Why are there cracks in the stamping of stainless steel rivets
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Time：2019/9/3 15:24:35
Why are there cracks in the stamping of stainless steel rivets?
First of all you want to make sure your material no problem, there are many kinds of types of stainless steel, different type has different tensile strength, such as 303 or 316 f you these two kinds of material is more brittle/big is bound to crack, and c2 304 or 316 l ductility is good, large scale processing is generally won't appear crack, these are all austenitic steel, if you use a martensitic stainless steel that is more brittle crack more easily. The second is whether your material is too far, if the return whether to meet the annealing requirements. In addition, the same brand of stainless steel raw materials and re-raw materials have a world of difference, re-raw materials will be high carbon content nickel content will be very low processing will be hard and brittle.
Because stainless steel wire itself has the reason that hair grain exists. The possibility of hair lines in general silk is great, especially the stainless steel wire made in China. This no matter which kind all has this kind of circumstance existence, the reason is the original that USES to make stainless steel wire itself has internal flaw to exist, then pull more and more pull more long, you are in processing the product when pass deep blunt but bare hair grain.
