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Old 05-17-2011, 02:06 AM   #1
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Default |清大圣科气化炉反骗子.|不锈钢焊条的种类应用区分

马氏体不锈钢的焊接:马氏体不锈钢包括含铬5~9%的中铬钢和含铬12%的高铬钢。×&tim es;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥&t imes;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&tim es;清大圣科科技有限公司××此类钢淬硬倾向大,焊后易产生高硬度的马氏体和贝 氏体使脆性增加,残余应力也较大,容易产生冷裂缝。××清大圣科×清 大圣科电焊条×清大圣科电焊条设备×清大金桥×清大金桥电焊条设备& times;清大圣科气化炉×www.qhsk.cn×清大圣科科技有限公司&t imes;×
故一般焊前必须进行预热及层间保温,焊后尚未冷却前进行高温回火。××清大圣科& times;清大圣科电焊条×清大圣科电焊条设备×清大金桥×清大金 桥电焊条设备×清大圣科气化炉×www.qhsk.cn×清大圣科科 技有限公司××   

若焊件不能进行焊后处理,则应用铬不锈钢焊条(CHS107、CHS207)等焊接。×&ti mes;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥& times;清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&ti mes;清大圣科科技有限公司××  
铬13不锈钢的焊接:此类铬钢焊接后硬化性较大,容易产生裂纹,若采用同类的铬不锈钢焊条(CHK202、 CHK207)焊接,则必须进行300℃以上的预热和焊后700℃左右的回火缓冷处理。×&t imes;清大圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥 ×清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn&t imes;清大圣科科技有限公司××
 
铬17不锈钢的焊接:此类铬钢通常为改善耐蚀性及可焊性而加适量的稳定化元素钛、铌、钼,可焊性较铬13钢 为好,可采用同类型的铬不锈纲焊条(CHK302、CHK307)焊接。××清大 圣科×清大圣科电焊条×清大圣科电焊条设备×清大金桥× 清大金桥电焊条设备×清大圣科气化炉×www.qhsk.cn×清大 圣科科技有限公司××
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Old 05-17-2011, 02:10 AM   #2
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68365 2010 年 08 月 04 日 23:38 Reading (loading. ..) Comments (4) Category: Personal Diary

to let go is a kind of helpless despair that broke our hearts. When people who have cherished as life is about to meet a stranger when did he realize: the original, once thought to last forever, but in fact, meet by chance.
who think they can just hold hands all the way, but let go and we have to understand that everything is just two parallel lines, when all is vanished, the parallel is still parallel. Even not far away, it is one of the End of the World.
the cost of the brave put down their first, admit defeat, accept the helpless, gently sighed, and wish him future happiness. Chih-water from the heart if,gucci shoes, difficult turmoil.
huddled in the corner, waiting for the wounds heal, feel free and easy Ganaiganhen'm lost.
feeling of happiness may only moments, moments later, was a wonderful person.
let go of the day, always yo solitary joy, inexplicable way to a song,cheap gucci shoes, a play, a plot. Or even a word and tears. Always feel that the sky is black, clouds are gray.
always felt lost the meaning of life. Friends told me: you did not lose, you just knew him back in the days before. I am relieved, as fireworks can not always hang in the sky,gucci heels, as long as had been brilliant, why did not obsessed with fireworks day?
mundane world we are men and women could not earn the love entanglement. Not escape the vortex of love and be loved, heartbreak after grief. Is endlessly lonely, lonely? Maybe,gucci outlet! No longer have to guess his thoughts and brains, will Qingshu breath and feel relaxed and a little bit of it?
really want to open it? He can be calm and her face. Even if my heart could not say a kind of faint sorrow and grief. But I will not cry, cry because a person's memory in his heart. No matter what would not disperse. I ask myself again and again: , so I let him go,gucci bikinis, but also giving himself a way out. Cemented him a picture, deeply engraved in my mind ... watching, thinking, but do not draw the human, exposure to paintings in order to better appreciate the beauty of art,gucci sale, is not it?
forced to shake hands, truthfully say that the sound: bit by bit, you can appreciate the beauty of letting go after.
God I met at the wrong time, you, I ... cried.
it at the right time I left you, you ... cry?
repeatedly said that this is really down, and do not know how long can such a fool myself.
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