牌号 | PL 23 |
---|---|
對應标準 | ISO 9330-3-1997
具有規定低溫性能的電阻和感應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 |
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