Disclosed is a high-strength hollow steel pipe material. The high-strength hollow steel pipe material includes Fe as a main ingredient, 0.30 to 0.40% by weight of C, 0.10 to 0.40% by weight of Si, 1.10 to 1.60% by weight of Mn, 0.20 to 0.40% by weight of Cr, 0.50 to 1.00% by weight of Ni and 0.001 to 0.005% by weight of B, the high-strength hollow steel pipe material having increased material corrosion fatigue life, compared to conventional steel pipe materials, by enhancing elongation and corrosion resistance while reinforcing strength through increase of the amounts of C and Ni conventionally added and addition of Nb and Mo as new materials.
HIGH-STRENGTH HOLLOW STEEL PIPE MATERIAL HAVING ENHANCED CORROSION RESISTANCE
2017-01-19
Patent
Elektronische Ressource
Englisch
HIGH STRENGTH SPRING STEEL HAVING EXCELLENT CORROSION RESISTANCE
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