Acero inoxidable ferrítico Serie 400
El acero inoxidable ferrítico de la serie 400 es un acero inoxidable con bajo contenido de níquel y sin níquel, y su conformabilidad, resistencia a la corrosión y resistencia a la oxidación es buena, lo que se conoce como acero inoxidable "económico". Hay cinco tipos de aceros inoxidables ferríticos, tres grados estándar y dos grados especiales.
Hasta ahora, los más grandes y utilizados son principalmente los grados de acero estándar. Por lo tanto, el acero inoxidable ferrítico estándar general puede satisfacer y aplicarse completamente a las necesidades de la mayoría de los escenarios de aplicación.
Formas suministradas: lámina, tira, tubo, barra, accesorios y bridas, tubería, placa
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| GB | JIS | America | KS | BS EN | IS | AS | CNS | |||
| Old | New（07.10） | ASTM | UNS | |||||||
| 0Crl3Al | 06Crl3Al | SUS405 | 405 | S40500 | STS405 | 1.4002 | 04Cr13 | 405 | 405 | |
| - | 022Cr11Ti | SUH409 | 409 | S40900 | STS409 | 1.4512 | - | 409L | 409L | |
| 00Cr12 | 022Cr12 | SUS410L | - | - | STS410L | - | - | 410L | 410L | |
| 1Cr17 | 10Cr17 | SUS430 | 430 | S43000 | STS430 | 1.4016 | 05Cr17 | 430 | 430 | |
| 1Cr17Mo | 10Cr17Mo | SUS434 | 434 | S43400 | STS434 | 1.4113 | - | 434 | 434 | |
| - | 022Cr18NbTi | - | - | S43940 | - | 1.4509 | - | 439 | 439 | |
| Product | Ferritic Seamless Stainless Steel Tubes |
| Size | OD: 19.05-76.2mm |
| Thickness | 0.5mm to 12.7mm |
| Length | up to 24m |
| Standards | ASTM A688/ A268M, ASME SA268/ SA268M |
| Applicatiobn | Automotive application, Kitchenware, Industrial Equipment, Cutlery, Aerospace and General Engineering |
| Certification | EN 10204 3.1 |
| Testing | Hydro Tested, Chemical, Mechanical Test, PMI |
| Inspection | Third Party Inspection, Buyer Inspection |
| Packing | Weaving Bag, Seaworthy Bundles, Wooden Case if required |
| Delivery Condition | Annealed and Pickled, Bright and Annealed |
| Delivery Time | 1-2 Days for Material in Stock, 7-30 Days for Make to Order Materials |
| Packaging Details | KNITTED PLASTIC BAG BUNDLE / WOODEN CASE OR ACCORING TO CUSTOMER REQUEST |
| Minimum Order Quantity | 0.5-1 TON |
1. (409 or 410L stainless steel)
This type of steel has the lowest chromium content of all stainless steels, is therefore the cheapest, and is best suited for use in environments with no or slight corrosion, and allows for slight localized rusting. 409 stainless steel was originally designed specifically for automotive exhaust systems (which are less corrosive to the outside world). Stainless steel is commonly used in containers, buses, coaches, and more recently as an outer frame for LCD displays.
2. (430 stainless steel)
This is the most widely used type of ferritic stainless steel, containing high chromium, good corrosion resistance, and most properties are similar to 304. It can replace 304 stainless steel. In some application scenarios, it is generally used indoors and has sufficient corrosion resistance. The main uses are washing machine drum, lining board and so on. Usually 430 stainless steel is often used as a substitute for 304 for kitchen equipment, dishwashers, kettles, pots, etc.
3. (including 430Ti, 439, 441 stainless steel, etc.)
This grade has better weldability and formability than the second grade. It's even better than 304 stainless in most cases. Common applications include sinks, heat exchangers (sugar industry, energy, etc.), automotive exhaust systems (longer life than 409), and welded parts of washing machines. The third brand can even be used in place of 304 stainless steel in applications with higher performance requirements.
4. (including 434, 436, 444 stainless steel and other types)
These grades use molybdenum added to improve corrosion resistance and are commonly used in hot water tanks, solar water heaters, automotive exhaust systems, electric kettle and microwave components, automotive trim strips, and outdoor panels. The corrosion resistance of steel is comparable to 316.
5. (including 446, 445/447 stainless steel, etc.)
By adding more chromium and molybdenum, the corrosion and oxidation resistance of the product is improved. The corrosion resistance and oxidation resistance of these grades are better than 316. Coastal and other common use high corrosion resistant environments.
