What Is A2-70 Made Of?

A2-70 is made of stainless steel.

A2-70 is an indication of the performance grade of stainless steel parts. This mark will generally appear in some stainless steel bolts, stainless steel screws, stainless steel nuts, stainless steel nails, stainless steel studs and other stainless steel mechanical parts above, different marks represent various types of stainless steel parts have different performance grades.

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