ELECTRIC RESISTANCE WELDED STEEL PIPE FOR HOLLOW STABILIZERS, AND METHOD FOR MANUFACTURING SAME
Provided is an electric-resistance-welded steel pipe or tube for hollow stabilizer excellent in corrosion fatigue resistance having: a chemical composition containing, in mass%, C: 0.15% or more and less than 0.20%, Si: 0.1% or more and 1.0% or less, Mn: 0.1% or more and 2.0% or less, P: 0.1% or les...
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Sprache: | eng ; fre ; ger |
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Zusammenfassung: | Provided is an electric-resistance-welded steel pipe or tube for hollow stabilizer excellent in corrosion fatigue resistance having: a chemical composition containing, in mass%, C: 0.15% or more and less than 0.20%, Si: 0.1% or more and 1.0% or less, Mn: 0.1% or more and 2.0% or less, P: 0.1% or less, S: 0.01% or less, Al: 0.01% or more and 0.10% or less, Ti: more than 0.05% and 0.1% or less, B: 0.0005% or more and 0.005% or less, Ca: 0.0001% or more and 0.0050% or less, and N: 0.0050% or less, with the balance being Fe and inevitable impurities; and a microstructure containing TiS and MnS particles which each have a particle size of 10µm or more, the TiS and MnS particles having a cleanliness of 0% or more and 0.1% or less as measured by a point counting method according to JIS G 0555. |
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