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邯郸国标弯头退火工艺介绍，河北乾特管道设备有限公司【<SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(63,63,63); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2">13932768305&nbsp;刘经理<SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(100,100,100); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2">】是河北一家大型的弯头生产直销厂家<SPAN style="FONT-WEIGHT: normal; BACKGROUND: rgb(255,255,255); WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: 0pt; webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2">。主要生产：<A href="http://www.gygjc.com/Index.html" target=_blank>国标弯头</A>，<A href="http://www.gygjc.com/ProDisplay/index.html" target=_blank>弯头厂</A>，<A href="http://www.gygjc.com/wantou/duihanwantou/index.html" target=_blank>对焊弯头</A>，<A href="http://www.gygjc.com/wantou/index.html" target=_blank>孟村弯头</A>，<A href="http://www.gygjc.com/wantou/tangangwantou/index.html" target=_blank>碳钢弯头</A>。公司产品广泛应用于石油、化工、造纸、制药、食品、啤酒、电力、造船、天然气等行业，<SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(63,63,63); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2">欢迎登录我公司查看详细的产品信息：<SPAN style="FONT-WEIGHT: normal; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><A style="COLOR: rgb(100,100,100); TEXT-DECORATION: none" href="http://www.gygjc.com/ProDisplay/index.html">http://www.gygjc.com/ProDisplay/index.html</A>
<A href="http://www.gygjc.com/Index.html" target=_blank>国标弯头</A>热压弯头的退火 将热压弯头加热到一定温度并保温一段时间，然后使它慢慢冷却，称为退火。热压弯头的退火是将钢加热到发生相变或部分相变的温度，经过保温后缓慢冷却的热处理方法。退火的目的，是为了消除组织缺陷，改善组织使成分均匀化以及细化晶粒，提高热压弯头的力学性能，减少残余应力；同时可降低硬度，提高塑性和韧性，改善切削加工性能。所以退火既为了消除和改善前道工序遗留的组织缺陷和内应力，又为后续工序作好准备，故退火是属于半成品热处理，又称预先热处理。
<IMG style="WIDTH: 445px; HEIGHT: 334px" height=280 alt=长半径弯头 src="http://www.gygjc.com/upfiles/proimages/20179129463438075.jpg" width=446>
<SPAN style="FONT-WEIGHT: normal; WORD-SPACING: 0px; TEXT-TRANSFORM: none; COLOR: rgb(63,63,63); TEXT-INDENT: 0px; FONT-STYLE: normal; FONT-FAMILY: 宋体; WHITE-SPACE: normal; LETTER-SPACING: normal; BACKGROUND-COLOR: rgb(255,255,255); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2"><SPAN style="FONT-WEIGHT: normal; 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); webkit-text-stroke-width: 0px; font-variant-ligatures: normal; font-variant-caps: normal; orphans: 2; widows: 2">&nbsp;

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