what does "tolerance" mean in stainless steel?

what does tolerance mean in stainless steel

This is a FAQ on stainless steel plate and pipe

I believe that many people will encounter this problem when consulting the price of stainless steel. Many clients asked this question "Hey, Jackson. Why the actual weight is so different from your quotation?", normally they will get the answer "Because of the tolerance, just as noted". So What does tolerance mean in stainless steel? how does it happen?

What does tolerance mean in stainless steel

Stainless steel tolerance is the deviation of length or thickness in a certain range recognized in the stainless steel industry. It is an important term in the actual stainless steel trade or application.

How does the tolerance in stainless steel happens?

Why are there tolerances? This is because, in the rolling process, the roller of the machine will deform slightly due to heating, which leads to the thickness deviation of the rolled stainless steel, which is generally thick in the middle and thin on both sides. The thickness tolerance of stainless steel refers to the fact that the actual thickness of stainless steel rolled by the steel plant can not reach the theoretical thickness.

For example, if the thickness of the stainless steel is 2mm, the actual rolling out is 1.8mm, which is the tolerance. In China, the tolerance is generally negative tolerance, positive tolerance also has, but very few.

The difference happens when calculate the weight

Usually, when we buy and sell stainless steel, we calculate the weight according to the theoretical thickness, which is why the theoretical weight is heavier than the actual weight. For different sizes, there are different tolerance standards. For more details, pls visit the related posts.

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