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meixinjiance

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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(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Mn(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Cr(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Ni(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Cu(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Mo(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
含量(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	1.05%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	18.01%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	8.02%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.10%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.23%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0

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(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	C(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	S(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
含量(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.065%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.018%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0

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(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Si(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Mn(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	P(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Cr(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Ni(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Mo(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	Cu(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
含量(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.587%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	1.15%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.035%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	18.28%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	8.34%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.43%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.21%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0

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(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	材料成分含量(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	304牌号成分要求(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
C(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.065%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.08%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
S(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.018%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.030%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
Si(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.587%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	1.00%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
Mn(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	1.15%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	2.00%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
P(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.035%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.045%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
Cr(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	18.28%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	18.0%-20.0%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
Ni(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	8.34%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	8.0%-11.0%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
Cu(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.21%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	—(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
Mo(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	0.43%(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	—(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0
Fe(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	余量(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0	—(_ÿëxØ+ bbs.3c3t.com0¢.³\|~0 (_ÿëxØ+ bbs.3c3t.com0¢.³\|~0

4、参考标准(_ÿëxØ+ bbs.3c3t.com0¢.³|~0

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)(_ÿëxØ+ bbs.3c3t.com0¢.³|~0

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(_ÿëxØ+ bbs.3c3t.com0¢.³|~0

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