316不锈钢钢印标准图
这是一个陷阱，不要相信。
In 2015, the company purchased a batch of 316 stainless steel pipes and found that the brand of iron was unregulated, resulting in substandard products.
Don't do this, choose familiar materials and regular techniques.
316最简单的鉴别方法
316 stainless steel, the steel stamp is clearly visible, produced by a common manufacturer.
我还在亲自验证中。 The location of the stamp may vary from factory to factory.
Time: May 2023, 10 316 stainless steel samples were examined.
Number: The diameter of the stamp is about 5 mm and the depth is 0.5 mm.
称一下体重。