Clad alloy substrates and method for making same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B23P-011/00
B32B-015/00
B32B-015/01
B32B-015/18
C22F-001/10
B23K-020/227
B23K-033/00
B23K-020/04
출원번호
US-0757924
(2013-02-04)
등록번호
US-8813342
(2014-08-26)
발명자
/ 주소
Bergstrom, David S.
Schott, Kris J.
Tarhay, Mark A.
출원인 / 주소
ATI Properties, Inc.
대리인 / 주소
K & L Gates LLP
인용정보
피인용 횟수 :
0인용 특허 :
47
초록▼
A method for producing a single-clad or multiple-clad product includes providing a welded assembly comprising a cladding material disposed on a substrate material. Both the substrate material and the cladding material are individually selected alloys. At least a first edge of the cladding material o
A method for producing a single-clad or multiple-clad product includes providing a welded assembly comprising a cladding material disposed on a substrate material. Both the substrate material and the cladding material are individually selected alloys. At least a first edge of the cladding material of the welded assembly does not extend to a first edge of the substrate material and thereby provides a margin between the first edges. A material that is an alloy having hot strength greater than the cladding material is within the margin and adjacent the first edge of the cladding material. The welded assembly is hot rolled to provide a hot rolled band, and the material within the margin inhibits the cladding material from spreading beyond the edge of the substrate material during the hot rolling. In certain embodiments of the methods, the substrate material is stainless steel and the cladding material is nickel or a nickel alloy.
대표청구항▼
1. A method for producing a clad product, the method comprising: providing a welded assembly comprising an alloy cladding material plate disposed on a steel plate, and one or more framing elements of an alloy material comprising a hot strength greater than the cladding material plate, wherein in the
1. A method for producing a clad product, the method comprising: providing a welded assembly comprising an alloy cladding material plate disposed on a steel plate, and one or more framing elements of an alloy material comprising a hot strength greater than the cladding material plate, wherein in the welded assembly a peripheral edge of the cladding material plate does not at any point extend to a peripheral edge of the steel plate, thereby defining a margin between the peripheral edge of the cladding material plate and the peripheral edge of the steel plate,wherein each framing element is disposed in the margin and is directly against the peripheral edge of the cladding material plate and defines a seam between the framing elements and the entire peripheral edge of the cladding material plate, and the alloy material and the cladding material plate are welded together along the seam; andwherein each framing element extends to the peripheral edge of the steel plate and is welded to the steel plate; andwherein in the welded assembly, a surface of the cladding material plate is substantially coplanar with a surface of the each framing element disposed in the margin; andhot rolling the welded assembly to provide a hot rolled band, wherein each framing element inhibits the cladding material plate from spreading beyond the edge of the steel plate during the hot rolling. 2. The method of claim 1, wherein the welded assembly is welded together completely around the seam. 3. The method of claim 1, wherein the steel plate is selected from the group consisting of stainless steel and carbon steel. 4. The method of claim 1, wherein the steel plate is selected from the group consisting of T-316L stainless steel, T-316 stainless steel, T-304L stainless steel, and T-304 stainless steel. 5. The method of claim 1, wherein the cladding material plate is selected from the group consisting of nickel, a nickel alloy, copper, a copper alloy, and a stainless steel. 6. The method of claim 1, wherein the cladding material plate is selected from UNS N02200 nickel and UNS N02201 nickel. 7. The method of claim 1, wherein the alloy material is selected from the group consisting of stainless steel, a nickel-base superalloy, and a cobalt-base superalloy. 8. The method of claim 1, wherein the alloy material is selected from the group consisting of T-316L stainless steel and T-304 stainless steel. 9. The method of claim 1 further comprising: optionally annealing the hot rolled band; andcold rolling the hot rolled band to a clad strip having a desired gauge. 10. The method of claim 9, wherein cold rolling the hot rolled band to a clad strip having a desired gauge comprises two or more steps of cold rolling, wherein the cold rolled strip is annealed intermediate successive steps of cold rolling. 11. The method of claim 9, wherein the cold rolled strip is bright annealed intermediate at least two successive steps of cold rolling. 12. The method of claim 1, wherein the clad product is a dual-clad product and the welded assembly comprises two cladding material plates, one of the cladding material plates being disposed on each of the opposed surfaces of the steel plate. 13. The method of claim 1, wherein the cladding material plate is nickel UNS N02201 nickel, the steel plate is T-316L stainless steel, and the alloy material is selected from T-316L stainless steel and T-304 stainless steel. 14. A method of making an article of manufacture, the method comprising: making a clad product by the method of claim 1; andfabricating the clad product into the article of manufacture. 15. The method of claim 14 wherein the article of manufacture is selected from the group consisting of a cistern, a chimney flue, a battery, tubing, a heat exchanger, a pipe, a tank, and an item of cookware. 16. A method for producing a clad stainless steel, the method comprising: providing a welded assembly comprising disposing an alloy cladding material plate on a stainless steel plate, wherein a peripheral edge of the cladding material plate does not at any point extend to a peripheral edge of the stainless steel plate and thereby provides a margin on the stainless steel plate,disposing at least one framing element within the margin and directly against the entire peripheral edge of the cladding material plate, wherein each framing element extends to the peripheral edge of the stainless steel plate and is an alloy having greater hot strength than the cladding material plate, and wherein a surface of the cladding material plate is substantially coplanar with a surface of each framing element;welding the cladding material plate to each framing element, andwelding each framing element to the stainless steel plate; andhot rolling the welded assembly to provide a hot rolled band, wherein the at least one framing element inhibits the cladding material plate from spreading beyond the peripheral edge of the stainless steel plate during the hot rolling. 17. The method of claim 16, wherein the stainless steel plate is selected from T-316L stainless steel, T-316 stainless steel, T-304L stainless steel, and T-304 stainless steel. 18. The method of claim 16, wherein the cladding material is selected from the group consisting of nickel, a nickel alloy, copper, a copper alloy, and a stainless steel. 19. The method of claim 16, wherein the at least one framing element is selected from the group consisting of stainless steel, a nickel-base superalloy, and a cobalt-base superalloy. 20. The method of claim 16, wherein the cladding material plate is nickel, the stainless steel plate is T-316L stainless steel, and the one or more framing elements are one of T-316L stainless steel and T-304 stainless steel. 21. The method of claim 16, wherein the clad product is a dual clad product, and providing the welded assembly comprises: disposing an alloy cladding material plate on each of the opposed surfaces of a stainless steel plate, wherein a peripheral edge of each of the cladding material plates does not at any point extend to a peripheral edge of the stainless steel plate and thereby provides a margin on each of the opposed surfaces of the stainless steel plate;disposing at least one framing element in the margin and directly against the entire peripheral edge of each cladding material plate, wherein each framing element extends to a peripheral edge of the stainless steel plate and comprises an alloy having hot strength greater than the cladding material plate; andwelding each cladding material plate and the stainless steel plate to each framing element. 22. The method of claim 16 further comprising: optionally annealing the hot rolled band; andcold rolling the hot rolled band to a clad strip having a desired gauge. 23. A method of making an article of manufacture, the method comprising: making a clad product by the method of claim 16; and fabricating the clad product into the article of manufacture. 24. The method of claim 23 wherein the article of manufacture is selected from the group consisting of a cistern, a chimney flue, a battery, tubing, a heat exchanger, a pipe, a tank, and an item of cookware. 25. A welded assembly useful in the production of clad products, the welded assembly comprising an alloy cladding material plate disposed on a steel plate, wherein in the welded assembly a peripheral edge of the cladding material plate does not at any point extend to a peripheral edge of the steel plate and thereby provides a margin between the peripheral edges, wherein at least one framing element is within the margin and directly against the entire peripheral edge of the cladding material plate and each framing element extends to the peripheral edge of the steel plate, wherein a surface of the cladding material plate is substantially coplanar with a surface of each framing element, and wherein each framing element has hot strength greater than the cladding material plate and inhibits the cladding material plate from spreading beyond the edge of the steel plate during a hot rolling process. 26. A welded assembly useful for producing a clad product, the welded assembly comprising: a stainless steel plate having a peripheral edge;an alloy cladding material plate having a peripheral edge, wherein the cladding material plate is disposed on a surface of the stainless steel plate, andwherein the peripheral edge of the alloy cladding material plate does not at any point extend to the peripheral edge of the stainless steel plate and thereby provides a margin on the stainless steel plate between the peripheral edges; anda framing element within the margin and directly against the peripheral edge of the alloy cladding material plate, wherein the framing element extends to the peripheral edge of the stainless steel plate,wherein a surface of the alloy cladding material plate is substantially coplanar with a surface of the framing element,wherein the framing element is an alloy having hot strength greater than the cladding material plate and inhibits the cladding material plate from spreading beyond the edge of the steel plate during a hot rolling process, andwherein the framing element is welded to the stainless steel plate and the cladding material plate.
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