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新聞内容： <P>弯头厂家直销，送货到家，河北乾特管道设备有限公司<SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(100,100,100); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><FONT color=#000000>是河北一家大型的</FONT><A href="http://www.hbjjnnj.cn/index.html" target=_blank><STRONG>管件厂家</STRONG></A></SPAN><SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体; WHITE-SPACE: normal; ORPHANS: 2; BACKGROUND: rgb(255,255,255); LETTER-SPACING: 0pt; COLOR: rgb(0,0,0); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><STRONG>、</STRONG><A href="http://www.hbjjnnj.cn/wantou/index.html" target=_blank><STRONG>弯头厂家</STRONG></A><STRONG>、</STRONG><A href="http://www.hbjjnnj.cn/sregerh/index.html" target=_blank><STRONG>法兰厂家</STRONG></A>，主要生产：<A href="http://www.hbjjnnj.cn/wantou/duihanwantou/index.html" target=_blank><STRONG>对焊弯头</STRONG></A><STRONG>、</STRONG><A href="http://www.hbjjnnj.cn/wantou/tangangwantou/index.html" target=_blank><STRONG>碳钢弯头</STRONG></A>等产品</SPAN>。公司产品应用广泛，了解更多详情欢迎登录<SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(63,63,63); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal">：<SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(100,100,100); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><A href="http://www.hbjjnnj.cn/">www.hbjjnnj.cn</A></SPAN></SPAN><SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(63,63,63); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(100,100,100); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"> </SPAN></SPAN></P> <P><SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(63,63,63); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(100,100,100); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal">无缝弯头管件的原料是圆管坯，圆管胚要经过切割机的切割加工成长度约为一米的坯料，并经传送带送到熔炉内加热。钢坯被送入熔炉内加热，温度大约为1200摄氏度。燃料为氢气或乙炔。炉内温度控制是关键性的问题.圆管坯出炉后要经过压力穿孔机进行穿空。一般较常见的穿孔机是锥形辊穿孔机，这种穿孔机生产效率高，产品质量好，穿孔扩径量大，可穿多种管件。穿孔后，圆管坯就先后被三辊斜轧、连轧或挤压。挤压后要脱管定径。定径机通过锥形钻头高速旋转入钢胚打孔，形成管件。<BR></SPAN></SPAN><SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(63,63,63); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><SPAN style="WIDOWS: 2; TEXT-TRANSFORM: none; BACKGROUND-COLOR: rgb(255,255,255); FONT-STYLE: normal; TEXT-INDENT: 0px; FONT-FAMILY: 宋体, verdana, arial, helvetica, sans-serif; WHITE-SPACE: normal; ORPHANS: 2; LETTER-SPACING: normal; COLOR: rgb(100,100,100); FONT-WEIGHT: normal; WORD-SPACING: 0px; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal"><SPAN style="TEXT-ALIGN: center; WIDTH: 150px; HEIGHT: 113px; OVERFLOW: hidden"><A href="http://www.hbjjnnj.cn/wantou/chongyawantou/index.html" target=_blank><IMG style="BORDER-BOTTOM: rgb(200,200,200) 1px solid; BORDER-LEFT: rgb(200,200,200) 1px solid; PADDING-BOTTOM: 2px; PADDING-LEFT: 2px; PADDING-RIGHT: 2px; BORDER-TOP: rgb(200,200,200) 1px solid; BORDER-RIGHT: rgb(200,200,200) 1px solid; PADDING-TOP: 2px" border=0 src="http://www.hbjjnnj.cn/upfiles/proimages/201791210495932800.jpg" width=150 height=113></A></SPAN></P> <P>上一条：<A title=碳钢弯头免费定制 href="http://www.hbjjnnj.cn/NEWS/2622.html" target=_blank>碳钢弯头免费定制</A></P> <P>下一条：<A title=碳钢弯头清仓处理 href="/NEWS/2626.html" target=_blank>碳钢弯头清仓处理</A></P></SPAN></SPAN>

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