牌號(hào) | PH 23 |
對(duì)應(yīng)標(biāo)準(zhǔn) | ISO 9330-2-1997
具有特定高溫性能的電阻和感應(yīng)焊接非合金和合金鋼管 Electric resistance and induction welded unalloyed and alloyed steel tubes with specified elevated temperature properties |
歸類 | 碳鋼 |