WO2004037454B1 - Double wall nickel or nickel alloy coated stainless steel tubing - Google Patents

Double wall nickel or nickel alloy coated stainless steel tubing

Info

Publication number
WO2004037454B1
WO2004037454B1 PCT/US2003/033817 US0333817W WO2004037454B1 WO 2004037454 B1 WO2004037454 B1 WO 2004037454B1 US 0333817 W US0333817 W US 0333817W WO 2004037454 B1 WO2004037454 B1 WO 2004037454B1
Authority
WO
WIPO (PCT)
Prior art keywords
tubing
recited
stainless steel
sheet
opposing
Prior art date
Application number
PCT/US2003/033817
Other languages
French (fr)
Other versions
WO2004037454A3 (en
WO2004037454A2 (en
Inventor
Duane Pontbriand
Jeffrey W Clawson
Tom White
Original Assignee
Cooper Technology Services Llc
Duane Pontbriand
Jeffrey W Clawson
Tom White
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cooper Technology Services Llc, Duane Pontbriand, Jeffrey W Clawson, Tom White filed Critical Cooper Technology Services Llc
Priority to AU2003284915A priority Critical patent/AU2003284915A1/en
Publication of WO2004037454A2 publication Critical patent/WO2004037454A2/en
Publication of WO2004037454A3 publication Critical patent/WO2004037454A3/en
Publication of WO2004037454B1 publication Critical patent/WO2004037454B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3033—Ni as the principal constituent
    • 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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/0807—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off
    • B21C37/0811—Tube treating or manipulating combined with, or specially adapted for use in connection with tube making machines, e.g. drawing-off devices, cutting-off removing or treating the weld bead
    • 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
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/08—Making tubes with welded or soldered seams
    • B21C37/09—Making tubes with welded or soldered seams of coated strip material ; Making multi-wall tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/002—Soldering by means of induction heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/008—Soldering within a furnace
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K1/00—Soldering, e.g. brazing, or unsoldering
    • B23K1/19—Soldering, e.g. brazing, or unsoldering taking account of the properties of the materials to be soldered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/04—Tubular or hollow articles
    • B23K2101/10—Pipe-lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/02—Iron or ferrous alloys
    • B23K2103/04—Steel or steel alloys
    • B23K2103/05—Stainless steel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Heat Treatment Of Articles (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

Tubing material (10) is rolled into a double wall tubular member (34) to form a vehicle fluid line. The tubing material includes a stainless steel sheet metal (12) having a nickel or nickel alloy coating. The double wall tubing member is then heated to a brazing temperature to melt the nickel or nickel alloy coating (14, 16) and secure the tubing material into the double wall shape. A cooling process may be used to obtain desired mechanical properties.

Claims

AMENDED CLAIMS[received by the International Bureau on 03 June 2004 (03.06.04); original claims 1-23 replaced by new claims 1-26 (3 pages)]+STATEMENT
1. A tubing comprising: a sheet of stainless steel including a first surface, an opposing second surface, and at least one tapered edge; a brazing material including nickel coated on at least one of said first surface and said opposing second surface of said sheet of stainless steel; and a joint of said brazing material to secure said sheet of stainless steel into a fluid conduit and adjoin said first surface and said opposing second surface.
2. The tubing as recited in claim 1 wherein said brazing material is coated on both said first surface and said opposing second surface of said sheet of stainless steel.
3. The tubing as recited in claim 1 wherein the tubing has a thickness of approximately 0.022 inch.
4. The tubing as recited in claim 1 wherein said brazing material on said sheet of stainless steel has a thickness approximately between 4 microns and 5 microns.
5. The tubing as recited in claim 1 wherein said at least one tapered edge comprises a first tapered edge and an opposing second tapered edge.
6. The tubing as recited in claim 5 further comprising an outer wall, and the first tapered edge contacts said outer wall of the tubing at a seam.
7. The tubing as recited in claim 6 further comprising an inner wall, and the second tapered edge contacts said inner wall of the tubing.
8. The tubing as recited in claim 1 wherein said sheet of stainless steel extends at least 720° around a central axis of the tubing to define said fluid conduit.
9. The tubing as recited in claim 8 wherein said brazing material is coated on both said first surface and said opposing second surface of said sheet of stainless steel, and said brazing material on said first surface contacts said brazing material on said opposing second surface at a contact surface, and said contact surface extends at least 360° around said central axis of the tubing.
10. The tubing as recited in claim 9 wherein said brazing material at said contact surface fuses together to form said joint and to secure said sheet of stainless steel into said fluid conduit.
11. The tubing as recited in claim 6 further including a brazed lamination extending along a length of the tubing at said seam.
12. The tubing as recited in claim 11 wherein said brazed lamination is nickel- silver.
13. The tubing as recited in claim 1 wherein said brazing material is a nickel alloy.
14. A method for forming a tubing comprising the steps of: coating a layer of nickel onto at least one of a first surface and an opposing second surface of a sheet of stainless steel; rolling a sheet of stainless steel having a tapered edge into a fluid conduit; heating the tubing to melt the coating; and adjoining the first surface and the opposing second surface to form the tubing.
15. The method as recited in claim 14 further including the step of cooling the tubing.
16. The method as recited in claim 14 wherein the step of heating includes employing one of a resistance circuit, an atmospheric furnace, and frequency induction.
17. The method as recited in claim 14 wherein the step of heating includes heating to a temperature between 1500°F and 2500°F.
18. The method as recited in claim 14 further including the step of finishing the tubing.
19. The method as recited in claim 14 wherein the step of rolling including rolling the sheet of the stainless steel at least 720° around a central axis of the tubing to define the fluid conduit.
20. The method as recited in claim 14 further including the step of brazing a lamination along a length of the tubing.
21. The method as recited in claim 20 wherein the lamination is a nickel-silver.
22. The method as recited in claim 14 wherein the step of heating occurs in a controlled atmosphere.
23. The method as recited in claim 22 wherein the controlled atmosphere includes at least one of nitrogen, hydrogen, and a mixture of nitrogen and hydrogen.
24. The method as recited in claim 14 wherein the layer is a nickel alloy.
25. The method as recited in claim 14 wherein the layer adjoins the first surface and the opposing second surface.
26. The method as recited in claim 14 wherein the step of coating the layer of nickel onto the sheet of stainless steel comprises coating the layer of nickel on both the first surface and the opposing second surface of the sheet of stainless steel.
PCT/US2003/033817 2002-10-23 2003-10-23 Double wall nickel or nickel alloy coated stainless steel tubing WO2004037454A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003284915A AU2003284915A1 (en) 2002-10-23 2003-10-23 Double wall nickel or nickel alloy coated stainless steel tubing

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US42070702P 2002-10-23 2002-10-23
US60/420,707 2002-10-23

Publications (3)

Publication Number Publication Date
WO2004037454A2 WO2004037454A2 (en) 2004-05-06
WO2004037454A3 WO2004037454A3 (en) 2004-06-10
WO2004037454B1 true WO2004037454B1 (en) 2004-07-08

Family

ID=32176617

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/033817 WO2004037454A2 (en) 2002-10-23 2003-10-23 Double wall nickel or nickel alloy coated stainless steel tubing

Country Status (2)

Country Link
AU (1) AU2003284915A1 (en)
WO (1) WO2004037454A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102963601B (en) * 2012-12-11 2015-03-25 深圳市通产丽星股份有限公司 Seamless welding hose and production method thereof
CN103817425B (en) * 2014-01-29 2017-01-18 浙江省医疗器械研究所 Silver welding process capable of welding small metal members under protection of hydrogen-nitrogen mixed gas
DE102015212363A1 (en) 2014-07-28 2016-01-28 Contitech Techno-Chemie Gmbh Method for inductive soldering for connecting at least two metallic components and use
DE102014112831B4 (en) * 2014-09-05 2016-03-31 Vacuumschmelze Gmbh & Co. Kg Method of brazing and using a brazing foil for induction brazing
EP3017890B1 (en) 2014-11-06 2021-06-09 TI Automotive (Heidelberg) GmbH Method of manufacturing a multiple-wall pipe

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1892607A (en) * 1930-10-27 1932-12-27 Bundy Tubing Co Method for making a tube
US3434503A (en) * 1966-10-12 1969-03-25 Bundy Corp Method of making tubing and product thereof
JPH08215743A (en) * 1995-02-15 1996-08-27 Usui Internatl Ind Co Ltd Multiple winding metallic tube and its production and apparatus therefor
JP2000005815A (en) * 1998-06-22 2000-01-11 Usui Internatl Ind Co Ltd Multi-wound stainless steel pipe
JP2000005814A (en) * 1998-06-22 2000-01-11 Usui Internatl Ind Co Ltd Multi-wound stainless steel pipe

Also Published As

Publication number Publication date
WO2004037454A3 (en) 2004-06-10
AU2003284915A8 (en) 2004-05-13
WO2004037454A2 (en) 2004-05-06
AU2003284915A1 (en) 2004-05-13

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