Titanium bar acquisition, want to buy high-quality titanium bar, but how to identify the good or bad titanium bar? Titanium alloy from many aspects, multi – Angle to identify the quality of titanium bar.
1, Fake titanium rod appearance often has a pockmarked surface.
The uneven appearance of the titanium material is caused by the serious abrasion of the groove. Because counterfeit titanium rod manufacturers to seek profits, often appear groove rolling most cost.
2, Fake titanium rod simple scratch, the reason is fake titanium rod manufacturers simple equipment, easy to burr, scratch the appearance of titanium. Deep scratch reduces the strength of titanium.
3, Fake titanium bar thin and low, often present the appearance of filling dissatisfaction, the reason is to reach the manufacturer of negative service, the first few products of the pressure is too large, small iron, hole filling dissatisfaction.
4, Fake titanium rod easy to fold.
Folding is the appearance of the titanium bar formed by a variety of folds, this defect is often throughout the product longitudinal. The reason for the folding is that counterfeit manufacturers seek high efficiency, the amount of pressure is too large, ear, the next rolling occurs when folding, folding products will be cracked after bending, titanium strength is greatly reduced.
5, Fake titanium rod appearance easy to scar.
There are two reasons:
(1) Fake titanium rod raw material is not uniform, impurities.
(2) Shoddy material manufacturers guide and guard equipment simple, simple titanium, these impurities bite roll easy to scar.
6, The appearance of fake material easy to crack, the reason is that its billet is adobe, adobe pores, adobe in the process of cooling due to the effect of thermal stress, crack, after rolling there is a crack.
Fake titanium bar without metal luster, a reddish or similar color of pig iron, the reason has two points two, its billet is adobe. Inferior material rolling temperature is not standard, their titanium temperature is measured by eye, so can not be rolled according to the rules of the austenite region, the function of titanium is not qualified.
8, Fake titanium rod cross section is oval, the reason is to save information manufacturers, products roll before the two pressure is large, the intensity of this thread titanium is greatly reduced, and does not conform to the size of the thread titanium specification.
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