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哪位知道不锈钢焊条报价？

哪位知道不锈钢焊条报价？

浏览：54次 | 提问时间： 07-29 05:33

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眼不见为净 07-29 05:34

不锈钢焊条报价为60元左右。不锈钢焊条使用注意事项1、铬不锈钢具有一定的耐蚀(氧化性*、有机*、气蚀)、耐热和耐磨性能。通常用于电站、化工、石油等设备材料。铬不锈钢焊接性较差，应注意焊接工艺、热处理条件及选用合适电焊条。2、铬13不锈钢焊后硬化性较大，容易产生裂纹。若采用同类型的铬不锈钢焊条(G202、G207)焊接，必须进行300℃以上的预热和焊后700℃左右的缓冷处理。若焊件不能进行焊后热处理，则应选用铬镍不锈钢焊条(A107、A207)。3、铬17不锈钢，为改善耐蚀性能及焊接性而适当增加适量稳定性元素Ti、Nb、Mo等，焊接性较铬13不锈钢好一些。采用同类型的铬不锈钢焊条(G302、G307)时，应进行200℃以上的预热和焊后800℃左右的回火处理。若焊件不能进行热处理，则应选用铬镍不锈钢焊条(A107、A207)。4、铬镍不锈钢焊条具有良好耐腐蚀性和抗氧化性，广泛应用于化工、化肥、石油、*疗机械*。5、铬镍不锈钢焊接时，受到重复加热析出碳化物，降低耐腐蚀性和力学性能。6、铬镍不锈钢*皮有钛钙型和低氢型。钛钙型可用于交直流，但交流焊时熔深较浅，同时容易发红，故尽可能采用直流电源。直径4.0及以下可用于全位置焊件，5.0及以上用于平焊及平角焊。7、焊条使用时应保持干燥，钛钙型应经150℃干燥1小时，低氢型应经200~250℃干燥1小时(不能多次重复烘干，否则*皮容易开裂剥落)，防止焊条*皮粘油及其它脏物，以免致使焊缝增加含碳量和影响焊件质量。8、为防止由于加热而产生睛间腐蚀，焊接电流不宜太大，比碳钢焊条较少20%左右，电弧不宜过长，层间快冷，以窄焊道为宜。9、异种钢的焊接应慎重选用焊条，防止焊条选用不当出现热裂纹或高温热处理后引起σ相析出，使金属脆化。参照不锈钢与异种钢的焊条选择标准进行选用，并采取适当焊接工艺。

小汤圆 07-29 05:42

不锈钢焊条报价20-80不等。一般可以分为1、马氏体不锈钢焊条马氏体不锈钢包括含铬5~9%的中铬钢和含铬12%的高铬钢。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。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。2、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。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。3、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。焊前，焊件应进行200℃左右预热，焊后进行800℃左右的回火处理。也可采用铬镍不锈钢焊条（如CHS107、CHS207），焊后不进行热处理。

过于猖狂 07-29 05:51

不锈钢焊条可分为铬不锈钢焊条和铬镍不锈钢焊条，这两类焊条中凡符合国标的，均按国标GB/T983-1995规定考核。铬不锈钢具有一定的耐蚀（氧化性*、有机*、气蚀）耐热和耐蚀性能。通常被选作电站、化工、石油等设备材料。但铬不锈钢一般情况下可焊性较差，应注意焊接工艺、热处理条件及选用合适的电焊条。铬镍不锈钢焊条具有良好耐腐蚀性和抗氧化性，广泛应用于化工、化肥、石油、*疗机械*。为防止由于加热而产生晶间腐蚀，焊接电流不宜太大，比碳钢焊条较少20%左右，电弧不宜过长，层间快冷，以窄焊道为宜。不锈钢焊条价格在30元左右

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