JPH10503808A - 冷間加工された高強度鋼構造部材 - Google Patents
冷間加工された高強度鋼構造部材Info
- Publication number
- JPH10503808A JPH10503808A JP8505015A JP50501596A JPH10503808A JP H10503808 A JPH10503808 A JP H10503808A JP 8505015 A JP8505015 A JP 8505015A JP 50501596 A JP50501596 A JP 50501596A JP H10503808 A JPH10503808 A JP H10503808A
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- Prior art keywords
- strength
- structural member
- strength steel
- psi
- mechanical properties
- 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.)
- Granted
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
- B60G21/0551—Mounting means therefor
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
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- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
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- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
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- 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
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
- C21D7/10—Modifying the physical properties of iron or steel by deformation by cold working of the whole cross-section, e.g. of concrete reinforcing bars
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
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- 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
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
-
- 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
- C21D9/0093—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for screws; for bolts
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- 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
- C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/14—Torsion springs consisting of bars or tubes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/10—Mounting of suspension elements
- B60G2204/12—Mounting of springs or dampers
- B60G2204/122—Mounting of torsion springs
- B60G2204/1222—Middle mounts of stabiliser on vehicle body or chassis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/44—Centering or positioning means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
- B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
- B60G2204/45—Stops limiting travel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
- B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
- B60G2206/40—Constructional features of dampers and/or springs
- B60G2206/42—Springs
- B60G2206/427—Stabiliser bars or tubes
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/30—Stress-relieving
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- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/005—Ferrite
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- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
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- 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
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/009—Pearlite
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- 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
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S72/00—Metal deforming
- Y10S72/70—Deforming specified alloys or uncommon metal or bimetallic work
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Heat Treatment Of Steel (AREA)
- Forging (AREA)
- Metal Extraction Processes (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 特定の均一な断面形状を有する高強度鋼構造部材を製造する方法にして 、フェライト・パーライト・マイクロ組織を有し、引張り強度が少なくとも約1 20000psi、降伏強度が少なくとも約90000psiであり、重量%で 炭素 約0.30〜0.65% マンガン 約0.30〜2.5% アルミニウム、ニオブ、チタン、バナジウムおよびそれらの混合物から成 る群から選ばれた有効量最大約0.35%の少なくとも1種の微粒化剤 鉄 残部 である高強度鋼の素材を準備し、 該素材を圧延、据込み、鍛造または押出しによって冷間加工して均一断面を有 する構造部材を得る、各工程を含み、該均一断面は断面形状の全外周よりも小さ い厚さを有する少なくとも1つのフランジを含み、該少なくとも1つのフランジ は該構造部材の荷重負担能力を増大させるものであり、該構造部材の引張り強度 と降伏強度とを含む機械的性質は実質的に素材の機械的性質と同等以上であるこ とを特徴とする方法。 2. 請求項1に記載の方法にして、前記機械的性質を有する構造部材が、靭 性を改善するための追加の処理工程を要することなく製造されることを特徴とす る方法。 3. 請求項1に記載の方法にして、前記高強度鋼材料が、素材を製造するた めに、予め熱間減厚加工および冷間引抜き加工を受けていることを特徴とする方 法。 4. 請求項1に記載の方法にして、前記高強度鋼材料から成る素材が、少な くとも約150000psiの引張り強度と少なくとも約130000psiの 降伏強度とを有することを特徴とする方法。 5. 請求項1に記載の方法にして、前記高強度鋼材料が重量%で 炭素 約0.40〜0.55% マンガン 約0.30〜2.5% アルミニウム、ニオブ、チタン、バナジウムおよびそれらの混合物から成 る群から選ばれた有効量最大約0.20%の少なくとも1種の微粒化剤 鉄 残部 あることを特徴とする方法。 6. 請求項1に記載の方法にして、前記高強度鋼材料が重量%で 炭素 約0.50〜0.55% マンガン 約1.20〜1.65% アルミニウム、ニオブ、チタン、バナジウムおよびそれらの混合物から成 る群から選ばれた有効量約0.03〜0.20%の少なくとも1種の微粒 化剤 鉄 残部 あることを特徴とする方法。 7. 請求項1に記載の方法にして、前記冷間加工が約300°F未満の環境 温度で行われることを特徴とする方法。 8. 請求項1に記載の方法にして、前記機械的性質を有する構造部材が物理 的性質を変更するため温度範囲約450°F〜約1200°Fで応力除去を受け ることを特徴とする方法。 9. 請求項1に記載の方法にして、前記均一断面形状が、O、L、C、Z、 I、T、U、VおよびW字形からなる群から選択されることを特徴とする方法。 10.特定の均一断面形状を有する高強度鋼構造部材を製造する方法にして、 フェライト・パーライト・マイクロ組織を有して引張り強度が少なくとも約12 0000psi、降伏強度が少なくとも約90000psiであり、重量%で 炭素 約0.50〜約0.55% マンガン 約1.20〜約1.65% アルミニウム、ニオブ、チタン、バナジウムおよびそれらの混合物から成 る群から選ばれた有効量最大約0.20%の少なくとも1種の微粒化剤 鉄 残部 である高強度鋼材料を予め熱間減厚し冷間引抜き加工して前記強度を有する素材 として準備し、 該素材を環境温度で圧延、据込みまたは押出しによって冷間加工して均一断面 を有する構造部材を得る、各工程を含み、 該均一断面は断面形状の全外周より少ない厚さを有する少なくとも1つのフラ ンジを含み、該少なくとも1つのフランジは該構造部材の荷重負担能力を高める ものであり、 該均一断面はO、L、C、Z、I、T、U、VおよびW字形からなる群から選 択され、 該構造部材の機械的性質である引張り強度と降伏強度は実質的に素材の機械的 性質と同等以上であることを特徴とする方法。 11. 請求項10に記載の方法にして、高強度鋼の素材の引張り強度が少な くとも約150000psi、降伏強度が少なくとも約130000psiであ ることを特徴とする方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/276,217 US5496425A (en) | 1990-10-24 | 1994-07-15 | Cold formed high-strength steel structural members |
US08/276,217 | 1994-07-15 | ||
PCT/US1995/007615 WO1996002676A2 (en) | 1994-07-15 | 1995-06-16 | Cold formed high-strength steel structural members |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007193375A Division JP2008001992A (ja) | 1994-07-15 | 2007-07-25 | 高強度鋼構造部材の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10503808A true JPH10503808A (ja) | 1998-04-07 |
JP4063865B2 JP4063865B2 (ja) | 2008-03-19 |
Family
ID=23055697
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50501596A Expired - Fee Related JP4063865B2 (ja) | 1994-07-15 | 1995-06-16 | 高強度鋼構造部材の製造方法 |
JP2007193375A Pending JP2008001992A (ja) | 1994-07-15 | 2007-07-25 | 高強度鋼構造部材の製造方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007193375A Pending JP2008001992A (ja) | 1994-07-15 | 2007-07-25 | 高強度鋼構造部材の製造方法 |
Country Status (14)
Country | Link |
---|---|
US (1) | US5496425A (ja) |
EP (1) | EP0769073B1 (ja) |
JP (2) | JP4063865B2 (ja) |
KR (1) | KR970704894A (ja) |
AT (1) | ATE193063T1 (ja) |
AU (1) | AU693229B2 (ja) |
BR (1) | BR9508396A (ja) |
CA (1) | CA2193847C (ja) |
DE (1) | DE69517026T2 (ja) |
DK (1) | DK0769073T3 (ja) |
ES (1) | ES2146762T3 (ja) |
MX (1) | MXPA97000408A (ja) |
PT (1) | PT769073E (ja) |
WO (1) | WO1996002676A2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008001992A (ja) * | 1994-07-15 | 2008-01-10 | Consolidated Metal Products Inc | 高強度鋼構造部材の製造方法 |
JP2009263684A (ja) * | 2008-04-22 | 2009-11-12 | Nissan Motor Co Ltd | 鋼製部品の製造方法 |
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US5704998A (en) * | 1990-10-24 | 1998-01-06 | Consolidated Metal Products, Inc. | Hot rolling high-strength steel structural members |
EP0708842A1 (en) * | 1993-07-14 | 1996-05-01 | Consolidated Metal Products, Inc. | Warm forming high strength steel parts |
US5881594A (en) * | 1995-02-17 | 1999-03-16 | Sandia Corporation | Method and apparatus for imparting strength to a material using sliding loads |
US5928442A (en) * | 1997-08-22 | 1999-07-27 | Snap-On Technologies, Inc. | Medium/high carbon low alloy steel for warm/cold forming |
US6017274A (en) * | 1997-09-02 | 2000-01-25 | Automotive Racing Products, Inc. | Method of forming a fastener |
US5833777A (en) * | 1997-09-16 | 1998-11-10 | Intri-Plex Technologies, Inc. | Base plate for suspension assembly in a hard disk drive with a hardened flange and soft hub |
KR100528282B1 (ko) * | 1997-09-18 | 2005-11-15 | 콘솔리데이티드 메탈 프로덕츠, 인크. | 고강도 강 구조 부재의 제조방법 |
US6274200B1 (en) * | 1998-09-11 | 2001-08-14 | Boeing North American, Inc. | Method for preparing pre-coated ferrous-alloy components and components prepared thereby |
US6325874B1 (en) | 1999-12-03 | 2001-12-04 | Consolidated Metal Products, Inc. | Cold forming flat-rolled high-strength steel blanks into structural members |
US6488791B1 (en) * | 2001-07-03 | 2002-12-03 | Metalsa Roanoke Inc. | Method for strengthening a steel channel member |
US6749386B2 (en) | 2001-08-20 | 2004-06-15 | Maclean-Fogg Company | Locking fastener assembly |
US6852181B2 (en) * | 2001-10-23 | 2005-02-08 | Consolidated Metal Products, Inc. | Flattened U-bolt and method |
DE10247372A1 (de) | 2002-10-10 | 2004-04-22 | Rexroth Star Gmbh | Verfahren zur Herstellung von gehärteten, insbesondere wälzbeanspruchten, Bauteilen aus Stahl |
US20040103595A1 (en) * | 2002-12-02 | 2004-06-03 | Glatfelter David Michael | Quickwall integrated building shell system |
US8833039B2 (en) | 2011-09-23 | 2014-09-16 | Consolidated Metal Products, Inc. | Hot-rolled high-strength steel truck frame rail |
US8830580B2 (en) | 2011-10-27 | 2014-09-09 | Eastman Kodak Company | Low thermal stress catadioptric imaging optics |
US9027309B2 (en) | 2012-01-09 | 2015-05-12 | Consolidated Metal Products, Inc. | Welded hot-rolled high-strength steel structural members and methods |
US9144833B2 (en) | 2013-03-14 | 2015-09-29 | The Electric Materials Company | Dual-phase hot extrusion of metals |
US9844806B2 (en) | 2013-03-14 | 2017-12-19 | The Electric Materials Company | Dual-phase hot extrusion of metals |
CN110616379A (zh) * | 2019-09-27 | 2019-12-27 | 邯郸钢铁集团有限责任公司 | 一种q345c钢及其生产方法 |
Family Cites Families (28)
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1994
- 1994-07-15 US US08/276,217 patent/US5496425A/en not_active Expired - Lifetime
-
1995
- 1995-06-16 WO PCT/US1995/007615 patent/WO1996002676A2/en not_active Application Discontinuation
- 1995-06-16 CA CA002193847A patent/CA2193847C/en not_active Expired - Lifetime
- 1995-06-16 MX MXPA97000408A patent/MXPA97000408A/es active IP Right Grant
- 1995-06-16 EP EP95923897A patent/EP0769073B1/en not_active Expired - Lifetime
- 1995-06-16 AU AU28610/95A patent/AU693229B2/en not_active Ceased
- 1995-06-16 DE DE69517026T patent/DE69517026T2/de not_active Expired - Lifetime
- 1995-06-16 DK DK95923897T patent/DK0769073T3/da active
- 1995-06-16 AT AT95923897T patent/ATE193063T1/de not_active IP Right Cessation
- 1995-06-16 ES ES95923897T patent/ES2146762T3/es not_active Expired - Lifetime
- 1995-06-16 BR BR9508396A patent/BR9508396A/pt not_active IP Right Cessation
- 1995-06-16 PT PT95923897T patent/PT769073E/pt unknown
- 1995-06-16 JP JP50501596A patent/JP4063865B2/ja not_active Expired - Fee Related
- 1995-06-16 KR KR1019970700244A patent/KR970704894A/ko active Search and Examination
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2007
- 2007-07-25 JP JP2007193375A patent/JP2008001992A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008001992A (ja) * | 1994-07-15 | 2008-01-10 | Consolidated Metal Products Inc | 高強度鋼構造部材の製造方法 |
JP2009263684A (ja) * | 2008-04-22 | 2009-11-12 | Nissan Motor Co Ltd | 鋼製部品の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US5496425A (en) | 1996-03-05 |
WO1996002676A2 (en) | 1996-02-01 |
KR970704894A (ko) | 1997-09-06 |
CA2193847A1 (en) | 1996-02-01 |
DK0769073T3 (da) | 2000-08-14 |
ES2146762T3 (es) | 2000-08-16 |
MXPA97000408A (es) | 2005-05-19 |
WO1996002676A3 (en) | 1996-12-19 |
JP4063865B2 (ja) | 2008-03-19 |
JP2008001992A (ja) | 2008-01-10 |
EP0769073B1 (en) | 2000-05-17 |
DE69517026D1 (de) | 2000-06-21 |
BR9508396A (pt) | 1997-11-18 |
WO1996002676A8 (en) | 2003-04-24 |
PT769073E (pt) | 2000-09-29 |
ATE193063T1 (de) | 2000-06-15 |
EP0769073A1 (en) | 1997-04-23 |
DE69517026T2 (de) | 2001-01-25 |
CA2193847C (en) | 2000-08-08 |
AU2861095A (en) | 1996-02-16 |
AU693229B2 (en) | 1998-06-25 |
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