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    • 2. 发明公开
    • 초소형 저장용기 제조장치 및 제조방법
    • 紧凑型储存容器制造设备和制造方法
    • KR1020150132748A
    • 2015-11-26
    • KR1020140058974
    • 2014-05-16
    • 장성진
    • 장성진
    • B65D1/02B21C23/08B24B31/02C21D1/28B21D22/00
    • B65D1/02B21C23/08B21D22/00B21D51/18B24B31/02B29C47/08C21D1/28
    • 본발명은초소형저장용기제조장치및 제조방법에관한것으로, 더욱상세하게는원자재를압출함에따라봉으로성형시키기위한압출부, 압출된봉을이송하며, 일정길이로절단시켜단위부재를제작하는절단부, 절단된다수의단위부재를연마부재를갖는연마용기에수납후, 연마용기를회전시켜표면을연마시키는연마부, 표면이연마된단위부재를가열로에수납하여가열시킨후, 상온이되도록자연냉각시켜내부응력을제거하기위한노멀라이징부, 내부응력이제거된단위부재를고정시킨후, 일단내부를타단방향으로압입시켜내부에일단방향으로개방된저장공간부를형성한다음, 일단부를중심축방향으로가압하여목을갖는저장용기를성형하는성형부, 및저장용기를가열시킨후, 급냉시켜경화시키는경화부,를포함하여이루어진다. 상기와같은본 발명에의하면, 봉형의원자재에저장공간부와이 저장공간부의개방된부분이협소해지는목을용이하게형성할수 있음은물론, 세척과광택작업도용이하게할 수있어작업효율을향상시킬수 있다.
    • 本发明涉及一种用于制造微型储存容器的装置和方法,更具体地说,涉及一种用于制造微型储存容器的装置,包括:通过挤出将原料成形为棒材的挤出部分; 切割部分,其输送挤出的杆并通过以一定长度切割杆来制造单元构件; 抛光部件,其在具有抛光部件的抛光装置中输入多个切割单元部件之后旋转抛光装置来抛光单元部件的表面; 标准化部件,其通过将单元部件放置在加热炉中来加热表面被抛光的单元部件之后,通过将单元部件自然冷却至室温来去除内部应力; 形成部件,其通过在形成一个端部朝向中心轴的一端之间形成储存空间部分而形成瓶颈,所述储存空间部分通过在将单元构件 内部应力已经消除; 以及硬化部,其通过在加热存储容器之后快速冷却存储容器来硬化存储容器。 根据本发明,能够容易地在棒状原料中形成储藏空间部的开口变窄的储藏空间部和瓶颈,能够容易地进行清洗和抛光加工,从而提高作业效率。
    • 3. 发明公开
    • 압력용기용 강재 및 그 제조 방법
    • 用于压力容器的钢和制造钢的方法
    • KR1020140141839A
    • 2014-12-11
    • KR1020130062716
    • 2013-05-31
    • 현대제철 주식회사
    • 박기정고상기김규태윤동현이태호장상현
    • C21D8/00C22C38/00B21B3/00C21D6/00
    • C21D8/0226C21D1/28C22C38/02C22C38/24C22C38/26C22C38/28C22C38/38
    • 티타늄(Ti) 및 니오븀(Nb)의 첨가를 통해 탄화물을 미세 분산하여 강중의 수소트랩사이트로 작용하게 함으로써, 수소의 확산속도를 감소시키고 내수소취화 특성이 우수한 압력용기용 강재 및 그 제조 방법에 대하여 개시한다.
      본 발명에 따른 압력용기용 강재는 (a) 탄소(C) : 0.08 ~ 0.15 중량%, 실리콘(Si) : 0.4 ~ 0.8 중량%, 망간(Mn) : 1.5 중량% 이하, 인(P) : 0.02 중량% 이하, 황(S) : 0.005 중량% 이하, 티타늄(Ti) : 0.005 중량% 이하, 니오븀(Nb) : 0.02 중량% 이하, 크롬(Cr) : 1.5 중량% 이하, 몰리브덴(Mo) : 1.1 중량% 이하 및 나머지 철(Fe)과 불가피한 불순물로 이루어지는 강 슬라브를 1080 ~ 1180℃에서 재가열하는 단계; (b) 상기 재가열된 강 슬라브를 마무리 압연온도(FRT, Finish Rolling Temperature) : 880 ~ 980℃로 열간압연하는 단계; (c) 상기 열간압연된 강재를 노멀라이징 열처리를 실시하는 단계; (d) 상기 노멀라이징된 강재를 냉각하는 단계; 및 (e) 상기 노멀라이징된 강을 템퍼링하는 단계;를 포함하는 것을 특징으로 한다.
    • 公开了一种压力容器用钢材,其通过添加钛(Ti)和铌(Nb)来使碳化物微细分散,使得碳化物能够用作氢阱位置,以降低氢的扩散速度并具有优异的耐氢脆性; 及其制造方法。 根据本发明,制造用于压力容器的钢材的方法包括:(a)将0.08-0.15重量%的碳(C),0.4-0.8重量%的硅(Si), 等于或小于1.5重量%的锰(Mn),等于或小于0.02重量%的磷(P),等于或小于0.005重量%的硫(S),等于或小于0.005重量% 的钛(Ti)等于或小于0.02重量%的铌(Nb),等于或小于铬(Cr)的1.5重量%,等于或小于钼(Mo)的1.1重量%,以及 余量由铁(Fe)和不可避免的杂质组成,温度范围为1080-1180℃; (b)在880-980℃范围内的精轧温度(FRT)下热轧再热钢坯; (c)对热轧钢材进行正火和热处理; (d)冷却归一化的钢材; (e)回火正火钢。
    • 6. 发明公开
    • 압력용기 강재 제조 방법
    • 钢和钢的制造方法
    • KR1020140003009A
    • 2014-01-09
    • KR1020120070306
    • 2012-06-28
    • 현대제철 주식회사
    • 박기정김규태윤동현고상기
    • C21D8/02C22C38/00C21D9/46
    • C22C38/002C21D1/28C21D8/0226C21D9/46C22C38/02C22C38/04C22C38/06C22C38/42C22C38/48C22C38/54
    • Disclosed are steel materials for pressure containers capable of suppressing hydrogen-induced cracking (HIC) by hydrogen sulfide (H2S) contained in a crude oil through a control of alloy compositions and process conditions together with a manufacturing method thereof. The manufacturing method of steel materials for pressure containers according to the present invention is characterized by comprising; (a) a step of reheating to a SRT(Slab Reheating Temperature) : 1100 ~ 1250°C of steel slabs containing in weight %; carbon (C) : 0.14 ~ 0.18%, silicon (Si) : 0.3 ~ 0.4%, manganese (Mn) : 1.1 ~ 1.3%, soluble aluminum (S_Al) : 0.01 ~ 0.05%, copper (Cu) : 0.1 ~ 0.2%, niobium (Nb) : 0.01 ~ 0.02%, boron (B) : 0.0001 ~ 0.0005%, nickel (Ni) : 0.15 ~ 0.25%, chromium (Cr) : 0.15 ~ 0.25%, calcium (Ca) : 0.0015 ~ 0.0040%, nitrogen (N) : less than 0.005% , hydrogen (H) : less than 0.0003% in addition a balance of iron (Fe) and unavoidable impurities; and (b) a step of hot-rolling of the reheated steel slabs under a condition of FRT(Finish Rolling Temperature) : 850 ~ 950°C ; and (c) a step of first cooling of the hot-rolled steel slabs; and (d) a step of normalizing heat treatment of the first cooled steel; and (e) a step of second cooling by the normalizing heat treated steel materials in a vertical stacking. [Reference numerals] (AA) START; (BB) END; (S110) Slb reheating (SRT : 1100 ~ 1250°C); (S120) Hot rolling (FDT : 850 ~ 950°C); (S130) Primary cooling (air cooling); (S140) Normalizing heat treatment (840 ~ 940°C); (S150) Secondary cooling (40 ~ 110°C/hr)
    • 公开了一种能够通过控制合金组成和工艺条件,通过控制原油中的硫化氢(H 2 S)来抑制氢致裂纹(HIC)的压力容器的钢材及其制造方法。 根据本发明的用于压力容器的钢材的制造方法的特征在于包括: (a)重新加热到SRT(板坯再加热温度)的步骤:1100〜1250℃的含有重量%的钢板; 碳(C):0.14〜0.18%,硅(Si):0.3〜0.4%,锰(Mn):1.1〜1.3%,可溶性铝(S_Al):0.01〜0.05%,铜(Cu):0.1〜0.2% ,铌(Nb):0.01〜0.02%,硼(B):0.0001〜0.0005%,镍(Ni):0.15〜0.25%,铬(Cr):0.15〜0.25%,钙(Ca):0.0015〜0.0040% ,氮(N):小于0.005%,氢(H):小于0.0003%,余量为铁(Fe)和不可避免的杂质; 和(b)在FRT(精轧温度):850〜950℃的条件下,对再热钢坯进行热轧的工序; 和(c)首先冷却所述热轧钢板的工序; 和(d)使第一冷却钢的热处理标准化的步骤; 和(e)在垂直堆叠中由归一化热处理钢材进行第二次冷却的步骤。 (附图标记)(AA)START; (BB)END; (S110)Slb再加热(SRT:1100〜1250℃); (S120)热轧(FDT:850〜950℃); (S130)一次冷却(空气冷却); (S140)归一化热处理(840〜940℃); (S150)二次冷却(40〜110℃/小时)
    • 7. 发明公开
    • 열연강판 및 그 제조 방법과, 이를 이용한 강관 제조 방법
    • 热轧钢板,制造热轧钢板的方法和使用热轧钢板制造油管国家产品的方法
    • KR1020130134331A
    • 2013-12-10
    • KR1020120057776
    • 2012-05-30
    • 현대제철 주식회사
    • 정준호이승하김성주박영국임갑수천부현
    • C21D8/02C22C38/00C21D9/46C22C38/12
    • C21D8/0226C21D1/28C21D8/0263C22C38/001C22C38/002C22C38/02C22C38/04C22C38/06C22C38/12
    • Disclosed are a hot-rolled steel sheet, a manufacturing method thereof which can be normalized at low temperatures by controlling alloy elements and process conditions, and a method for manufacturing a steel pipe using the hot-rolled steel sheet. The manufacturing method of the hot-rolled steel sheet according to the present invention comprises the steps of: reheating a slab composed of 0.20-0.35 wt.% of C, 0.15-0.30 wt.% of Si, 1.2-2.0 wt.% of Mn, 0.2-0.3 wt.% of V, 0.02-0.05 wt.% of Al, 0.015 wt.% or less of P, 0.005 wt.% or less of S, 0.002 wt.% or less of Ca, 0.008 wt.% or less of N, and the rest of Fe and inevitable impurities; hot-rolling the reheated slab; and cooling the hot-rolled slab, and coiling the slab at 550-620°C, which is a coiling temperature (CT). [Reference numerals] (AA) START;(BB) END;(S110) Slab reheating (SRT : 1150-1300°C);(S120) Hot-rolling ((FDT : 840-880°C);(S130) Cooling/coiling(CT : 600-660°C)
    • 公开了一种热轧钢板,其制造方法可以通过控制合金元素和加工条件在低温下进行归一化,以及使用该热轧钢板的钢管的制造方法。 根据本发明的热轧钢板的制造方法包括以下步骤:将由0.20-0.35重量%的C,0.15-0.30重量%的Si,1.2-2.0重量%的Si, Mn,0.2-0.3重量%的V,0.02-0.05重量%的Al,0.015重量%以下的P,0.005重量%以下的S,0.002重量%以下的Ca,0.008重量% %以下的N,剩余的Fe和不可避免的杂质; 热轧再热板; 并冷却该热轧板坯,并以550-620℃(即卷取温度)卷取板坯。 (标号)(AA)START;(BB)END;(S110)板坯再加热(SRT:1150-1300℃);(S120)热轧((FDT:840-880℃));(S130)冷却 /卷取(CT:600-660℃)
    • 8. 发明公开
    • 강판 및 그 제조 방법
    • 钢板及其制造方法
    • KR1020130120346A
    • 2013-11-04
    • KR1020120043524
    • 2012-04-25
    • 현대제철 주식회사
    • 권승오이동진
    • C21D8/02C22C38/00C21D9/46
    • C21D8/0226C21D1/28C21D8/0273C22C38/001C22C38/02C22C38/04C22C38/06C22C38/12
    • Disclosed is a steel sheet which has excellent high strength and center impact values at low temperatures suitable for a hull of a ship by controlling alloy components and process conditions, and a steel sheet manufacturing method. The steel sheet manufacturing method according to the present invention comprises: a step for reheating a slab sheet material at the slab reheating temperature (SRT) of 1120-1170; a step for finish-rolling the reheated sheet material at 840-880; (c) a step for winding the hot-rolled sheet material at the finish rolling temperature (FRT) of 600-660; a step for air-cooling the finish-rolled sheet material; and a step for normalizing-heat-treating the cooled sheet material at 890-920; wherein the slab sheet material is composed of, in wt%: C: 0.065-0.100; Si: 0.15-0.35; Mn: 1.0-1.5; C: 0.2-2.0; P: 0.035 or less; S: 0.035 or less; Al: 0.015 or less; Nb: 0.01-0.02; V: 0.001-0.015; N: 0.006 or less; and the remainder Fe and other inevitable impurities.
    • 本发明公开了一种钢板,其通过控制合金成分和加工条件,在适于船体的低温下具有优异的高强度和中心冲击值,以及钢板的制造方法。 根据本发明的钢板制造方法包括:在1120-1170的板坯再加热温度(SRT)下重新加热板坯材料的步骤; 在840-880℃下对再热片材进行精轧的步骤; (c)在600-660的精轧温度(FRT)下卷绕热轧板材的工序; 对精轧板材进行空气冷却的工序; 以及在890-920标准化 - 冷却的片材的热处理步骤; 其中所述板坯材料以重量%:C:0.065-0.100; Si:0.15-0.35; Mn:1.0-1.5; C:0.2-2.0; P:0.035以下; S:0.035以下; Al:0.015以下; Nb:0.01-0.02; V:0.001-0.015; N:0.006以下; 余量为Fe等不可避免的杂质。
    • 9. 发明公开
    • 강재 및 그 제조 방법
    • 钢和钢的制造方法
    • KR1020130034197A
    • 2013-04-05
    • KR1020110098094
    • 2011-09-28
    • 현대제철 주식회사
    • 박기정고상기김규태전영민한종만황성두
    • C21D8/02C22C38/00C22C38/48C22C38/50
    • C21D8/0226C21D1/28C21D8/0263C22C38/02C22C38/04C22C38/06C22C38/26C22C38/28
    • PURPOSE: A steel material and a manufacturing method thereof are provided to prevent the grain growth of austenite by adding Ti and Nb causing a pinning effect in order to form a modified carbonitride. CONSTITUTION: A manufacturing method for a steel material is as follows: a step of reheating a steel slab composed of 0.14-0.18wt% of C, 0.3-0.4wt% of Si, 1.0-1.3wt% of Mn, 0.02wt% or less of P, 0.005wt% or less of S, 0.01-0.05wt% of available Al, 0.01-0.02wt% of Nb, 0.2-0.3wt% of Cr, 0.001-0.005wt% of Ti, 0.005wt% or less of N, and the rest of Fe and other impurities(S110); a step of hot-rolling the reheated steel slab(S120); a step of cold-rolling the hot-rolled slab(S130); and a step of normalizing the cold steel(S140). [Reference numerals] (AA) Start; (BB) End; (S110) Slab reheating(SRT: 1100-1250°C); (S120) Hot rolling(FDT: 850-950°C); (S130) Cooling; (S140) Normalizing;
    • 目的:提供一种钢材及其制造方法,通过添加Ti和Nb来形成改性碳氮化物,以防止奥氏体晶粒生长引起钉扎效应。 构成:钢材的制造方法如下:将由0.14-0.18重量%C,0.3-0.4重量%Si,1.0-1.3重量%Mn,0.02重量%或者 少量的P,0.005重量%以下的S,0.01〜0.05重量%的有效Al,0.01-0.02重量%的Nb,0.2〜0.3重量%的Cr,0.001-0.005重量%的Ti,0.005重量%以下 的N,其余的Fe和其他杂质(S110); 对再热钢板进行热轧的工序(S120)。 冷轧板坯的工序(S130)。 和冷轧钢的标准化步骤(S140)。 (附图标记)(AA)开始; (BB)结束; (S110)板坯再加热(SRT:1100-1250℃); (S120)热轧(FDT:850-950℃); (S130)冷却; (S140)归一化;