| 摘要 |
The present invention provides a method of producing a common rail having a common rail body and a holder which include chemical components of 0.01-0.3 mass% of C, 0.01-0.5 mass% of Si, 0.01-3.0 mass% of Mn, 0.0003-0.01 mass% of B, 0.001-0.01 mass% of N, over 0.01-0.5 mass% of Al, 0.01-0.05 mass% of Ti, P limited to 0.03 mass% or less, S limited to 0.01 mass% or less, O limited to 0.01 mass% or less, a total content of As, Sn, Sb, Pb, and Zn limited to 0.015 mass% or less, the balance including Fe and inevitable impurities, in which the TLB value is 0.001 % or more, the method including: inserting an insert metal; performing liquid phase diffusion bonding; performing laser-peening; and removing a surface layer. |
