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发表于 2013-7-11 13:10:25
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这个帖子太没含量了,标准表述的很清楚。
试件test coupon: a weld or braze assembly for procedure or performance qualification testing. The coupon may be any product from plate, pipe, tube, etc., and may be a fillet weld, overlay, deposited weld metal, etc.
试样test specimen: a sample of a test coupon for specific test.The specimen may be a bend test, tension test, impact test, chemical analysis, macrotest, etc. A specimen may be a complete test coupon, for example, in radiographic testing or small diameter pipe tension testing. |
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