JP4606337B2 - コイン用オーステナイト系ステンレス綱およびその綱で製造されたコイン - Google Patents
コイン用オーステナイト系ステンレス綱およびその綱で製造されたコイン Download PDFInfo
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- JP4606337B2 JP4606337B2 JP2006020864A JP2006020864A JP4606337B2 JP 4606337 B2 JP4606337 B2 JP 4606337B2 JP 2006020864 A JP2006020864 A JP 2006020864A JP 2006020864 A JP2006020864 A JP 2006020864A JP 4606337 B2 JP4606337 B2 JP 4606337B2
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- Prior art keywords
- steel
- content
- austenitic stainless
- coins
- 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.)
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- 229910000963 austenitic stainless steel Inorganic materials 0.000 title claims description 19
- 229910000831 Steel Inorganic materials 0.000 title description 75
- 239000010959 steel Substances 0.000 title description 75
- 229910052757 nitrogen Inorganic materials 0.000 claims description 16
- 229910052698 phosphorus Inorganic materials 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 229910052717 sulfur Inorganic materials 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 44
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 21
- 229910052799 carbon Inorganic materials 0.000 description 21
- 229910052759 nickel Inorganic materials 0.000 description 20
- 239000000463 material Substances 0.000 description 17
- 238000012545 processing Methods 0.000 description 15
- 239000011651 chromium Substances 0.000 description 14
- 239000010949 copper Substances 0.000 description 14
- 230000035699 permeability Effects 0.000 description 12
- 230000007797 corrosion Effects 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 11
- 239000011572 manganese Substances 0.000 description 11
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 10
- 229910052804 chromium Inorganic materials 0.000 description 10
- 238000005482 strain hardening Methods 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 230000005291 magnetic effect Effects 0.000 description 9
- 230000005389 magnetism Effects 0.000 description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 7
- 229910052748 manganese Inorganic materials 0.000 description 7
- 229910001566 austenite Inorganic materials 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 238000005097 cold rolling Methods 0.000 description 5
- 229910000734 martensite Inorganic materials 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000009628 steelmaking Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000006104 solid solution Substances 0.000 description 1
- 239000002436 steel type Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Heat Treatment Of Steel (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Description
(1)コイン形状片への打ち抜き加工、圧縁加工、および表面への模様の打刻に要する加工負荷を軽減するため、加工前の素材の硬さが適度に軟質であること。
(2)コインに成形された後は、実際にゲーム機などで使用されたときに簡単に変形しない程度の硬度を有すること。
(3)コインに成形された後に大きな磁性を有しないこと。さもないと、ゲーム機や両替機などにコインが投入されたとき、機器内部に存在する磁力でコインが吸い付けられるとともに、コインどうしが張り付いて、コイン詰まりなどの機械の不具合を生じさせるからである。
Claims (2)
- 質量%で、0.05%≦C≦0.10%、Si≦1.0%、4.0%≦Mn≦5.0%、P≦0.10%、S≦0.010%、6.0%≦Ni≦7.0%、16.5%≦Cr≦17.5%、0.010%≦Mo≦3.0%、1.5%≦Cu≦3.0%、N≦0.05%を含有し、残部がFeおよび不可避的不純物からなる化学組成を有することを特徴とするコイン用オーステナイト系ステンレス鋼。
- 請求項1に記載のオーステナイト系ステンレス鋼で製造されたことを特徴とするコイン。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006020864A JP4606337B2 (ja) | 2006-01-30 | 2006-01-30 | コイン用オーステナイト系ステンレス綱およびその綱で製造されたコイン |
Applications Claiming Priority (1)
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JP2006020864A JP4606337B2 (ja) | 2006-01-30 | 2006-01-30 | コイン用オーステナイト系ステンレス綱およびその綱で製造されたコイン |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007197807A JP2007197807A (ja) | 2007-08-09 |
JP4606337B2 true JP4606337B2 (ja) | 2011-01-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2006020864A Active JP4606337B2 (ja) | 2006-01-30 | 2006-01-30 | コイン用オーステナイト系ステンレス綱およびその綱で製造されたコイン |
Country Status (1)
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JP (1) | JP4606337B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6798907B2 (ja) * | 2017-03-07 | 2020-12-09 | 日鉄ステンレス株式会社 | 低磁性オーステナイト系ステンレス鋼および冷延鋼板 |
US10472703B2 (en) * | 2017-10-06 | 2019-11-12 | The United States Mint | Metal alloy for coin production |
KR102173302B1 (ko) * | 2018-11-12 | 2020-11-03 | 주식회사 포스코 | 비자성 오스테나이트계 스테인리스강 및 그 제조방법 |
CN113388790B (zh) * | 2021-06-08 | 2022-11-25 | 常州腾飞特材科技有限公司 | 一种06Cr19Ni10N奥氏体不锈钢管及其生产工艺 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5277815A (en) * | 1975-12-24 | 1977-06-30 | Kobe Steel Ltd | Austenite stainless steel for cold press-forming |
JPS5589431A (en) * | 1978-12-27 | 1980-07-07 | Nisshin Steel Co Ltd | Preparation of stainless steel for coin |
JPH0466651A (ja) * | 1990-07-06 | 1992-03-03 | Nisshin Steel Co Ltd | コイニング性および耐摩耗性に優れたコイン用非磁性材料 |
JPH0770714A (ja) * | 1993-07-08 | 1995-03-14 | Asahi Seiko Kk | コイン用ステンレス鋼およびステンレス鋼製コインの製造方法 |
JPH0853738A (ja) * | 1994-08-10 | 1996-02-27 | Nisshin Steel Co Ltd | 抗菌性に優れたコイン用オーステナイト系ステンレス鋼 |
JP2003082444A (ja) * | 2001-09-14 | 2003-03-19 | Nippon Steel Corp | 軟質オーステナイト系ステンレス鋼 |
JP2004323904A (ja) * | 2003-04-24 | 2004-11-18 | Nippon Steel Corp | 工具寿命に優れる冷間鍛造用Cu含有オーステナイト系ステンレス鋼線材 |
JP2005154890A (ja) * | 2003-11-07 | 2005-06-16 | Nippon Steel & Sumikin Stainless Steel Corp | 加工性に優れたオ−ステナイト系高Mnステンレス鋼 |
JP2005213589A (ja) * | 2004-01-29 | 2005-08-11 | Nippon Steel & Sumikin Stainless Steel Corp | 軟質オ−ステナイト系ステンレス光輝焼鈍鋼材とその製造方法 |
-
2006
- 2006-01-30 JP JP2006020864A patent/JP4606337B2/ja active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5277815A (en) * | 1975-12-24 | 1977-06-30 | Kobe Steel Ltd | Austenite stainless steel for cold press-forming |
JPS5589431A (en) * | 1978-12-27 | 1980-07-07 | Nisshin Steel Co Ltd | Preparation of stainless steel for coin |
JPH0466651A (ja) * | 1990-07-06 | 1992-03-03 | Nisshin Steel Co Ltd | コイニング性および耐摩耗性に優れたコイン用非磁性材料 |
JPH0770714A (ja) * | 1993-07-08 | 1995-03-14 | Asahi Seiko Kk | コイン用ステンレス鋼およびステンレス鋼製コインの製造方法 |
JPH0853738A (ja) * | 1994-08-10 | 1996-02-27 | Nisshin Steel Co Ltd | 抗菌性に優れたコイン用オーステナイト系ステンレス鋼 |
JP2003082444A (ja) * | 2001-09-14 | 2003-03-19 | Nippon Steel Corp | 軟質オーステナイト系ステンレス鋼 |
JP2004323904A (ja) * | 2003-04-24 | 2004-11-18 | Nippon Steel Corp | 工具寿命に優れる冷間鍛造用Cu含有オーステナイト系ステンレス鋼線材 |
JP2005154890A (ja) * | 2003-11-07 | 2005-06-16 | Nippon Steel & Sumikin Stainless Steel Corp | 加工性に優れたオ−ステナイト系高Mnステンレス鋼 |
JP2005213589A (ja) * | 2004-01-29 | 2005-08-11 | Nippon Steel & Sumikin Stainless Steel Corp | 軟質オ−ステナイト系ステンレス光輝焼鈍鋼材とその製造方法 |
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Publication number | Publication date |
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JP2007197807A (ja) | 2007-08-09 |
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