标 准 编 号：JIS G7224-2003 简体中文标题：承压用焊接钢管.交货技术条件.第2部分:规定高温特性的电阻焊接和感应焊接非合金钢管和合金钢管(ISO规范) 繁体中文标题：承压用焊接钢管.交货技术条件.第2部分:规定高温特性的电阻焊接和感应焊接非合金钢管和合金钢管(ISO规范) English Name：Welded steel tubes for pressure purposes -- Technical delivery conditions -- Part 2: Electric resistance and induction welded unalloyed and alloyed steel tubes with specified elevated temperature properties (ISO specifications)