标准摘要
This specification covers a low-alloy steel in the form of welding wire. Type 2 - copper coated wire was removed from this document (see 8.4).
英文名称Steel, Welding Wire, 0.50Cr - 0.55Ni - 0.20Mo (0.18 - 0.23C) (SAE 8620), Vacuum Melted, Environment Controlled Packaging