JP2013521411A - 押出用工具鋼 - Google Patents
押出用工具鋼 Download PDFInfo
- Publication number
- JP2013521411A JP2013521411A JP2012556347A JP2012556347A JP2013521411A JP 2013521411 A JP2013521411 A JP 2013521411A JP 2012556347 A JP2012556347 A JP 2012556347A JP 2012556347 A JP2012556347 A JP 2012556347A JP 2013521411 A JP2013521411 A JP 2013521411A
- Authority
- JP
- Japan
- Prior art keywords
- steel
- extrusion
- less
- amount
- hardness
- 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
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 33
- 229910001315 Tool steel Inorganic materials 0.000 title claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 76
- 239000010959 steel Substances 0.000 claims abstract description 76
- 238000005496 tempering Methods 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 238000005121 nitriding Methods 0.000 claims abstract description 13
- 239000000126 substance Substances 0.000 claims abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract 3
- 239000011574 phosphorus Substances 0.000 claims abstract 3
- 229910045601 alloy Inorganic materials 0.000 claims description 44
- 239000000956 alloy Substances 0.000 claims description 44
- 238000000034 method Methods 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 14
- 238000010791 quenching Methods 0.000 claims description 7
- 230000000171 quenching effect Effects 0.000 claims description 7
- 229910021652 non-ferrous alloy Inorganic materials 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims description 4
- 238000005242 forging Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000004663 powder metallurgy Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 229910052717 sulfur Inorganic materials 0.000 claims description 2
- 239000011593 sulfur Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 239000011344 liquid material Substances 0.000 claims 2
- 239000011343 solid material Substances 0.000 claims 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
- 229910017052 cobalt Inorganic materials 0.000 claims 1
- 239000010941 cobalt Substances 0.000 claims 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims 1
- 238000013467 fragmentation Methods 0.000 claims 1
- 238000006062 fragmentation reaction Methods 0.000 claims 1
- 238000001192 hot extrusion Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 229910001338 liquidmetal Inorganic materials 0.000 claims 1
- 238000002844 melting Methods 0.000 claims 1
- 230000008018 melting Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000009718 spray deposition Methods 0.000 claims 1
- 239000011651 chromium Substances 0.000 abstract description 47
- 229910052750 molybdenum Inorganic materials 0.000 abstract description 23
- 229910052804 chromium Inorganic materials 0.000 abstract description 21
- 229910052799 carbon Inorganic materials 0.000 abstract description 12
- 229910052720 vanadium Inorganic materials 0.000 abstract description 10
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011733 molybdenum Substances 0.000 abstract description 6
- 229910052721 tungsten Inorganic materials 0.000 abstract description 5
- 229910052710 silicon Inorganic materials 0.000 abstract description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 abstract description 3
- 239000010937 tungsten Substances 0.000 abstract description 3
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 2
- 239000010703 silicon Substances 0.000 abstract description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- 239000011572 manganese Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 27
- 230000009467 reduction Effects 0.000 description 14
- 239000000463 material Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 150000001247 metal acetylides Chemical class 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005275 alloying Methods 0.000 description 3
- 229910001566 austenite Inorganic materials 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 229910000599 Cr alloy Inorganic materials 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 229910001567 cementite Inorganic materials 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- KSOKAHYVTMZFBJ-UHFFFAOYSA-N iron;methane Chemical compound C.[Fe].[Fe].[Fe] KSOKAHYVTMZFBJ-UHFFFAOYSA-N 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/52—Ferrous alloys, e.g. steel alloys containing chromium with nickel with cobalt
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C21/00—Alloys based on aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
-
- 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
- C22C38/18—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
- C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
-
- 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
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- 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
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel 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
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
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 Articles (AREA)
- Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI1003185-5A BRPI1003185A2 (pt) | 2010-03-08 | 2010-03-08 | aço para ferramentas de extrusão |
BRPI1003185-5 | 2010-03-08 | ||
PCT/BR2011/000059 WO2011109881A1 (pt) | 2010-03-08 | 2011-03-04 | Aço para ferramentas de extrusão |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013521411A true JP2013521411A (ja) | 2013-06-10 |
JP2013521411A5 JP2013521411A5 (enrdf_load_stackoverflow) | 2014-04-24 |
Family
ID=44562754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012556347A Pending JP2013521411A (ja) | 2010-03-08 | 2011-03-04 | 押出用工具鋼 |
Country Status (11)
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016125132A (ja) * | 2015-01-08 | 2016-07-11 | 日産自動車株式会社 | 窒化部材及びそれを用いた摩擦伝動変速機 |
JP2020132891A (ja) * | 2019-02-12 | 2020-08-31 | 山陽特殊製鋼株式会社 | 熱伝導率に優れる金型用鋼 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103334054A (zh) * | 2013-06-18 | 2013-10-02 | 上海大学 | 经济型含铝热挤压模具钢及其制备、热处理和表面处理方法 |
CN104805362A (zh) * | 2015-03-31 | 2015-07-29 | 吉林大学 | 含铝中合金铸造冷作模具钢 |
KR101676244B1 (ko) | 2015-04-14 | 2016-11-29 | 현대자동차주식회사 | 열변형 저감 스티어링 랙바용 탄소강 조성물 및 이의 제조방법 |
CN104805366B (zh) * | 2015-05-20 | 2017-05-24 | 中南大学 | 一种粉末冶金低合金钢及其制备方法 |
CN115418467B (zh) * | 2022-09-27 | 2023-06-06 | 江苏隆达超合金股份有限公司 | 一种铜镍合金管挤压用h13穿孔针热处理工艺 |
CN116555679B (zh) * | 2023-05-19 | 2025-07-04 | 苏州沃泰尔精密模具机械有限公司 | 一种高红硬性热挤压模具钢及其制备方法 |
CN116810360A (zh) * | 2023-06-30 | 2023-09-29 | 安徽铜都流体科技股份有限公司 | 一种可更换式刀箱制作方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006504868A (ja) * | 2002-06-13 | 2006-02-09 | ウッデホルム トウリング アクテイエボラーグ | 鋼及びこの鋼でつくられたプラスチック物質用の成型工具 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2051984C1 (ru) * | 1993-04-28 | 1996-01-10 | Нижнетагильский металлургический комбинат | Сталь |
US6478898B1 (en) * | 1999-09-22 | 2002-11-12 | Sumitomo Metal Industries, Ltd. | Method of producing tool steels |
JP3612459B2 (ja) * | 1999-11-09 | 2005-01-19 | 山陽特殊製鋼株式会社 | 小ロット生産用金型鋼 |
CN1138017C (zh) * | 2000-06-08 | 2004-02-11 | 顺德市世创金属科技有限公司 | 一种中合金铬系热作模具钢 |
JP2003268500A (ja) * | 2002-03-15 | 2003-09-25 | Daido Steel Co Ltd | 被削性に優れた熱間工具鋼及びその製造方法 |
SE529809C2 (sv) * | 2006-04-06 | 2007-11-27 | Uddeholm Tooling Ab | Varmarbetsstål |
SE533988C2 (sv) * | 2008-10-16 | 2011-03-22 | Uddeholms Ab | Stålmaterial och förfarande för framställning därav |
-
2010
- 2010-03-08 BR BRPI1003185-5A patent/BRPI1003185A2/pt not_active Application Discontinuation
-
2011
- 2011-03-04 US US13/583,288 patent/US20130243639A1/en not_active Abandoned
- 2011-03-04 JP JP2012556347A patent/JP2013521411A/ja active Pending
- 2011-03-04 RU RU2012142660/02A patent/RU2012142660A/ru not_active Application Discontinuation
- 2011-03-04 KR KR1020127026298A patent/KR20130004591A/ko not_active Withdrawn
- 2011-03-04 WO PCT/BR2011/000059 patent/WO2011109881A1/pt active Application Filing
- 2011-03-04 EP EP11752761.4A patent/EP2546374A4/en not_active Withdrawn
- 2011-03-04 CA CA2792615A patent/CA2792615A1/en not_active Abandoned
- 2011-03-04 MX MX2012010394A patent/MX2012010394A/es not_active Application Discontinuation
- 2011-03-04 CN CN2011800200854A patent/CN103097562A/zh active Pending
-
2012
- 2012-10-02 ZA ZA2012/07378A patent/ZA201207378B/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006504868A (ja) * | 2002-06-13 | 2006-02-09 | ウッデホルム トウリング アクテイエボラーグ | 鋼及びこの鋼でつくられたプラスチック物質用の成型工具 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016125132A (ja) * | 2015-01-08 | 2016-07-11 | 日産自動車株式会社 | 窒化部材及びそれを用いた摩擦伝動変速機 |
JP2020132891A (ja) * | 2019-02-12 | 2020-08-31 | 山陽特殊製鋼株式会社 | 熱伝導率に優れる金型用鋼 |
Also Published As
Publication number | Publication date |
---|---|
ZA201207378B (en) | 2013-06-26 |
CA2792615A1 (en) | 2011-09-15 |
BRPI1003185A2 (pt) | 2012-02-07 |
EP2546374A1 (en) | 2013-01-16 |
KR20130004591A (ko) | 2013-01-11 |
MX2012010394A (es) | 2012-10-05 |
RU2012142660A (ru) | 2014-04-20 |
CN103097562A (zh) | 2013-05-08 |
US20130243639A1 (en) | 2013-09-19 |
WO2011109881A1 (pt) | 2011-09-15 |
EP2546374A4 (en) | 2015-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2013521411A (ja) | 押出用工具鋼 | |
JP6432070B2 (ja) | 高温熱伝導度に優れた長寿命ダイカスト用熱間金型鋼およびその製造方法 | |
JP6366326B2 (ja) | 高靱性熱間工具鋼およびその製造方法 | |
TW201726942A (zh) | 熱加工工具鋼 | |
JP5929963B2 (ja) | 鋼の焼入方法 | |
WO2018182480A1 (en) | Hot work tool steel | |
EP3209806B1 (en) | An ultra-high strength thermo-mechanically processed steel | |
CN103938096A (zh) | 一种高强度高韧性热作模具钢及其制备方法 | |
KR20140110720A (ko) | 열전도도가 향상된 다이케스팅 및 핫스템핑용 자동차용 금형강 및 그 제조방법 | |
JP2013510951A (ja) | 高焼戻し抵抗を有する鋼 | |
WO2018056884A1 (en) | Hot work tool steel | |
JP2013510952A (ja) | デルタフェライト量の小さいステンレス金型鋼 | |
JP5727400B2 (ja) | プラスチック成形金型用鋼およびその製造方法 | |
JP2007224418A (ja) | 靭性に優れた熱間工具鋼 | |
CA3182089A1 (en) | Hot work tool steel | |
JP2001294974A (ja) | 被削性に優れ熱処理変寸が小さい工具鋼およびその製造方法 | |
CN105274443B (zh) | 一种锻造模具用钢及其制备方法 | |
KR20250099456A (ko) | 분말 야금 공구강 | |
CN109415793B (zh) | 用于工具保持件的钢 | |
JP6359241B2 (ja) | 鏡面性に優れた耐食性プラスチック成形金型用鋼 | |
JPH11293381A (ja) | 溶接性に優れた熱処理用鋳鋼 | |
SE2350341A1 (en) | Big block of hot work tool steel and large mould for mega- and giga-casting | |
JP2000273590A (ja) | 溶接性および被削性に優れた熱処理用鋳鋼 | |
HK1136320B (en) | Tool steels and manufacturing method thereof | |
HK1136320A1 (en) | Tool steels and manufacturing method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140304 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20140304 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20150205 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20150210 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20150630 |