826287B1 (ko) |
KR (1) | KR100915262B1 (ko) |
CN (1) | CN100554479C (ko) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4445522B2 (ja) * | 2007-06-20 | 2010-04-07 | 豊田鉄工株式会社 | 車両用センターピラーの補強部材 |
JP5194841B2 (ja) * | 2008-01-31 | 2013-05-08 | Jfeスチール株式会社 | 成形性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法 |
JP5365217B2 (ja) * | 2008-01-31 | 2013-12-11 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
US8128762B2 (en) | 2008-08-12 | 2012-03-06 | Kobe Steel, Ltd. | High-strength steel sheet superior in formability |
JP5418047B2 (ja) * | 2008-09-10 | 2014-02-19 | Jfeスチール株式会社 | 高強度鋼板およびその製造方法 |
JP5883211B2 (ja) * | 2010-01-29 | 2016-03-09 | 株式会社神戸製鋼所 | 加工性に優れた高強度冷延鋼板およびその製造方法 |
JP5771034B2 (ja) | 2010-03-29 | 2015-08-26 | 株式会社神戸製鋼所 | 加工性に優れた超高強度鋼板、およびその製造方法 |
DE102010037077B4 (de) * | 2010-08-19 | 2014-03-13 | Voestalpine Stahl Gmbh | Verfahren zum Konditionieren der Oberfläche gehärteter korrosionsgeschützter Bauteile aus Stahlblech |
CN111334716B (zh) * | 2020-03-25 | 2021-04-13 | 江西理工大学 | 一种含铬钛硼的低碳高强深冲钢及其制备方法和应用 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010020169A (ko) * | 1998-03-12 | 2001-03-15 | 구마모토 마사히로 | 성형성이 우수한 고강도 열연강판 |
KR20010060647A (ko) * | 1999-12-27 | 2001-07-07 | 이구택 | 가공성이 우수한 인장강도 780㎫급 자동차용 열연강판 및그 제조방법 |
KR20030081050A (ko) * | 2002-04-09 | 2003-10-17 | 신닛뽄세이테쯔 카부시키카이샤 | 변형 성능이 우수한 고강도 강판, 고강도 강관 및 제조 방법 |
KR20050103935A (ko) * | 2003-04-21 | 2005-11-01 | 제이에프이 스틸 가부시키가이샤 | 고강도 열연강판 및 그 제조방법 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55122821A (en) | 1979-03-15 | 1980-09-20 | Kawasaki Steel Corp | Manufacture of alloyed zinc-plated high tensile steel sheet with high workability |
JPS57137453A (en) * | 1981-02-20 | 1982-08-25 | Nippon Kokan Kk <Nkk> | Steel plate having dual-phase structure and superior shearing edge workability |
JPH03277743A (ja) * | 1990-03-27 | 1991-12-09 | Kawasaki Steel Corp | 超高張力冷延鋼板およびその製造法 |
JPH06128688A (ja) * | 1992-10-20 | 1994-05-10 | Sumitomo Metal Ind Ltd | 疲労特性に優れた熱延鋼板およびその製造方法 |
JPH06264185A (ja) * | 1993-03-09 | 1994-09-20 | Sumitomo Metal Ind Ltd | 疲労特性の優れた熱延鋼板およびその製造方法 |
JP3459500B2 (ja) | 1995-06-28 | 2003-10-20 | 新日本製鐵株式会社 | 成型性及びめっき密着性に優れた高強度合金化溶融亜鉛めっき鋼板およびその製造方法 |
US6312536B1 (en) * | 1999-05-28 | 2001-11-06 | Kabushiki Kaisha Kobe Seiko Sho | Hot-dip galvanized steel sheet and production thereof |
JP2000355735A (ja) | 1999-06-15 | 2000-12-26 | Nippon Steel Corp | 材質バラツキの小さい加工性に優れた熱延高強度鋼板とその製造方法 |
JP4193315B2 (ja) * | 2000-02-02 | 2008-12-10 | Jfeスチール株式会社 | 延性に優れ降伏比の低い高強度薄鋼板および高強度亜鉛めっき薄鋼板ならびにそれらの製造方法 |
CA2368504C (en) * | 2000-02-29 | 2007-12-18 | Kawasaki Steel Corporation | High tensile strength cold rolled steel sheet having excellent strain age hardening characteristics and the production thereof |
DE60116477T2 (de) * | 2000-04-07 | 2006-07-13 | Jfe Steel Corp. | Warm-, kaltgewalzte und schmelz-galvanisierte stahlplatte mit exzellentem reckalterungsverhalten |
JP2002226943A (ja) | 2001-02-01 | 2002-08-14 | Kawasaki Steel Corp | 加工性に優れた高降伏比型高張力熱延鋼板およびその製造方法 |
JP4608822B2 (ja) * | 2001-07-03 | 2011-01-12 | Jfeスチール株式会社 | プレス成形性と歪時効硬化特性に優れた高延性溶融亜鉛めっき鋼板およびその製造方法 |
CA2387322C (en) * | 2001-06-06 | 2008-09-30 | Kawasaki Steel Corporation | High-ductility steel sheet excellent in press formability and strain age hardenability, and method for manufacturing the same |
JP2002363650A (ja) | 2001-06-07 | 2002-12-18 | Kobe Steel Ltd | シーム溶接性に優れた超高強度冷延鋼板の製造方法 |
JP2003003240A (ja) | 2001-06-20 | 2003-01-08 | Nippon Steel Corp | 穴拡げ性及びhaz部疲労特性に優れた高強度熱延鋼板及びその製造方法 |
JP4826694B2 (ja) * | 2001-09-28 | 2011-11-30 | Jfeスチール株式会社 | 薄鋼板の耐疲労特性改善方法 |
US6709535B2 (en) * | 2002-05-30 | 2004-03-23 | Kobe Steel, Ltd. | Superhigh-strength dual-phase steel sheet of excellent fatigue characteristic in a spot welded joint |
EP1577412B2 (en) * | 2002-12-24 | 2014-11-12 | Nippon Steel & Sumitomo Metal Corporation | High strength steel sheet exhibiting good burring workability and excellent resistance to softening in heat-affected zone and method for production thereof |
JP4005517B2 (ja) * | 2003-02-06 | 2007-11-07 | 株式会社神戸製鋼所 | 伸び、及び伸びフランジ性に優れた高強度複合組織鋼板 |
JP2005213640A (ja) * | 2004-02-02 | 2005-08-11 | Kobe Steel Ltd | 伸び及び伸びフランジ性に優れた高強度冷延鋼板とその製法 |
-
2007
- 2007-01-18 CN CNB2007100020344A patent/CN100554479C/zh not_active Expired - Fee Related
- 2007-01-25 US US11/627,192 patent/US20070196685A1/en not_active Abandoned
- 2007-02-22 EP EP07250742A patent/EP1826287B1/en not_active Expired - Fee Related
- 2007-02-22 KR KR1020070017849A patent/KR100915262B1/ko active IP Right Grant
-
2011
- 2011-09-06 US US13/225,920 patent/US8388771B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20010020169A (ko) * | 1998-03-12 | 2001-03-15 | 구마모토 마사히로 | 성형성이 우수한 고강도 열연강판 |
KR20010060647A (ko) * | 1999-12-27 | 2001-07-07 | 이구택 | 가공성이 우수한 인장강도 780㎫급 자동차용 열연강판 및그 제조방법 |
KR20030081050A (ko) * | 2002-04-09 | 2003-10-17 | 신닛뽄세이테쯔 카부시키카이샤 | 변형 성능이 우수한 고강도 강판, 고강도 강관 및 제조 방법 |
KR20050103935A (ko) * | 2003-04-21 | 2005-11-01 | 제이에프이 스틸 가부시키가이샤 | 고강도 열연강판 및 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
CN100554479C (zh) | 2009-10-28 |
EP1826287A2 (en) | 2007-08-29 |
EP1826287B1 (en) | 2012-10-31 |
EP1826287A3 (en) | 2010-12-01 |
US8388771B2 (en) | 2013-03-05 |
CN101024868A (zh) | 2007-08-29 |
US20070196685A1 (en) | 2007-08-23 |
KR20070087510A (ko) | 2007-08-28 |
US20110318605A1 (en) | 2011-12-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101615463B1 (ko) | 용융 아연 도금 강판 및 그 제조 방법 | |
US7608155B2 (en) | High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same | |
KR101399741B1 (ko) | 가공성이 우수한 고강도 용융 아연 도금 강판 및 그 제조 방법 | |
KR100992225B1 (ko) | 내파우더링성이 우수한 고강도 합금화 용융 아연 도금 강판및 그 제조 방법 | |
KR101831020B1 (ko) | 가공성이 우수한 고항복비 고강도 강판 | |
JP5765092B2 (ja) | 延性と穴広げ性に優れた高降伏比高強度溶融亜鉛めっき鋼板およびその製造方法 | |
KR100915262B1 (ko) | 가공성이 우수한 고강도 강판 | |
KR101264574B1 (ko) | 딥 드로잉성이 우수한 고강도 강판의 제조 방법 | |
JP2019506530A (ja) | 優れた成形性を有する高強度鋼板及びこれを製造する方法 | |
US11155902B2 (en) | High strength, hot dip coated, dual phase, steel sheet and method of manufacturing same | |
US11453926B2 (en) | Steel sheet, plated steel sheet, method for producing hot-rolled steel sheet, method for producing cold-rolled full hard steel sheet, method for producing steel sheet, and method for producing plated steel sheet | |
JP6443492B2 (ja) | 熱延鋼板の製造方法および冷延フルハード鋼板の製造方法 | |
KR20140007476A (ko) | 재질 안정성, 가공성 및 도금 외관이 우수한 고강도 용융 아연 도금 강판의 제조 방법 | |
KR20140095101A (ko) | 저온 인성과 내식성이 우수한 프레스 가공용 용융 도금 고강도 강판과 그 제조 방법 | |
KR20200118445A (ko) | 고강도 열간 압연 또는 냉간 압연 및 어닐링된 강 및 그 제조 방법 | |
JP5305149B2 (ja) | 成形性に優れた溶融亜鉛めっき高強度鋼板およびその製造方法 | |
JP4855442B2 (ja) | 低降伏比型合金化溶融亜鉛メッキ高強度鋼板の製造方法 | |
JP5192704B2 (ja) | 強度−伸びバランスに優れた高強度鋼板 | |
JP5251207B2 (ja) | 深絞り性に優れた高強度鋼板及びその製造方法 | |
JP5853884B2 (ja) | 溶融亜鉛めっき鋼板およびその製造方法 | |
JP2004244665A (ja) | 高強度高延性鋼板及びその製造方法 | |
JP4936300B2 (ja) | プレス加工性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法 | |
JP2004323958A (ja) | 耐二次加工脆性に優れる高張力溶融亜鉛めっき鋼板およびその製造方法 | |
CN114207172A (zh) | 高强度钢板、高强度部件及其制造方法 | |
KR20140064392A (ko) | 도금밀착성이 우수한 고강도 합금화 용융아연도금강판 및 그 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
AMND | Amendment | ||
E601 | Decision to refuse application | ||
AMND | Amendment | ||
J201 | Request for trial against refusal decision | ||
B701 | Decision to grant | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120719 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20130722 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20150729 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20160722 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20170804 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20180730 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20190729 Year of fee payment: 11 |