Hot rolled steel bars (black, bright)
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Low-alloyed steels contain carbon and alloying elements such as nickel, chromium in molybdenum. Their amount is generally low, up to 2%. Primary function of these alloying elements are increasing hardenability in conjuction with optimizing mechanical propertis and ductility of these steels.
Alloyed steels contain carbon and a higher amount of alloying elements such as nickel, chromium, manganese, cobalt, niobium and vanadium. These elements are added to improve mechanical properties,
ductility and other steel service properties.
Low Alloyed Steels
Constructional Steels
During the last fifty years, engineers have demanded steels with higher and higher tensile strength, together with adequate ductility. This has been
particularly so where lightness is desirable, as in the automobile and aircraft industries. The principal alloying elements added to steel in widely varying amounts either singly or in complex
mixtures are nickel, chromium, manganese, molybdenum, vanadium, silicon and cobalt. In regard to alloying elements, these steels are known as low-alloyed steels and alloyed steels. These steels are
used as case hardening steels, quenched&tempered steels, free-cutting steels, nitriding steels, surface hardening steels, spring steels and high-strength steels
Alloyed Steels
Cold-work steels have high chromium contents. They ensure high surface hardness, good toughness and compressive strength, and provide excellent wear resistance. Typical applications include
cold-work tools, cutting-off tools, rolls for cold rolling, measuring tools...
Hot-Work Steels
Hot-work steels contain chromium, tungsten, and molybdenum. Their properties are matched specifically to high-temperature applications. They are used for
hot-work tools, die casting tools, extrusion tools, etc.
Low-Alloyed Cold-Work Steels
The so-called special-purpose tool steels include low-cost, low-alloyed steels, often specified for machine parts when wear resistance combined with toughness is important. They are usually
quenched, which makes them relatively tough and easily machinable. They are typically used for reamers, tap drills, various cutting tools, drawing dies, etc.
High-Speed Steels
High-speed steels contain molybdenum and tungsten. They are hardened to 62-67 HRC and maintain this hardness in service temperatures as high as 540
Metal Ravne, d. o. o. , a steelmaking company ==> THE NAME YOU CAN TRUST.
- Technique:Hot Rolled
- Certification:Other
- Country:Slovenia
- telephone:386-2870-7500
| Minimum Order Quantity: | 5 Ton |
| Technique: | Hot Rolled |
| Certification: | Other |
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