WO2014020891A8 - 耐摩耗鋼板およびその製造方法 - Google Patents

耐摩耗鋼板およびその製造方法 Download PDF

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WO2014020891A8
WO2014020891A8 PCT/JP2013/004587 JP2013004587W WO2014020891A8 WO 2014020891 A8 WO2014020891 A8 WO 2014020891A8 JP 2013004587 W JP2013004587 W JP 2013004587W WO 2014020891 A8 WO2014020891 A8 WO 2014020891A8
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wear resistant
steel plate
plate
manufacturing process
resistant steel
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French (fr)
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WO2014020891A1 (ja
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植田　圭治
進一 三浦
石川　信行
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Ｊｆｅスチール株式会社
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Priority to US14/412,541 priority Critical patent/US9738957B2/en
Priority to MX2015001232A priority patent/MX2015001232A/es
Priority to AU2013297928A priority patent/AU2013297928B2/en
Priority to CN201380039743.3A priority patent/CN104508166B/zh
Priority to EP13825109.5A priority patent/EP2881482B1/en
Publication of WO2014020891A1 publication Critical patent/WO2014020891A1/ja
Publication of WO2014020891A8 publication Critical patent/WO2014020891A8/ja

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Abstract

　建産機械、造船、鋼管、土木、建築等に供して好適な耐衝撃摩耗特性に優れる耐摩耗鋼板およびその製造方法を提供することを目的とする。　上記課題を鑑みて、本発明は、特定の鋼組成を有し、（１）式のDI*が100～250であり、表層部が面積分率で90％以上のマルテンサイトを有し、ブリネル硬度が450HBW10／3000以上であり、板厚の1／2位置から表裏方向にそれぞれ0.5mmまでの部位にあたる板厚中央部が面積分率で70％以上の下部ベイナイトを有することを特徴とする。 DI*＝33.85×（0.1×C）0.5　×（0.7×Si＋1）×（3.33×Mn＋1）×（0.35×Cu＋1）×（0.36×Ni＋1）×（2.16×Cr＋1）×（3×Mo＋1）×（1.75×V＋1）×（1.5×W＋1）　・・・（１） 各元素記号は含有量（mass％）
PCT/JP2013/004587 2012-07-30 2013-07-29 耐摩耗鋼板およびその製造方法 WO2014020891A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US14/412,541 US9738957B2 (en) 2012-07-30 2013-07-29 Wear resistant steel plate and manufacturing process therefor
MX2015001232A MX2015001232A (es) 2012-07-30 2013-07-29 Placa de acero resistente al desgaste y proceso de fabricacion para la misma.
AU2013297928A AU2013297928B2 (en) 2012-07-30 2013-07-29 Wear resistant steel plate and manufacturing process therefor
CN201380039743.3A CN104508166B (zh) 2012-07-30 2013-07-29 耐磨钢板及其制造方法
EP13825109.5A EP2881482B1 (en) 2012-07-30 2013-07-29 Wear resistant steel plate and manufacturing process therefor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012168396A JP5966730B2 (ja) 2012-07-30 2012-07-30 耐衝撃摩耗特性に優れた耐摩耗鋼板およびその製造方法
JP2012-168396 2012-07-30

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WO2014020891A1 WO2014020891A1 (ja) 2014-02-06
WO2014020891A8 true WO2014020891A8 (ja) 2015-01-15

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US (1) US9738957B2 (ja)
EP (1) EP2881482B1 (ja)
JP (1) JP5966730B2 (ja)
CN (1) CN104508166B (ja)
AU (1) AU2013297928B2 (ja)
MX (1) MX2015001232A (ja)
WO (1) WO2014020891A1 (ja)

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