JOHN T MAGEE
Vehicle Board in Reading, PA

5482674, Jan 9, 1996

Jul 7, 1994

8/271199

Theodore Kosa - Reading PA
John H. Magee - Reading PA
James W. Martin - Sinking Spring PA
Ronald P. Ney - Reading PA

CRS Holdings, Inc. - Wilmington DE

C22C 3840, C22C 3860

420 42

An austenitic, stainless steel alloy having a unique combination of machinability and a low magnetic permeability, especially in the cold worked condition, is disclosed consisting essentially of, in weight percent, about ______________________________________ C 0. l035 max Mn 1. 0-4. 0 Si 1. 0 max P 0. 2 max S 0. 15-0. 45 Cr 16. 0-20. 0 Ni 9. 2-12. 0 Mo 1. 5 max Cu 0. 8-2. 0 N 0. 035 max Se 0. 1 max ______________________________________ with the balance essentially iron.

5837190, Nov 17, 1998

Dec 17, 1996

8/750688

Theodore Kosa - Reading PA
John H. Magee - Reading PA
James W. Martin - Sinking Spring PA
Ronald P. Ney - Reading PA

CRS Holdings, Inc. - Wilmington DE

C22C 3842

420 42

The present invention relates to an austenitic stainless steel alloy and in particular to a resulfurized austenitic stainless steel alloy, and an article made therefrom, having a unique combination of corrosion resistance, machinability and low magnetic permeability, especially in the cold worked condition.

5788922, Aug 4, 1998

May 2, 1996

8/641758

John H. Magee - Reading PA

CRS Holdings, Inc. - Wilmington DE

C22C 3858

420 42

An austenitic, stainless steel alloy is disclosed consisting essentially of, in weight percent, about ______________________________________ C 0. 035 max Mn 3-10 Si 1. 0 max P 0. 05 max S 0. 15-0. 45 Cr 10-20 Ni 4-8 Mo 1. 0 max Cu 1. 0-3. 0 N 0. 035 max B 0. 005 max Se 0. 1 max ______________________________________ with the balance essentially iron. The disclosed stainless steel provides superior machinability relative to AISI Type 203 stainless steel with similar corrosion resistance, strength, ductility, hardness, and magnetic permeability.

4818484, Apr 4, 1989

Nov 26, 1986

6/935116

Terry A. DeBold - Wyomissing PA
John H. Magee - Reading PA
Norman B. Schmidt - Reading PA

Carpenter Technology Corporation - Reading PA

C22C 3844

420 46

A large, austenitic, non-magnetic, stainless steel, alloy article which has been significantly warm worked between about 1500 F. and 1650 F. but not subsequently annealed, which has a 0. 2% yield strength of at least about 90 ksi, and which, when formed into a U-bend, does not undergo stress corrosion cracking within about 700 hours in boiling saturated aqueous sodium chloride containing 2 weight percent (w/o) ammonium bisulfite. The alloy of the article consists essentially of about: ______________________________________ Elements w/o ______________________________________ C 0. 1 Max. Mn 1-11 Si 0. 6 Max. Cr 18-23 Ni 14-25 Mo 2. 5-6. 5 Cu 2 Max. B. 01 Max.

4554028, Nov 19, 1985

Dec 13, 1983

6/560932

Terry A. DeBold - Wyomissing PA
John H. Magee - Reading PA
Norman B. Schmidt - Reading PA

Carpenter Technology Corporation - Reading PA

C22C 3858

148 38

A large, austenitic, non-magnetic, stainless steel, alloy article which has been significantly warm worked between about 1500. degree. F. and 1650. degree. F. but not subsequently annealed, which has a 0. 2% yield strength of at least about 90 ksi, and which, when formed into a U-bend, does not undergo stress corrosion cracking within about 700 hours in boiling saturated aqueous sodium chloride containing 2 weight percent (w/o) ammonium bisulfite. The alloy of the article consists essentially of about: ______________________________________ Elements w/o ______________________________________ C 0. 1 Max. Mn 1-11 Si 0. 6 Max. Cr 18-23 Ni 14-25 Mo 2. 5-6. 5 Cu 2 Max. B. 01 Max.

4814140, Mar 21, 1989

Jun 16, 1987

7/062899

John H. Magee - Reading PA

Carpenter Technology Corporation - Reading PA

C22C 3840

420 56

A galling and corrosion resistant austenitic stainless steel alloy is disclosed containing in weight percent about ______________________________________ w/o ______________________________________ Carbon 0. 25 Max. Manganese 2. 0-7. 0 Silicon 1. 0-5. 0 Phosphorus 0. 05 Max. Sulfur 0. 3 Max. Chromium 12-20 Nickel 2. 0-7. 75 Molybdenum 3 Max. Copper 3 Max. Nitrogen 0. 35 Max. ______________________________________ the balance being essentially iron. To attain its unique properties the alloy must be balanced so as to contain no more than about 10% ferrite. The % Ni+1/2(% Mn) must not be less than 5. 5% and not greater than 1/8[11(% Si)+42], and the sum of the (% C+% N) is at least 0. 15%.

2007002, Feb 1, 2007

Jul 29, 2005

11/192246

John Magee - Reading PA, US

C22C 38/22

420061000

A corrosion resistant, martensitic steel alloy having very good cold formability is described. The alloy has the following weight percent composition. The balance of the alloy is essentially iron. Nickel and copper are balanced in the alloy such that the ratio Ni/Cu is less than 0.2. A second embodiment of the alloy contains at least about 0.005% sulfur, selenium, or a combination thereof to provide good machinability.

5512238, Apr 30, 1996

Jun 7, 1995

8/473412

Theodore Kosa - Reading PA
John H. Magee - Reading PA

CRS Holdings, Inc. - Wilmington DE

C22C 3842

420 49

An austenitic, stainless steel alloy consists essentially of, in weight percent, about: ______________________________________ C 0. 030 max Mn 2. 0 max Si 1. 0 max P 0. 05 max S 0. 02-0. 05 Cr 16. 0-20. 0 Ni 9. 8-14. 0 Mo 3. 0 max Cu 0. 8-1. 5 N 0. 035 max ______________________________________ up to about 0. 75 weight percent of an element selected from the group consisting of Ti and Cb, and the balance is essentially iron, wherein Cb is not more than about 0. 1 weight percent when Ti. gtoreq. (5. times. % C. ) and Ti is not more than about 0. 1 weight percent when Cb. gtoreq. (10. times. % C. ). The alloy provides a unique combination of machinability, corrosion resistance, formability, and mechanical properties.