JPS6449372U - - Google Patents

Info

Publication number

JPS6449372U

JPS6449372U JP14484587U JP14484587U JPS6449372U JP S6449372 U JPS6449372 U JP S6449372U JP 14484587 U JP14484587 U JP 14484587U JP 14484587 U JP14484587 U JP 14484587U JP S6449372 U JPS6449372 U JP S6449372U

Authority

JP

Japan

Prior art keywords

steel pipe

welded

magnetic field

welding

outer periphery

Prior art date

1987-09-22

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 229910000831 Steel Inorganic materials 0.000 claims description 9
• 239000010959 steel Substances 0.000 claims description 9
• 238000003466 welding Methods 0.000 claims description 7
• 238000010586 diagram Methods 0.000 description 2
• 230000005415 magnetization Effects 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
• 229910052721 tungsten Inorganic materials 0.000 description 1
• 239000010937 tungsten Substances 0.000 description 1

Cited By (1)