| inless steel tube is a stainless steel product known to | | | | the AWA but the internal bead is rolled flush first on |
| be resistant to many forms of corrosion and | | | | the inner surface before it is annealed.b.Cold drawn |
| different sterilization processes. It is more esthetically | | | | welded tube (CDW) and Cold drawn welded annealed |
| appealing compared to other tube materials and is | | | | tube (CDWA) |
| presented with considerable strength. | | | | Cold drawing renders the tube to withstand greater |
| They can come in different forms. A stainless steel | | | | dimensional changes. Tubes that underwent this type |
| tube may be made into steel square, round or | | | | of processing achieve complete uniformity in terms |
| perhaps rectangular sections and they may also | | | | of thickness and concentricity, as well as hardness |
| follow hot or cold drawing processes, spiral welding | | | | and grain structure.c.Cold drawn seamless tube (CDS) |
| process or the longitudinal welding type of process. | | | | Cold drawn seamless tubes follow a very complicated |
| Depending on the need or the requirement, a | | | | processing method. It can be supplied in both the |
| stainless steel tube can be finished in several ways. | | | | annealed and pickled condition and it is usually |
| An unpolished tube will have a 2B mill finish, a | | | | preferred if the tubing needs to be highly corrosive |
| standard polished tube will be graded as finely grit | | | | and pressure resistant while still having exemplary |
| polished, and a finer buff finish will be extremely | | | | surface finish.d.Spiral welded tube |
| polished and appear mirror-like. | | | | You produce this type of tubing by using a |
| There are two types of forming tubes. A tube can | | | | continuous strip of stainless steel. |
| be welded (or joined together) to add rigidity and its | | | | Whichever type of tubing you are using, it follows a |
| construction process and it can be annealed to be | | | | quite general method of installation. Stainless steel |
| able to cause the steel to bend or expand. | | | | square tubing is usually used for step ladders, railings |
| 1.As-welded tube (AW) | | | | and display racks. Among all these, a foot railing is |
| This type of tubing is done inside the welding mill | | | | usually the easiest to do. Here is a step-by-step |
| using cold rolled stainless steel strips. Compared to | | | | procedure to guide you with this simple process: |
| annealed tubes, AW tubes are used more for | | | | • Mark the areas on the bar where the |
| decorative purposes or any purposes that will cause | | | | combination brackets will be fitted into. |
| a very mild type of corrosion. | | | | • Place the end brackets first and then make |
| 2.As-welded annealed tube (AWA) | | | | sure that it positioned well before you permanently |
| This type of tubing goes through the same process | | | | screw it. It is very important for these brackets to |
| as the As-welded tube but to be able to render it | | | | be positioned straight, so measure them and make |
| more flexible and ductile it is annealed inside a | | | | adjustments if any faults have been detected. |
| controlled-atmosphere furnace. This process softens | | | | • Install the satin finish onto the two end |
| the steel and permits bending and expansion. | | | | brackets. |
| More types of tube manufacturing:a.Cold worked | | | | • Check if both ends of the tubing sit equally |
| anneal tube (CWA) | | | | on the bracket. If not, make adjustments. |
| This type of tubing is done in the same method as | | | | |