Weld structure, stainless steel welded structure, stainless steel welded container and stainless steel
AssigneeNippon Steel Stainless Steel Corporation
InventorsTooru Matsuhashi, Naohito Kumano
Life of this patent
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Abstract
A weld structure includes a first stainless steel member and a second stainless steel member. A crevice made by welding is defined by welding an end of the first stainless steel member and a portion other than an end of the second stainless steel member. A portion close to the end of the first stainless steel member is formed as a weld metal portion by performing welding heat input on the portion close to the end of the first stainless steel member. In the crevice made by welding, a length LB from a boundary between the weld metal portion and a raw material portion to a crevice deepest portion and a crevice length LC from the crevice deepest portion to a 40 μm-width position satisfy LC<LB.
Claims20
A weld structure comprising:
- a first stainless steel member and a second stainless steel member, the first stainless steel member and the second stainless steel member defining a crevice made by welding an end of the first stainless steel member and a portion other than an end of the second stainless steel member, wherein
- a portion close to the end of the first stainless steel member is formed as a weld metal portion by performing welding heat input on the portion close to the end of the first stainless steel member, and
- a length LB from a boundary point on a surface forming the crevice, the boundary point being on a boundary between the weld metal portion and a raw material portion, to a crevice deepest portion and a crevice length LC from the crevice deepest portion to a position having a crevice width of 40 μm satisfy LC<LB.
Dependencies are inferred from the claim text.