steel length size is the most basic dimensions of all steel is steel long, the length of the width, height, diameter, radius, diameter, diameter and wall thickness. Steel length of the legal unit of measurement is meters (m), centimeters (cm), millimeters (mm). Existing habits, "("), but it is not legal units of measurement.
range of steel cut to length is an effective measure to save material. The range length is the length or long by the width is not less than a certain size, or length. Long by wide from within the size range of the number of how many delivery. Production units this size requirements for production supplier.
2. length (usually length) where the size (length or width), the standard within the provisions without the requirements of fixed size called length. Not length length is usually also called the length of the ruler. Metallic materials by length delivery, as long as delivery can be within the specified length range. For example, not more than the ordinary round steel 25mm, its usually the length of the provisions of 4-10m, then the length of the bar in this range are to be delivered.
3. cut to length according to the requirements of orders to cut known as the length of a fixed size. According to the delivery of definite length, the cross-metallic materials must have a demand-side length specified in the contract. For example, the contract specify definite length 5m delivery, the delivery of materials must all be 5m long, shorter than 5m or longer than 5m are unqualified. But can not actually delivery are 5m long, and hence allow for a positive deviation, while not allowed to have a negative deviation.
4 times the foot of a fixed size requirements by ordering cut into integer multiples are called double length. By the time of delivery of the double length, cross-metallic materials must be specified in the contract for demand-side length (called Single ft) integral multiples (plus Jukou) in length. For example, the demand-side requirements in the contract that a single double length is 2m, cut into double-foot length is 4m, cut into 3 double length is 6m, respectively, plus one or two saw cut the amount of . Saw cut the amount specified in the standard. Double length delivery, allowing only positive deviation, does not allow negative bias.
5. short length less than the standard specifies no definite length limit, but not less than the minimum allowed length is called a short foot. For example, water, gas transmission steel pipe standard stipulates that allows each batch of 10% (according to the number of roots) 2-4M short foot steel pipe. 4m is the lower limit of length length, the shortest allowable length of 2m.
6. narrow foot width less than the length the width of the lower limit of the standard requirements, but not less than allowed by the narrowest width called narrow feet. Delivery in a narrow foot, you must pay attention to the relevant standards prescribed ratio of narrow feet and the narrowest foot.