牌號 | PL 25 |
對應(yīng)標(biāo)準(zhǔn) | ISO 9330-3-1997
具有規(guī)定低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 low temperature properties |
歸類 | 碳鋼 |