Today, Shanghai Yaluo Precision Fastener Technology Co., Ltd. will introduce the characteristics of A2-70 material to you!!
The meaning of A2-70 bolt is the strength standard of 304 stainless steel screws, reaching a performance level of 70.
The meaning of A2 is the material group, which is the second group of austenitic steel, namely stainless steel 304 material;
70 represents the performance level of the product, and the A2-70 bolt has a tensile design value of 700MPa;
Because stainless steel screws do not require heat treatment, theoretically, as long as they are made of 304 material, their strength will be fixed at the A2-70 standard. Over time, many people regard A2-70 as an additional specification for the material.
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