公开(公告)号：US5087415A

公开(公告)日：1992-02-11

申请号：US475773

申请日：1990-02-06

申请人： Raymond M. Hemphill ,  David E. Wert

发明人： Raymond M. Hemphill ,  David E. Wert

IPC分类号： C22C38/52

CPC分类号： C22C38/52

摘要： A high strength, high fracture toughness structural steel alloy consisting essentially of, in weight percent, about______________________________________ C 0.2-0.33 Cr 2-4 Ni 10.5-15 Mo 0.75-1.75 Co 8-17 Fe Balance ______________________________________ and an article made therefrom are disclosed. The alloy is an age-hardenable martensitic steel alloy whcih provides a unique combination of tensile strength and fracture toughness. The alloy provides excellent mechanical properties when hardened by vacuum heat treatment with inert gas cooling and has a low ductile-to-brittle transition temperature.

公开(公告)号：US5268044A

公开(公告)日：1993-12-07

申请号：US861977

申请日：1992-06-30

申请人： Raymond M. Hemphill ,  David E. Wert ,  Paul M. Novotny ,  Michael L. Schmidt

发明人： Raymond M. Hemphill ,  David E. Wert ,  Paul M. Novotny ,  Michael L. Schmidt

IPC分类号： C22C38/52

CPC分类号： C22C38/52

摘要： A high strength, high fracture toughness steel alloy consisting essentially of, in weight percent, about______________________________________ C 0.2-0.33 Mn 0.20 max. Si 0.1 max. P 0.008 max. S 0.004 max. Cr 2-4 Ni 10.5-15 Mo 0.75-1.75 Co 8-17 Ce Effective amount-0.030 La Effective amount-0.01 Fe Balance ______________________________________ and an article made therefrom are disclosed. A small but effective amount of calcium can be present in this alloy in substitution for some or all of the cerium and lanthanum. The alloy is an age-hardenable martensitic steel alloy which provides a unique combination of tensile strength and fracture toughness. The alloy provides excellent mechanical properties when hardened by vacuum heat treatment with inert gas cooling and has a low ductile-to-brittle transition temperature.

摘要翻译： PCT No.PCT / US91 / 00779 Sec。 371日期：1992年6月30日 102（e）日期1992年6月30日PCT 1991年2月5日PCT。一种高强度，高断裂韧性钢合金，其基本上由重量百分比组成，最大约为-C 0.2-0.33-Mn 0.20。 -Si 0.1最大 -P 0.008最大 -S 0.004最大 -C 2-4 - 10.5-15-Mo 0.75-1.75 -Co 8-17 -Ce有效量-0.030 -La有效量-01-Fe余量以及由其制成的制品。 在该合金中可以存在少量但有效量的钙以代替一些或全部铈和镧。 该合金是老化硬化的马氏体钢合金，提供了拉伸强度和断裂韧性的独特组合。 该合金通过用惰性气体冷却进行真空热处理而硬化并具有低的延性至脆性转变温度，提供优异的机械性能。

公开(公告)号：US4886640A

公开(公告)日：1989-12-12

申请号：US234901

申请日：1988-08-22

申请人： Harrison A. Garner, Jr. ,  Raymond M. Hemphill ,  John F. McGraw ,  Michael L. Schmidt ,  Bruce A. Smith ,  David E. Wert

发明人： Harrison A. Garner, Jr. ,  Raymond M. Hemphill ,  John F. McGraw ,  Michael L. Schmidt ,  Bruce A. Smith ,  David E. Wert

IPC分类号： C22C38/22 ,  C22C38/24

CPC分类号： C22C38/22 ,  C22C38/24

摘要： An improved hot work tool steel has higher hardness capability and better temper resistance above 1100 F. and better wear resistance than AISI type H13 and better toughness and ductility then AISI type H10 or type H21. The steel alloy contains essentially the following in weight percent:______________________________________ Carbon 0.55 Max. Manganese 1.5 Max. Silicon 2.0 Max. Chromium 3.5-6.0 Molybdenum 1.5-3.0 Vanadium 0.50-1.50 ______________________________________ and the balance is essentially iron except for the usual impurities found in commerical grades of hot work tool steels. Carbon and chromium are balanced within the composition such that% carbon.gtoreq.0.098.times.% chromium.

摘要翻译： 改进的热加工工具钢具有较高的硬度能力和高于1100°F的较好的回火韧性，耐磨性能优于AISI型H13，而且具有更好的韧性和延展性，然后AISI型H10或H21型。 钢合金基本上含有以下重量百分比： - 碳0.55最大。 - 锰1.5最大 - 硅2.0最大 - 铬3.5-6.0 - 钼1.5-3.0 - 钒0.50-1.50 - 余量基本上是铁，除了在工作级别的热作工具钢中发现的常见杂质。 碳和铬在组合物中是平衡的，使得％碳= 0.098x％的铬。

公开(公告)号：US4853181A

公开(公告)日：1989-08-01

申请号：US875648

申请日：1986-06-18

申请人： David E. Wert ,  Raymond M. Hemphill

发明人： David E. Wert ,  Raymond M. Hemphill

IPC分类号： C22C38/22 ,  C22C38/24

CPC分类号： C22C38/24 ,  C22C38/22

摘要： A hot work tool steel has high hardness capability and improved toughness when air cooled in section sizes of 6 inches (15.24 cm) or larger. The alloy steel which is deep air hardenable, has good dimensional stability and exceptional wear resistance, in its broad scope consists essentially of about 0.35-0.6 w/o carbon, 1.0 w/o max. manganese, 2.0 w/o max. silicon, 5.7-7.0 w/o chromium, 1.65-2.2 w/o molybdenum, 0.6-1.1 w/o vanadium, and the balance is iron except for the usual impurities found in commercial grades of such alloy steels.

公开(公告)号：US5866066A

公开(公告)日：1999-02-02

申请号：US706745

申请日：1996-09-09

申请人： Raymond M. Hemphill ,  David E. Wert ,  Paul M. Novotny ,  Michael L. Schmidt

发明人： Raymond M. Hemphill ,  David E. Wert ,  Paul M. Novotny ,  Michael L. Schmidt

IPC分类号： C22C38/00 ,  C21D6/00 ,  C21D9/42 ,  C22C38/10 ,  C22C38/52 ,  C22C38/30

CPC分类号： C21D9/42 ,  C21D6/007 ,  C22C38/105

摘要： An age hardenable martensitic steel alloy having a unique combination of very high strength and good toughness consists essentially of, in weight percent, about______________________________________ C 0.21-0.34 Mn 0.20 max. Si 0.10 max. P 0.008 max. S 0.003 max. Cr 1.5-2.80 Mo 0.90-1.80 Ni 10-13 Co 14.0-22.0 Al 0.1 max. Ti 0.05 max. Ce 0.030 max. La 0.010 max.______________________________________the balance essentially iron. In addition, cerium and sulfur are balanced so that the ratio Ce/S is at least about 2 and not more than about 15. A small but effective amount of calcium can be present in place of some or all of the cerium and lanthanum.

摘要翻译： 具有非常高的强度和良好韧性的独特组合的时效硬化马氏体钢合金基本上由重量百分数约为0.2-0.34-Mn 0.20最大。 - Si 0.10最大 - P 0.008最大 - S 0.003最大 - Cr 1.5-2.80 - Mo 0.90-1.80 - Ni 10-13 - Co 14.0-22.0 - Al 0.1 max。 - Ti 0.05最大 - Ce 0.030最大 - La 0.010最大 - 平衡基本上是铁。 此外，铈和硫是平衡的，使得Ce / S的比例为至少约2并且不超过约15.可以存在少量但有效量的钙代替一些或全部铈和镧。

公开(公告)号：US5002729A

公开(公告)日：1991-03-26

申请号：US389503

申请日：1989-08-04

申请人： David E. Wert ,  Raymond M. Hemphill

发明人： David E. Wert ,  Raymond M. Hemphill

IPC分类号： C22C38/00 ,  C22C38/30 ,  C22C38/52

CPC分类号： C22C38/30 ,  C22C38/52 ,  F16C2204/70 ,  F16C33/64

摘要： This invention provides a case hardening steel alloy and articles made therefrom which, when case hardened and heat treated, have high case hardness, corrosion resistance, high temperature capability and metal-to-metal wear resistance and high core ductility, impact toughness and fracture toughness. The alloy contains about 0.05-0.1 w/o C, 0.04 w/o max. N, 1.5 w/o max. Mn, 1 w/o max. Si, 11-15 w/o Cr, 1-3 w/o Mo, 1.5-3.5 w/o Ni, 3-8 w/o Co, 0.1-1 w/o V, and the balance Fe. In a preferred embodiment, the alloy is balanced according to Equation 1 (Eq.1) so that:______________________________________ 3(w/o Cr) + 6(w/o Si) + 2.5 (w/o Mo) + 6(w/o V) - 25(w/o C + N) - 6(w/o Ni) - 2(w/o Mn) - 2(w/o Co) - 21 .ltoreq. 0. ______________________________________

公开(公告)号：US20100108203A1

公开(公告)日：2010-05-06

申请号：US12609522

申请日：2009-10-30

申请人： Theodore Kosa ,  David E. Wert

发明人： Theodore Kosa ,  David E. Wert

IPC分类号： C21D9/00 ,  C22C38/50 ,  C21D8/02 ,  C22C38/44 ,  C22C38/48 ,  C22C38/42

CPC分类号： C21D9/0068 ,  C21D6/001 ,  C21D6/02 ,  C21D8/021 ,  C21D8/0226 ,  C21D8/0236 ,  C21D2211/008 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/42 ,  C22C38/44 ,  C22C38/48 ,  C22C38/50 ,  C22C38/54

摘要： A stainless steel strip article is disclosed. The article is formed from a corrosion resistant alloy having the following composition in weight percent, about: C0.03max. Mn1.0max. Si0.75max. P0.040max. S0.020max. Cr10.9-11.1 Ni10.9-11.1 Mo0.9-1.1 Ti1.5-1.6 Al0.25max. Nb0.7-0.8 Cu1max. B0.010max. N0.030max. The balance is iron and usual impurities. The elongated thin strip article provides a room temperature tensile strength of at least about 280 ksi in the solution treated and age hardened condition. A method of making the strip article and a method of using it to make a golf club are also disclosed.

摘要翻译： 公开了一种不锈钢带制品。 该制品由耐腐蚀合金形成，其具有以下重量百分比的组成，约：C 0.03最大。 Mn 1.0最大 Si 0.75最大 P最高0.040 S最大0.020 Cr 10.9-11.1 Ni 10.9-11.1 Mo 0.9-1.1 Ti 1.5-1.6 Al 0.25最大 Nb 0.7-0.8 Cu 1最大 B最大0.010 N 0.030最大 平衡是铁和常见的杂质。 细长的薄带制品在溶液处理和老化硬化条件下提供至少约280ksi的室温拉伸强度。 还公开了制造带状物品的方法和使用它制造高尔夫球杆的方法。

公开(公告)号：US06482354B1

公开(公告)日：2002-11-19

申请号：US09890039

申请日：2001-07-26

申请人： David E. Wert ,  Gregory J. Del Corso ,  Harrison A. Garner, Jr.

发明人： David E. Wert ,  Gregory J. Del Corso ,  Harrison A. Garner, Jr.

IPC分类号： C22C3822

CPC分类号： C22C38/60 ,  C21D1/25 ,  C21D6/04 ,  C22C33/0285 ,  C22C38/001 ,  C22C38/22 ,  C22C38/24 ,  C22C38/30 ,  C22C38/36 ,  C22C38/42 ,  C22C38/44 ,  C22C38/46 ,  C22C38/52 ,  C22C38/56

摘要： A tool steel alloy having a unique combination of hardness and toughness is disclosed. The alloy contains, in weight percent, about: wt. % C 1.85-2.30, Mn 0.15-1.0, Si 0.15-1.0, P 0.030 max., S 0-0.30, Cr 3.7-5.0, Ni+Cu 0.75 max., Mo 1.0 max., Co 6-12, W 12.0-13.5, V 4.5-7.5. The balance is essentially iron and usual impurities. The elements C, Cr, Mo, W, and V are balanced in this alloy such that −0.05≦&Dgr;C≦−0.42 where &Dgr;C=((0.033W)+(0.063Mo)+(0.06Cr)+(0.2V))−C. A powder metallurgy tool steel article made from consolidated alloy powder having the aforesaid weight percent composition provides a Rockwell C hardness of at least about 69.5 when heat treated.

摘要翻译： 公开了具有硬度和韧性独特组合的工具钢合金。 该合金以重量百分数计包含约： ％C 1.85-2.30，Mn 0.15-1.0，Si 0.15-1.0，P 0.030最大，S 0-0.30，Cr 3.7-5.0，Ni + Cu 0.75最大，Mo 1.0最大，Co 6-12，W 12.0 -13.5，V 4.5-7.5。 平衡基本上是铁和通常的杂质。 元素C，Cr，Mo，W和V在该合金中平衡，使得-0.05 <= DELTAC <= -0.42其中DELTAC =（（0.033W）+（0.063Mo）+（0.06Cr）+（0.2V ））-C。 由具有上述重量百分比组成的固结合金粉末制成的粉末冶金工具钢制品在热处理时提供至少约69.5的洛氏硬度。