| Steel alloys are popular in metal manufacturing | | | | These are stainless steel alloys belonging to the 400 |
| industries. With a wide array of forms and shapes | | | | series. Ferrite is more popular as iron and is the same |
| derived from this industrial product, these items | | | | substance that is capable of making cast iron and |
| became popular in the fabrication and feedstock | | | | steel obtain their respective magnetic properties. |
| industries. Machining, forging, casting, assembly and | | | | They are not hardened even under heat treatments |
| spinning processes are employed to produce outputs | | | | or solutions. With cold working though, they may be |
| from these products. | | | | hardened moderately. The best characteristics of |
| The shapes and forms produced form this industrial | | | | ferritic alloys extend to its resistance to corrosion as |
| product include rods, bars, tubes, plates, sheets, | | | | well as its ductile qualities and oxidation properties. |
| shims, spheres, foil, billets, wire, slabs and strips. | | | | Martensitic alloys |
| Some other materials like powders, ingots and fillers | | | | A martensite is a hard form of steel structure and |
| may be produced. Round, hollow, hexagonal and coil | | | | may sometimes be a result of displacive |
| stocks are also end products of steel alloys. Learning | | | | transformation of crystal structures. This type of |
| about the several alloy types gives better | | | | steel alloy is formed through the rapid cooling or |
| understanding of these industrial products. | | | | quenching process of the austenitic alloy. While it is |
| Austenitic alloys | | | | magnetic and ductile, it is only capable of resisting |
| An austenite is produced from a combination of an | | | | corrosion in milder environments. |
| iron solution and an alloy. When it cools it changes | | | | Other types of alloys of steel |
| into other mixtures like ferrite and cementite. At | | | | Besides the three forms of steel alloys discussed |
| some extents, pearlite may also be produced. This | | | | above, there are two more types to take note of. |
| type of steel alloy is favored because of its capability | | | | First, is the precipitation hardened stainless steels |
| to resist corrosion and its increased strength from | | | | defined as metals produced from the combination of |
| the results of cold working. | | | | chromium and nickel. The alloy component of this |
| Austenitic alloys have two types of series. First is the | | | | metal comes from either aluminum or nickel. They |
| 200 series containing manganese, nickel and | | | | may undergo processes for hardening and |
| chromium. The second types is known as the 300 | | | | strengthening. The other type is known as duplex |
| series that contains only nickel and chromium. The | | | | stainless steels and is termed as such because of the |
| mechanical properties of austenite is changed with | | | | presence of two other types of alloys of steel - |
| the use of quenching, annealing or tempering. | | | | austenitic and ferritic. |
| Ferritic alloys | | | | |