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2020-11-11View Original

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"Räigstoffrängst"
Reply #22020-11-13
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Reply #32020-11-18
"In ich mich in der R Ringindngind industry钢管行业摸爬滚打了7年4年年,已经有1年年年了,从最初略懂皮毛到现在多少懂点,疑惑的事情越来越多。钢管原材一直困扰着我,希望分享以后能一起探讨下。在管道配件中,弯头是最常用到到的钢管产品之一,在客户下单前有标注GB/T8163、GB3887、GBs351、GBgb647、GBgbbs48,市场上最流通的是GB/T8163的,对其他标准的的原材,可以说很少能及时能能买到真的。其价格又没有优势,所以每次给客户做报价不知道怎么报?你说GB/Tgb48的钢管不好找吧?客户会说你只要符合GB/Tgb48就行。如果你说会很贵,客户又会说人家别人都报价了没有很贵啊……。问一些行业老师傅,有的会说就用正常就行。如果真的在意的话做遍热处理就行了……有的老师傅说GB/Tgb48硫磷低,可以用GB/Tgb531的的GB/Tgb548就行。但是也很贵啊。希望无论搞技术的还是搞生产的大神都踊跃的讨论下给小弟答疑解惑"
Reply #42020-11-25
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Reply #52020-11-25
"Ein Entwen元设计人员一枚,GB/T8163就材质而言属于中低品质。其余的GB/T3887、GB/T531、GB/T647、GB/T548属于高品质。在初始设计就会根据介质的压力温度来确定材质标准。在设计原则上就高不就低,要留有富余量。"
Reply #62020-11-27
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