The related terms of square steel tube size and shape

The related terms of square steel tube size and shape

Square steel tube is not in the machining process will only be used to the professional term, in the introduction to its shape is also can use some professional terms, and often feel confused about to listen to consumers, the following below small make up is to introduce you to a steel tube shape of some professional terms.

1, on the forming of square steel tube with a nominal size and actual size, nominal size is that people are actually hope square steel tube will have a kind of ideal size, and the real size of square steel tube is a actual size, mark them all out is for the convenience of consumers.

2, the deviation of square steel tube and tolerance. Square carbon steel pipe of the tolerance of square steel tube itself can allow the deviation of size, and the deviation is a differentia between the actual size and standard size value, general rarely square steel tube can be fully up to standard size, so some deviation is normal.

3, square steel tube length of delivery can be divided into length, usually specified length and The Times' length. As long as it is within the range - can be called the length of the length, usually specified length is called the specified length, single times square steel tube feet length ratio is called The Times' length.

4, square steel pipe ovality. Every square steel tube lightly some outer diameter range, at which point it the difference between the maximum overall diameter and minimum diameter is the ovality square steel pipe, square steel pipe ovality is as good.
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