What is 18/8 stainless steel SS201

If you found the ” SS18/8 ” lable when we buy the stainless steel flatware, cutlery , cookware , kitchen utenils and other stainless steel tableware products, what did they mean and how to choose ?

The SS18/8 material we also said the SS201 material in the stainless steel tableware and kitchenware products, but the price of SS18/8 is higher than SS18/0 material.

SS18/8 – SS201  elemental composition:

You can be find the Nickel elemental  content which is about 3.5% to 5.5% in the SS18/8 material, but the SS18/0 material is under 0.6%, it’s why the SS18/8 is expensive than SS18/0 material.

The Nickel is also important same as Chromium in the stainless steel, please check the following reason:

a) the Nickel and Chromium are mixed together,  it can strengthen the corrosion resistance

b) increase the toughness

c) increase the strength