与不锈钢弯头的区别? 小编寄语:不是眼泪就能挽回失去,不是所有人都值得你付出,不是伤心就一定要哭泣,不是所有表情都要写在脸上,不是任何人都理解你。所以,面对生活中偶尔的不如意,我们要学会坚强的微笑! 你们知道 不锈钢弯头 与 碳钢弯头 有什么区别吗?我们一起来观察一下吧! 不锈钢弯头区别于碳钢弯头的主要是材质的不同,其所含的化学成分会保持弯头表面长时间不会生锈,不会被腐蚀。按标准制作可化为: 1.以制造标准划分可分为国标、电标、水标、美标、德标、日标、俄标等。 2.以制作方法划分可分为推制、压制、锻制、铸造等。 90°不锈钢弯头主要用于管道安装中的一种连接管件,用于管道拐弯处的连接。连接两根公称通径相同的管子,使管路作90°转弯。 通常是在碳钢基础上增加了高比例的Cr,Ni等合金而成,含量比例可达20%以上。常见钢种有:304,304L,321,316,316L,1Cr18Ni9Ti,0cr18ni9,前几种用数字表示的钢号为日本,美国钢号表示方法,最后一种(1Cr18Ni9Ti)为国内钢号表示方法。 不锈钢 特性:强度,韧性指标是各种钢中最好的,其最突出的优点是抗腐蚀,在化工造纸等腐蚀性较强的场合就必须使用不锈钢,当然,成本也是较高的! You know stainless steel and carbon steel elbow elbow What's the difference? We take a look at it! Stainless steel elbow carbon steel elbow is mainly distinguished from different materials, the chemical ingredients contained in the surface of the elbow will remain for a long time will not rust and will not corrode. According to standard production can be turned into: 1. manufacturing standards can be divided into national standard, standard electric, water standard, American standard, German standard, Japanese standard, the Russian standard and so on. 2. production methods can be divided into push the system, pressing, forging, casting and so on. 90 ° elbow stainless steel is mainly used for pipe installation in a connecting pipe for connecting the pipe bend. Connect two of the same nominal diameter pipe so that the pipe for 90 ° turn. Usually based on the increase of carbon steel high proportion of Cr, Ni alloy is made, the content ratio of up to 20%. Common steel grades: 304,304L, 321,316,316L, 1Cr18Ni9Ti, 0cr18ni9, steel front with several digital representation as Japan, the US steel representation, the last one (1Cr18Ni9Ti) for domestic steel representation. Stainless Steel characteristics: strength, toughness index is the best in all kinds of steel, the most prominent advantage is corrosion-resistant, paper and other corrosive chemical in the case of stainless steel must be used, of course, cost is also high! 查看更多0个回答 . 5人已关注
强电或弱电? 请问,电器仪表方面说的强弱电,究竟怎么表示? 我先抛个砖头。 强电 electric or heavy electricity or force electricity(指220v、380v或更高的用电) 弱电 electronic or light electricity or weak electricity (指网络、电话、有线电视、消防报警之类的用电) 请问,究竟怎么表示较为专业?查看更多14个回答 . 2人已关注