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发表于 2010-11-28 20:05
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来自: 中国上海
英劳规范:Part 2, Chapter 12, Section 2, 2.5.3: For welds in steels with specified yield strength up to 400N/mm2, and with carbon equivalent less than or equal to 0.41%, NDE may be performed as soon as the test assembly has cooled to ambient temperature. For other steels, NDE is to be delayed for a period of at least 48 hours after the test assembly has cooled to ambient temperature.
翻译:英劳规范第二部分《材料的制造、试验和认证规范》,第十二章《焊接认证》,第二节,第2.5.3款提到:对于屈服强度达到400N/mm2,同时碳当量小于等于0.41%的钢板焊接,无损探伤可以在试件冷却到环境温度时立即进行,对于其他钢板,无损探伤应在试件冷却到环境温度的48小时以后进行。
这只是英劳的规范,我不知道你那个船检是哪个社的,总之我认为他要求过高了。 |
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