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11. 发明专利

JP2012092379A High-strength thick steel plate excellent in arrest property and corrosion resistance 有权
标题翻译：高强度厚钢板优良的耐腐蚀性和耐腐蚀性
公开(公告)号：JP2012092379A
公开(公告)日：2012-05-17
申请号：JP2010239292
申请日：2010-10-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , KAWABATA TOMOYA , KAMIMURA TAKAYUKI , YUKI HIDEAKI , KAJIMA KAZUYUKI
IPC分类号： C22C38/00 , C21D8/02 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-strength thick steel plate excellent in arrest property and corrosion resistance inexpensively.SOLUTION: The high-strength thick steel plate excellent in arrest property and corrosion resistance has a chemical composition including by mass: 0.01 to 0.12% C; ≤0.5% Si; 0.4 to 2.0% Mn; ≤0.05% P; ≤0.008% S; 0.002 to 0.05% Al; ≤0.01% N; 0.003 to 0.1% Nb; 0.03 to 0.50% Sn; and balance Fe with inevitable impurities. This steel plate has: a carbon equivalent Ceq represented by formula (1) below, of 0.32 to 0.40; a ferrite structural fraction in a (1/2)t part of a plate thickness, of ≥80%; an effective crystal particle diameter in a (1/2)t part of the plate thickness, of ≤25 μm; and the average value of the total of X-ray intensity ratios in the (321), (211) and (110) planes in a direction of an angle of 45° in the (1/2)t part and a (1/4)t part of the plate thickness, of ≤3.3. The steel plate may further include Cu, Ni, Cr and the like. Here, Ceq=C+Mn/6+Cu/15+Ni/15+Cr/5+Mo/5+V/5 (1).
摘要翻译：要解决的问题：提供廉价优异的阻燃性和耐腐蚀性的高强度厚钢板。解决方案：悬浮性和耐腐蚀性优异的高强度厚钢板具有质量：0.01〜0.12％的化学组成; ≤0.5％Si; 0.4〜2.0％Mn; ≤0.05％P; ≤0.008％S; 0.002〜0.05％Al; ≤0.01％N; 0.003〜0.1％Nb; 0.03〜0.50％Sn; 并将Fe与不可避免的杂质平衡。该钢板具有：由下式（1）表示的碳当量Ceq为0.32〜0.40; 板厚（1/2）t部分的铁素体结构部分≥80％; 板厚（1/2）t部分的有效晶粒直径≤25μm; 和（1/2）t部分的角度为45°的方向的（321），（211）和（110）面中的X射线强度比的总和的平均值， 4）t部分板厚，≤3.3。钢板还可以包括Cu，Ni，Cr等。这里，Ceq = C + Mn / 6 + Cu / 15 + Ni / 15 + Cr / 5 + Mo / 5 + V / 5（1）。版权所有（C）2012，JPO＆INPIT

12. 发明专利

JP2012092377A High-tensile strength steel, and method of manufacturing the same 有权
标题翻译：高强度钢及其制造方法
公开(公告)号：JP2012092377A
公开(公告)日：2012-05-17
申请号：JP2010239212
申请日：2010-10-26
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , FUJIWARA TOMOYA , KAMO TAKAHIRO
IPC分类号： C22C38/00 , C21D8/02 , C22C38/38
摘要： PROBLEM TO BE SOLVED: To provide a high-tensile strength steel inexpensively, which is excellent in strength and toughness of a base material, HAZ toughness and SSC resistance.SOLUTION: The high-tensile strength steel has a chemical composition including by mass%: 0.10 to 0.20% C; 0.02 to 0.25% Si; 0.7 to 1.6% Mn; ≤0.02 P; ≤0.008% S; 0.5 to 1.2% Cr; 0.1 to
摘要翻译：要解决的问题：为了提供廉价的高强度钢，其基材的强度和韧性优异，HAZ韧性和耐SSC性。解决方案：高强度钢具有质量％：0.10〜0.20％C的化学组成; 0.02〜0.25％Si; 0.7〜1.6％Mn; ≤0.02P; ≤0.008％S; 0.5〜1.2％Cr; 0.1〜0.3％Mo; 0.004〜0.025％Ti; 0.0005〜0.003％B; 0.01〜0.05％Al; ≤0.01％N; 并将Fe与不可避免的杂质平衡。从下式（1）得到的钢的F 1 的值为4.0-6.0，F 2 由下式（2）得到的钢是14.0〜19.0。在该钢中，板的1/4厚度位置的（100）面的X射线反射强度比≤1.5。公式（1）：F 1 =（1 + 2.33Cr）×（1 + 3.14Mo）和公式（2）：F = 7.90℃ 1/2 ×（1 + 0.64Si）×（1 + 4.10Mn）其中各元素符号表示每个元素版权所有（C）2012，JPO＆INPIT

13. 发明专利

JP2011219848A Thick steel plate for ultra-low temperature and method for producing the same 有权
标题翻译：用于超低温的厚钢板及其制造方法
公开(公告)号：JP2011219848A
公开(公告)日：2011-11-04
申请号：JP2010093448
申请日：2010-04-14
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAWABATA TOMOYA , KAMO TAKAHIRO , SAKAIBORI HIDEO , KUBO SATOSHI , OKUBO TAKESHI , SUZUKI SHUICHI
IPC分类号： C22C38/00 , C21D8/02 , C21D9/00 , C21D9/46 , C22C38/08 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a thick steel plate for ultra-low temperature, which has excellent arrest properties, at a low cost.SOLUTION: There are provided the thick steel plate for ultra-low temperature and a method for producing the thick steel plate which has excellent arrest properties, and has a composition comprising, by mass%, 0.01 to 0.12% C, 0.01 to 0.3% Si, 0.4 to 2.0% Mn, ≤0.05% P, ≤0.008% S, >5.0 to
摘要翻译：要解决的问题：以低成本提供具有优异的阻滞性能的用于超低温的厚钢板。提供了用于超低温的厚钢板和制造具有优异的阻塞性的厚钢板的方法，并且具有以质量％计含有0.01〜0.12％的C，0.01〜 0.3％Si，0.4〜2.0％Mn，≤0.05％P，≤0.008％S，5.0〜10.0％Ni，0.002〜0.05％Al和≤0.005％N，余量为Fe与杂质，其中板厚的（1/4）t位置处的残留γ的量为≥3.0体积％，并且由大角度晶界包围的结构单元的当量圆直径的平均值≥15° 通过EBSP法在2,000倍的倍率下观察，在板厚的（1/4）t的位置处为≤5.5μm。厚钢板还可以包括Cu，Cr，Mo，V，B，Nb，Ti，Ca，Mg和REM中的一种或多种。版权所有（C）2012，JPO＆INPIT

14. 发明专利

JP2011127207A High-strength thick steel plate having excellent brittle-crack arrestability, and method for producing the same 审中-公开
标题翻译：具有优异的脆性破坏性的高强度厚钢板及其制造方法
公开(公告)号：JP2011127207A
公开(公告)日：2011-06-30
申请号：JP2009288941
申请日：2009-12-21
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAWABATA TOMOYA , KUBO SATOSHI , SAKAIBORI HIDEO , OKUBO TAKESHI , SUZUKI SHUICHI
IPC分类号： C22C38/00 , B21B1/38 , B21B3/00 , C21D8/02 , C22C38/06 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-strength thick steel plate having excellent brittle-crack arrestability under high productivity.
SOLUTION: The high-strength thick steel plate having excellent brittle-crack arrestability has a chemical composition comprising, by mass, 0.01 to 0.12% C, ≤0.5% Si, 0.4 to 2% Mn, ≤0.05% P, ≤0.008% S, 0.002 to 0.05% Al, ≤0.01% N, and the balance Fe with impurities, in which carbon equivalent Ceq shown by formula (1): Ceq=C+Mn/6+Cu/15+Ni/15+Cr/5+Mo/5+V/5 (wherein the C, Mn, Cu, Ni, Cr, Mo and V in the formula denote the contents (mass%) of the respective elements in the steel plate) is 0.32 to 0.40. The X-ray intensity ratio of the (100) face in the rolling face in the central part at the plate thickness is ≥2, and the X-ray intensity ratio of the (110) face in the rolling face in the (1/4)t part of the plate thickness is
摘要翻译：要解决的问题：提供一种在高生产率下具有优异的脆性 - 抗裂性的高强度厚钢板。解决方案：具有优异的脆性裂纹阻止性的高强度厚钢板具有化学成分，其组成为：质量分数为0.01〜0.12％的C，≤0.5％的Si，0.4〜2％的Mn，≤0.05％的P，≤ 0.008％S，0.002〜0.05％Al，≤0.01％N，余量为Fe与杂质，其中式（1）表示的碳当量Ceq：Ceq = C + Mn / 6 + Cu / 15 + Ni / 15 + Cr / 5 + Mo / 5 + V / 5（其中，式中的C，Mn，Cu，Ni，Cr，Mo和V表示钢板中各元素的含量（质量％））为0.32〜0.40 。板厚中央部的滚动面的（100）面的X射线强度比为≥2，（1/2）的滚动面的（110）面的X射线强度比为 4）板厚度的一部分<1.5。此外，钢板可以包括Cu，Cr，Mo，V，Nb，B，Ni，Ti，Ca，Mg和稀土金属。版权所有（C）2011，JPO＆INPIT

15. 发明专利

JP2010280932A Low yield ratio steel member and method for producing the same 有权
标题翻译：低合金比例的钢构件及其制造方法
公开(公告)号：JP2010280932A
公开(公告)日：2010-12-16
申请号：JP2009133808
申请日：2009-06-03
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OKUBO TAKESHI , SAKAIBORI HIDEO , KAWABATA TOMOYA , KUBO SATOSHI , SUMIYA YASUNORI
IPC分类号： C22C38/00 , C21D8/02 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a low yield ratio steel material having a tensile strength of ≥490 MPa, a yield ratio of ≤80%, and a fracture transition temperature of ≤-20°C, and can be produced at low cost while suppressing the drastic rise of energy cost. SOLUTION: The low yield ratio steel member has a chemical composition composed of 0.05 to 0.20% C, 0.10 to 0.50% Si, 1.0 to 2.0% Mn, ≤0.05% P, ≤0.02% S, ≤0.01% Nb and 0.003 to 0.050% Al, and the balance Fe with impurities, and has a microstructure composed of a ferritic phase in which the average crystal grain size is >3 to 20 μm, and a hard phase in which the average aspect ratio is COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：为了提供拉伸强度≥490MPa，屈服比≤80％，断裂转变温度≤-20℃的低屈服比钢材，可以在低成本，同时抑制能源成本的急剧上升。解决方案：低屈服比钢构件具有由0.05至0.20％C，0.10至0.50％Si，1.0至2.0％Mn，≤0.05％P，≤0.02％S，≤0.01％Nb和 0.003〜0.050％的Al，余量为Fe的杂质，具有由平均结晶粒径> 3〜20μm的铁素体相组成的组织和平均纵横比<10的硬相，不可避免的形成相，其中铁素体相的比率≥40％，不可避免形成的相的比例≤5％。钢构件可以具有由选自Cu，Ni，Cr，Mo和V中的一种或多种的化学组成。版权所有（C）2011，JPO＆INPIT

16. 发明专利

JP2009280870A Steel plate for axle housing 审中-公开
标题翻译：用于轴套的钢板
公开(公告)号：JP2009280870A
公开(公告)日：2009-12-03
申请号：JP2008135089
申请日：2008-05-23
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , FUJIWARA TOMOYA
IPC分类号： C22C38/00 , C22C38/14 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel plate for an axle housing which can maintain a high yield point even after hot working such as pressing.
SOLUTION: The steel plate for an axle housing comprises, by mass, 0.10 to 0.25% C, 0.05 to 0.50% Si, 0.70 to 1.60% Mn, 0.025% or less P, 0.010% or less S, 0.005 to 0.060% Al, 0.006% or less N, 0.050% or less Nb, 0.020 to 0.080% V, and 0.003 to 0.030% Ti, and the balance Fe with inevitable impurities, and has a Ceq value of 0.35% or more and 0.55% or less determined by the following formula (1): Ceq=C+Si/24+Mn/6+Cu/15+Ni/40+Cr/5+Mo/4+V/14, wherein each symbol of element in the formula (1) means the content (% by mass) of each element.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于车轴壳体的钢板，即使在诸如压制的热加工之后也能保持高屈服点。＆lt; P＆gt;解决方案：用于轴壳的钢板包括：0.10〜0.25％的C，0.05〜0.50％的Si，0.70〜1.60％的Mn，0.025％以下的P，0.010％以下的S，0.005〜0.060 ％Al，0.006％以下N，0.050％以下Nb，0.020〜0.080％V，0.003〜0.030％Ti，余量为Fe与不可避免的杂质，Ceq值为0.35％以上0.55％以下较少由以下公式（1）确定：Ceq = C + Si / 24 + Mn / 6 + Cu / 15 + Ni / 40 + Cr / 5 + Mo / 4 + V / 14，其中式（1）表示各元素的含量（质量％）。版权所有（C）2010，JPO＆INPIT

17. 发明专利

JP2009191278A High strength thick steel plate having excellent arrest property in z direction, and method for producing the same 有权
标题翻译：在Z方向上具有优异的侵蚀性的高强度厚钢板及其制造方法
公开(公告)号：JP2009191278A
公开(公告)日：2009-08-27
申请号：JP2008029862
申请日：2008-02-12
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KAWABATA TOMOYA , KUBO SATOSHI
IPC分类号： C22C38/00 , B21B1/26 , B21B1/38 , C21D8/02 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high strength thick steel plate having excellent arrest properties in a Z direction. SOLUTION: The high strength thick steel plate having excellent arrest properties in the Z direction has a chemical composition comprising 0.01 to 0.12% C, ≤0.50% Si, 0.4 to 2% Mn, ≤0.05% P, ≤0.008% S, 0.002 to 0.05% Al, ≤0.01% N and 0.003 to 0.1% Nb, and satisfying [C+(Mn/6)+(Cu/15)+(Ni/15)+(Cr/5)+(Mo/5)+(V/5)]: 0.32 to 0.40, and the balance Fe with impurities, and in which the effective crystal grain size in the central part of the plate thickness is ≤25 μm, and, with the plate thickness 1/4 position in the C cross-section as the center, the ratio Nz/Nc between the grain boundary number Nz of effective crystal grains crossing an optional straight line having a specified length in the Z direction and the grain boundary number Nc of the effective crystal grains crossing an optional straight line having a specified length the same as the above is ≥1.05; wherein, the effective crystal grains denote the crystal grains in the case the boundaries having an orientation difference of ≥15° are defined as crystal boundaries using an EBSP (Electron Back Scattering Pattern) process. Further, the steel plate can comprise Ni, Cu, Cr, Mo, V, B, Ti, Ca, Mg and REM. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供在Z方向上具有优异的阻滞性的高强度厚钢板。解决方案：在Z方向上具有优异的阻滞性的高强度厚钢板具有化学组成，其包含0.01至0.12％的C，≤0.50％的Si，0.4至2％的Mn，≤0.05％的P，≤0.008％的S ，（0.002〜0.05％的Al，≤0.01％的N和0.003〜0.1％的Nb，满足[C +（Mn / 6）+（Cu / 15）+（Ni / 15）+（Cr / 5）+（Mo / ）+（V / 5）]：0.32〜0.40，余量为Fe与杂质，其中板厚中心部分的有效晶粒尺寸为≤25μm，板厚为1/4 以C截面为中心的位置，与Z方向上具有规定长度的任意直线交叉的有效晶粒的晶界数Nz与有效晶粒的晶界数Nc之比Nz / Nc 穿过与上述相同的规定长度的可选直线≥1.05; 其中，在使用EBSP（电子反射散射图案）工艺将取向差为≥15°的边界定义为晶体边界的情况下，有效晶粒表示晶粒。此外，钢板可以包括Ni，Cu，Cr，Mo，V，B，Ti，Ca，Mg和REM。版权所有（C）2009，JPO＆INPIT

18. 发明专利

JP2006219712A Steel plate superior in laser sectility and manufacturing method therefor 有权
标题翻译：钢板超级激光器及其制造方法
公开(公告)号：JP2006219712A
公开(公告)日：2006-08-24
申请号：JP2005033133
申请日：2005-02-09
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： OKADA HIKARI , SATO MORITSUGU , URABE TAKESHI , KOBAYASHI MAKOTO , KUBO SATOSHI , MAEDA TAKAO , SETA ICHIRO , FUJIWARA TOMOYA , HIDAKA YASUYOSHI
IPC分类号： C22C38/00 , B21B1/38 , C21D8/02 , C22C38/16 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a steel plate to be cut with a laser, which stably shows excellent laser sectility and enables the unmanned driving of a laser cutting machine in the nighttime, and to provide a manufacturing method therefor.
SOLUTION: The slab of the steel plate includes, by mass%, 0.03-0.50% Cu, 0.02-0.50% Ni while satisfying the expression of mass ratio Ni/Cu ≥ 0.5, and further 0.05% or more Si. The method for manufacturing the steel plate comprises the steps of: heating the above slab so that the surface temperature can reach or exceed a melting point of the Cu-Ni alloy having the same composition as the Ni/Cu mass ratio in the above steel, at least for a period of time when the slab is heated; cooling the heated slab until the surface temperature drops to the melting point of the Cu-Ni alloy or lower; then removing the scale by spouting water onto the slab; and hot-rolling the descaled slab into a predetermined plate thickness. The manufactured steel plate acquires a scale/metal mixture layer with a thickness of 5 to 30 μm, which consists of the surface scale layer and a mixture layer that exists in the vicinity of a boundary between the scale layer and a steel base metal and contains metallic fine particles formed of the Fe-Cu-Ni-based alloy dispersed in the scale.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种激光切割的钢板，其稳定地显示出优异的激光分辨率，并能够在夜间无人驾驶激光切割机，并提供其制造方法。钢板的质量比以质量％计含有0.03-0.50％的Cu，0.02-0.50％的Ni，同时满足Ni / Cu≥0.5的质量比和进一步的0.05％以上的Si。制造钢板的方法包括以下步骤：对上述钢板进行加热，以使表面温度达到或超过与上述钢中Ni / Cu质量比相同组成的Cu-Ni合金的熔点，至少在板坯加热的一段时间内; 冷却加热的板坯，直到表面温度下降到Cu-Ni合金的熔点以下; 然后通过将水喷射到板上去除垢; 并将所述除鳞的板坯热轧成预定的板厚。制造的钢板获得厚度为5〜30μm的鳞屑/金属混合物层，其由表层标准层和存在于鳞片层和钢基金属之间的边界附近的混合层组成，并且含有金属细颗粒由分散在氧化皮中的Fe-Cu-Ni基合金形成。版权所有（C）2006，JPO＆NCIPI

19. 发明专利

JP2009287086A High-strength thick steel plate having excellent arrest property in 45 degree direction to rolling direction and method for producing the same 有权
标题翻译：高强度厚钢板，具有45度方向的滚动方向的优质抛光特性及其制造方法
公开(公告)号：JP2009287086A
公开(公告)日：2009-12-10
申请号：JP2008140865
申请日：2008-05-29
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , KAWABATA TOMOYA
IPC分类号： C22C38/00 , C21D8/02 , C22C38/12 , C22C38/58
摘要： PROBLEM TO BE SOLVED: To provide a high-strength thick steel plate having excellent arrest properties in a 45° direction to the rolling direction. SOLUTION: Disclosed is a high-strength thick steel plate having a chemical composition comprising 0.01 to 0.12% C, ≤0.50% Si, 0.4 to 2% Mn, ≤0.05% P, ≤0.008% S, 0.002 to 0.05% Al, ≤0.01% N and 0.003 to 0.1% Nb, and the balance Fe with impurities, which satisfies [C+(Mn/6)+(Cu/15)+(Ni/15)+(Cr/5)+(Mo/5)+(V/5)]: 0.32 to 0.40%, and, in the central part of the plate thickness, the fraction of a ferritic structure of ≥80% and effective crystal grain size of ≤25 μm are satisfied, and further, the arithmetic average value of the total of the X-ray intensity ratios of the (321) face, the (211) face and the (110) face in the 45° direction at the 1/4 position of the plate thickness and the total of the X-ray intensity ratios of the (321) face, the (211) face and the (110) face in the 45° direction at the central part of the plate thickness is ≤3.3; wherein, the effective crystal grains denote the crystal grains in the case the grain boundary having an orientation difference of ≥15° is defined as a crystal grain boundary using an EBSP (Electron Back Scattering Pattern) process. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种在向轧制方向的45°方向上具有优异的止动性的高强度厚钢板。解决方案：公开了一种高强度厚钢板，其具有包含0.01〜0.12％C，≤0.50％Si，0.4〜2％Mn，≤0.05％P，≤0.008％S，0.002〜0.05％满足[C +（Mn / 6）+（Cu / 15）+（Ni / 15）+（Cr / 5）+（Mo））的Ni，≤0.01％N，0.003〜0.1％ / 5）+（V / 5）]：0.32〜0.40％，并且在板厚的中央部分，满足≥80％的铁素体组织的分数和≤25μm的有效晶粒尺寸，另外，平板厚度的1/4位置处的（321）面，（211）面和（110）面在45°方向上的X射线强度比的总和的算术平均值，以及板厚中心部分的（321）面，（211）面和（110）面在45°方向的X射线强度比的总和为≤3.3; 其中，在使用EBSP（电子反射散射图案）工艺将取向差为≥15°的晶界定义为晶粒边界的情况下，有效晶粒表示晶粒。版权所有（C）2010，JPO＆INPIT

20. 发明专利

JP2008050632A Steel for plastic molding die 有权
标题翻译：塑料模具用钢
公开(公告)号：JP2008050632A
公开(公告)日：2008-03-06
申请号：JP2006225565
申请日：2006-08-22
申请人： Sumitomo Metal Ind Ltd , 住友金属工業株式会社
发明人： KUBO SATOSHI , MAEDA TAKAO
IPC分类号： C22C38/00 , C22C38/06 , C22C38/54
摘要： PROBLEM TO BE SOLVED: To provide a steel for a plastic molding die, which enhances machinability without deteriorating surface properties after machining and can shorten the total die production time.
SOLUTION: The steel for a plastic molding die has a steel composition containing 0.25 to 0.50% C, 0.9 to 2.0% Si, 0.10 to 1.00% Mn, ≤0.025% P, 0.005 to 0.030% S, 0.007 to 0.06% Al, ≤0.006% N and 0.0001 to
摘要翻译：要解决的问题：提供一种用于塑料模具的钢，其加工机加工性而不会在加工后表面性能下降，并且可以缩短总模具生产时间。解决方案：用于塑料模具的钢具有含有0.25-0.50％C，0.9-2.0％Si，0.10-1.00％Mn，≤0.025％P，0.005-0.030％S，0.007-0.06％ Al，≤0.006％N，0.0001〜0.005％O（氧），余量为Fe与杂质，其中硫化物夹杂物的平均长度为20〜150μm，分布密度为1个/ ，布氏硬度为140〜240HBW。版权所有（C）2008，JPO＆INPIT

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