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发表于 2015-03-17 17:23 |只看楼主

不锈钢304牌号鉴定1、案例背景
该不锈钢产品的使用领域的食品接触材料领域，产品主要用于制作汤锅、水壶等。委托方要求分析该材料是否符合美国标准ASTM A276-2013 304牌号的要求，以确定其所使用的材料是符合《GB 9684-88 不锈钢食具容器卫生标准》条款。

2、分析方法简述

a、对样品进行XRF半定量分析，分析结果如下：

元素G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	MnG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	CrG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	NiG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	CuG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	MoG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
含量G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	1.05%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	18.01%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	8.02%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.10%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.23%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä

从XRF定性半定量结果上分析，初步可以判定该材料应属于GB 9684-88所规定的奥氏体不锈钢。于是参考不锈钢分析标准对材料进行准确定量分析。

b、依据《GB/T 20123-2006 钢铁总碳硫含量的测定高频感应炉燃烧后红外吸收法(常规方法)》，采用纳克CS3000碳硫分析仪对该材料进行C和S含量分析，结果如下：

元素G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	CG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	SG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
含量G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.065%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.018%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä

c、依据《JIS G1258-2-2007 中文版铁及钢—ICP发光光谱分析方法—第2部：锰、镍、铬、钼、铜、钨、钒、钴、钛及铌定量方法—硫酸磷酸分解法》，采用OPTIMA8000对该材料进行Si、Mn、P、Cr、Ni、Cu、Mo等元素进行定量分析，结果如下：

元素G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	SiG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	MnG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	PG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	CrG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	NiG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	MoG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	CuG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
含量G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.587%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	1.15%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.035%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	18.28%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	8.34%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.43%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.21%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä

3、结果分析与讨论
通过对该不锈钢材料进行成分分析，并对照ASTM A276-2013 304不锈钢材料成分含量要求发现，该不锈钢材料符合304不锈钢要求，属于《GB 9684-88 不锈钢食具容器卫生标准》所要求的奥氏体不锈钢。

元素G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	材料成分含量G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	304牌号成分要求G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
CG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.065%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.08%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
SG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.018%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.030%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
SiG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.587%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	1.00%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
MnG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	1.15%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	2.00%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
PG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.035%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.045%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
CrG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	18.28%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	18.0%-20.0%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
NiG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	8.34%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	8.0%-11.0%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
CuG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.21%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	—G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
MoG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	0.43%G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	—G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä
FeG{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	余量G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä	—G{\'[äO_«bbs.3c3t.comS(P;û Ä G{\'[äO_«bbs.3c3t.comS(P;û Ä

4、参考标准G{\'[äO_«bbs.3c3t.comS(P;û Ä

GB/T 20123-2006 钢铁总碳硫含量的测定高频感应炉燃烧后红外吸收法(常规方法)G{\'[äO_«bbs.3c3t.comS(P;û Ä

JIS G1258-2-2007 中文版铁及钢—ICP发光光谱分析方法—第2部：锰、镍、铬、钼、铜、钨、钒、钴、钛及铌定量方法—硫酸磷酸分解法G{\'[äO_«bbs.3c3t.comS(P;û Ä

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