| 摘要 |
PROBLEM TO BE SOLVED: To provide a drive rivet high in toughness and hardness, capable of joining a member of a thick plate, excellent in corrosion resistance and free from the need of plating treatment. SOLUTION: This is a method for producing a drive rivet composed of a head and a hollow and cylindrical leg prolonged in the lower direction of the head, and by subjecting a wire rod composed of alloy steel contg. 0.1 to 0.2% C, <=1.0% Mn, <=1.0% Si, 1.0 to 2.5% Ni, 12.0 to 14.0% Cr, 1.8 to 2.3% Mo and 0.05 to 0.15% N to cold heading, a rivet having a desired shape is obtd.
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