To bend stainless steel tubes, we focus a lot on bending toolings and lubricant selection because this leads to deviations downstream in secondary processes like welding and cleaning. The focus starts with the right tooling set, and using the optimal tool material and setup has the largest influence on successful bending. We are primarily using MIG welding and TIG welding for the stainless steel tube projects.
Especificació
Mida del tub: OD25mm-OD300mm
Material: AISI 304 (1.4301), 316 (1.4401), 316L (1.4404)
Soldadura segons EN5817
Gruix del producte: 1,5 mm-5 mm
Fabrication tolerance according to ISO 2768-M
What's the application status of stainles steel mateiral?
L'aliatge d'acer inoxidable 304 gairebé representa el 50 per cent de tot l'acer inoxidable produït, seguit del 316 (grau marí) i el 409, un aliatge ferrític molt utilitzat al mercat de l'automoció. Els aliatges de la sèrie 300 són de graus austenítics d'alt-níquel, i s'utilitzen àmpliament en la producció en volum, com ara els sistemes d'escapament d'automòbils per a l'aspecte, la resistència i la resistència a la corrosió. Mentrestant, alguns graus ferrítics com el 439 també s'utilitzen cada cop més per la seva resistència, així com per la resistència a la calor i la corrosió.
És difícil soldar acer inoxidable?
Stainless steel retains heat very efficiently, which makes welding bit more difficult especially for the beginners. When faced with excessive welding heat, stainless steel can warp from the high temperatures and even distort during the cooling process. It can also be very unforgiving aesthetically as it displays every blemish and scratch mark that's left behind. Similarly, if you've ever welded on a metal table, you know to take precautions before starting because it scratches so easily. In general, stainless steel is not very forgiving when it comes to hiding mistakes and tends to favor the more experienced welder.
Quin tipus de soldadura és adequat per a acer inoxidable?
There is no simple answer, and it largely depends on what result you're trying to achieve. Stainless steel can be welded with shielded metal arc welding (MIG), gas tungsten arc welding (TIG) and stick welding, and each of these processes will yield a slightly different result. To find the best welding process for your project, consider the following factors: the welder's skill level, the aesthetics of the final piece including bead (welding seam) appearance, the thickness of the metal plus the costs and timing factors of the project. If artistry is paramount, then the finesse of TIG welding could be a good fit, but if speed and efficiency are a priority, then MIG welding may be a better process.
TIG welding is known for its precision which is why it's the go-to process for projects that demand clean, controlled welds, especially on less-forgiving materials like stainless steel alloys or aluminum. Although it produces beautiful welds, it is also the slowest welding process, requiring an experienced welder with excellent technique. It's also easiest to control distortion here. MIG welding is a better choice for projects that aren't concerned with looks but do need the work to be finished efficiently and cost effectively. MIG welding uses simple equipment that can be transported easily, which is why it's a popular choice for maintenance and repair work. Besides above mentioned issue, you also need to consider other factors like the costs and characteristics of the filler metal, how complex the equipment is, and the experience level of the welder.
La soldadura provocarà l'oxidació de l'acer inoxidable?
Yes, it does, very unfortunately. The chromium oxide layer which protects stainless from rusting is destroyed or removed, and this could happen during welding process either heating or cooling. Even with TIG welding, rust can be one of the biggest challenges, and that's why cleaning and pretreatment of stainless steel is so important. With a properly cleaned and prepared stainless steel workpiece, the chromium oxide inside acts as a protective seal against rust during the welding process. It can help the stainless heal itself from discoloration and permanent marks.
Fabmann ofereix un servei de fabricació personalitzat que cobreix plaques d'acer inoxidable, tubs rodons i quadrats, i estem subministrant piques d'acer inoxidable, cobertes de ventilació d'acer inoxidable i suports personalitzats per a equips. Tenim soldadors molt experimentats que poden estar a l'altura de les vostres expectatives, i el nostre estricte procés de control de producció us garantirà un resultat satisfactori.
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