| Standard size stainless steel pipe fittings | | | | absolute value and is called tolerance, also called |
| ① stainless steel pipe fittings of nominal size and | | | | "tolerance zones." |
| actual size of China Steel China Steel Harbor Harbor. | | | | Bias is directional, that is "positive" or "negative," |
| China Steel China Steel Harbor Harbor Harbor Steel | | | | said; tolerance is not directional, so the deviation is |
| China Steel China Harbor. | | | | called "positive tolerance" or "negative tolerance", it is |
| A, stainless steel pipe fittings of nominal size: the | | | | called is wrong. |
| name specified in the standard size, is the users and | | | | ③ delivery length of stainless steel pipe fittings |
| manufacturers hope to achieve the ideal size is | | | | Delivery length or the length of the contract, also |
| specified in the contract order size. | | | | known as the length of user requirements. Standard |
| B, the actual size of stainless steel pipe fittings: | | | | delivery length on the following provisions: |
| the production obtained during the actual size, the | | | | A, usually the length of stainless steel pipe fittings |
| dimensions are greater than or less than the nominal | | | | (also known as non-cut-length): Where the length of |
| size. This is greater than or less than the nominal size | | | | the standard within the prescribed length and no |
| of the phenomenon is known as bias. | | | | fixed length request, are referred to as usual length. |
| ② Stainless steel pipe fittings bias and tolerance | | | | Standard requirements such as structural pipe: hot |
| A, stainless steel pipe fittings deviation: in the | | | | rolled (extrusion, expansion) tube 3000mm ~ |
| production process, because the actual size is difficult | | | | 12000mm; cold drawn (rolled) steel 2000mmm ~ |
| to achieve nominal size requirements that are greater | | | | 10500mm. |
| than or less than the nominal size, so the standard | | | | B, stainless steel pipe fittings Length Length: |
| set forth in the actual size and nominal size to allow a | | | | Length length should be within the usual length, is |
| difference between. Difference is called the positive | | | | required by the contract size of a fixed length. |
| bias is positive, the difference is called negative bias is | | | | However, the actual operation is absolutely definite |
| negative. | | | | length are cut out is unlikely, therefore, the standard |
| B, stainless steel pipe fittings Tolerance: | | | | length of the cut-sets are allowed deviation. |
| standard requires positive and negative deviation of | | | | |