GB/T 4437.2-2017 Translated English of Chinese Standard. (GBT 4437.2-2017, GB/T4437.2-2017, GBT4437.2-2017): Aluminum and Aluminum Alloy Extruded Tubes - Part 2: Seam TubesThis Part of GB/T 4437 specifies the requirements, test methods, inspection rules, mark, package, transportation, storage, quality certificate and ordering list (or contract) contents of aluminum and aluminum alloy extruded tubes produced by split-flow combination mold or bride combination mold. This Part is applicable to the aluminum and aluminum alloy seam circular, rectangular, regular polygon tubes (hereinafter referred to as tube) produced by split-flow combination mold or bridge combination mold. |
Contents
| 3 | |
Scope | 5 |
Requirements | 6 |
Test Methods | 15 |
Inspection Rules | 16 |
Mark Package Transportation Storage | 19 |
Ordering List or Contract Contents | 20 |
Common terms and phrases
Alloy Extruded Tubes Aluminum Alloy Extruded Aluminum and Aluminum Anodic Oxide Coatings appearance quality chemical compositions circular tube coarse-grained ring color number Color or color dimension and specification dimension deviation Edition film code film performance film thickness Film-Code Guangdong heat treatment furnace Inspection Method judged unqualified limit of minimum list or contract macrostructure marked as follows mass fraction mechanical properties method specified minimum local film ordering list Organic Polymer Coatings Particular requirements piece by piece polyurethane polyvinylidene fluoride powder film product classification properties of tensile provisions of GB/T provisions of Table purchaser PVDF quality certificate quantities as specified relevant provisions room temperature sampling quantities Seam Tubes specified in GB/T specified in Table Specified-Length 4000mm specimen is unqualified surface treatment methods surface treatment tube T6 of Alloy tensile at room test method topcoat treatment tube types tube GB/T tube shall conform tube surface tube with Grade Wall-Thickness 2.00mm Wrought Aluminum