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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WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	MnWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	CrWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	NiWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	CuWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	MoWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
含量WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	1.05%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	18.01%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	8.02%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.10%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.23%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx

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WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	CWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	SWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
含量WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.065%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.018%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx

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WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	SiWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	MnWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	PWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	CrWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	NiWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	MoWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	CuWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
含量WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.587%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	1.15%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.035%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	18.28%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	8.34%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.43%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.21%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx

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WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	材料成分含量WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	304牌号成分要求WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
CWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.065%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.08%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
SWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.018%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.030%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
SiWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.587%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	1.00%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
MnWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	1.15%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	2.00%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
PWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.035%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.045%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
CrWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	18.28%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	18.0%-20.0%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
NiWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	8.34%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	8.0%-11.0%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
CuWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.21%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	—WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
MoWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	0.43%WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	—WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx
FeWNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	余量WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx	—WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx

4、参考标准WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx

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)WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx

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WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx

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发送短消息 UID 88349 精华 0 查看公共资料搜索主题搜索帖子 yumingkun 组别爱心志愿者帖子139 积分446 性别注册时间2009-05-04 个人空间	3^# 字体大小: t T 发表于 2015-03-20 09:17 \|只看该用户这不叫鉴定，叫检测吧WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx


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发送短消息 UID 191978 精华 0 查看公共资料搜索主题搜索帖子 84362020gwh 组别高级工程师帖子1938 积分2696 性别注册时间2012-03-08 个人空间	5^# 字体大小: t T 发表于 2015-03-23 16:18 \|只看该用户来这里看看了WNbê®UÍïÌbbs.3c3t.comêjÉ+Þ¡ïx


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