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ASTM F1121船舶灭火用国际海岸通讯线
日期:2012-02-08 12:08
piece. The material shall be brass, bronze, or other suitable corrosion-resistant material. When fabricated out of more than one piece, the flange may be steel and the coupling a corrosion-resistant material. Nuts, bolts, and washers shall be a corrosion-resistant material.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does

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