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阀杆材料的工作温度范围参考:8 Y' D) Y% I5 l: P0 G. x S20910 (Nitronic 50) –198 to 538' @6 w( ~' ]- ~4 F* R$ ? S17400 (17-4 pH 1025) –73 to 427- H/ X2 I7 z1 |5 a S17400 (17-4 pH H1150M) –196 to 4279 N7 g+ E: E) } N07718 (Inconel 718) –254 to 704 ' U$ a- ^" Y; `3 y/ O5 cN07750 (In ...% ^* W5 j, k- }6 b5 W. |8 g dljdw 发表于 2011-7-7 21:36 http://www.3dportal.cn/discuz/images/common/back.gif
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