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新聞內容： <P><FONT face=宋体>碳钢弯头都有哪些事项，</FONT>河北洲际重工有限公司主要的管件生产厂家，主要产品有:<A style="FONT-WEIGHT: normal; FONT-SIZE: 12px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-DECORATION: none; WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px" href="http://www.hmayaktigranyan.com/"><STRONG>碳钢弯头</STRONG></A><STRONG style="FONT-SIZE: 12px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">,</STRONG><A style="FONT-WEIGHT: normal; FONT-SIZE: 12px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-DECORATION: none; WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px" href="http://www.hmayaktigranyan.com/wantou/tangang/index.html"><STRONG>不锈钢弯头</STRONG></A><STRONG style="FONT-SIZE: 12px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">,</STRONG><A style="FONT-WEIGHT: normal; FONT-SIZE: 12px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-DECORATION: none; WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px" href="http://www.hmayaktigranyan.com/wantou/guobiao/index.html"><STRONG>国标弯头</STRONG></A><STRONG style="FONT-SIZE: 12px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">,</STRONG><A style="FONT-WEIGHT: normal; FONT-SIZE: 12px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-DECORATION: none; WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px" href="http://www.hmayaktigranyan.com/wantou/mengcunwt/index.html"><STRONG>孟村弯头</STRONG></A><SPAN style="DISPLAY: inline! important; FONT-WEIGHT: normal; FONT-SIZE: 12px; FLOAT: none; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px; text-decoration-style: initial; text-decoration-color: initial">，质量保证，价格优惠，欢迎来电订购咨询：<SPAN class=Apple-converted-space> </SPAN></SPAN><A style="FONT-WEIGHT: normal; FONT-SIZE: 12px; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); TEXT-DECORATION: none; WIDOWS: 2; ORPHANS: 2; font-variant-ligatures: normal; font-variant-caps: normal; webkit-text-stroke-width: 0px" href="http://www.hmayaktigranyan.com/">www.hmayaktigranyan.com</A> <FONT face=宋体><BR><FONT face=宋体>按它的曲率半径来分，可分为长半径弯头和短半径弯头。长半径弯头指它的曲率半径等于1.5倍的管子外径，即R＝1.5D。短半径弯头指它的曲率半径等于管子外径，即R＝D。式中的D为弯头直径，R为曲率半径。若按压力等级来分，大约有十七种，和美国的管子标准是相同的，有：Sch5s、Sch10s、Sch10、Sch20、Sch30、Sch40s、STD、Sch40、Sch60、Sch80s、XS；Sch80、Sch100、Sch120、Sch140、Sch160、XXS，其中常用的是STD和XS两种。按弯头的角度分，有45o弯头，有90o弯头和180o弯头。这样一来弯头的种类是很多的，定货时定单常采取如下表示方法：如"LR STD 90o 8"，表示长半径，压力等级为STD，90o的8"弯头；又如，"SR XS 45o 4"表示短半径，压力等级为XS，45o的4"弯头。<BR></FONT></FONT><FONT face=宋体><FONT face=宋体><FONT face=宋体><A title=碳钢弯头市场价格微调 href="http://www.hmayaktigranyan.com/NEWS/2346.html" target=_blank><STRONG><FONT face=宋体><IMG src="http://www.hmayaktigranyan.com/upfiles/proimages/201892016154723863.jpg"></FONT></STRONG></A></FONT></FONT></FONT></P> <P><FONT face=宋体>上一条：<A title=碳钢弯头的规格 href="http://www.hmayaktigranyan.com/NEWS/2351.html" target=_blank>碳钢弯头的规格</A></FONT></P> <P><FONT face=宋体>下一条：<A title=碳钢弯头技术问题 href="http://www.hmayaktigranyan.com/NEWS/2354.html" target=_blank>碳钢弯头技术问题</A></P></FONT>

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