The most widespread carburized free-cutting steel; the addition of silicon guarantees the uniformity of the austenitic grain, while the limited percentage of sulfur allows a successful hardening treatment after carburizing.

Automatic sulfur manganese steel; the limited % of sulfur allows the good treatment of hardening after cementation

Steel with the addition of sulfur only, with good machinability.

Steel with the addition of sulfur only, in higher quantities than in 11SMn30; increased machinability at the expense of a slightly more accentuated fragility

Free-cutting steel with the addition of lead to increase chip removal productivity. It is the most common type in Germany. Good machinability.

Free-cutting steel with the addition of lead similar to the previous one, but with a higher sulfur content. It is the most common type in Italy and France. Excellent machinability.The Telyx version has a further improved machinability with respect to PS113.

Steel with the addition of sulfur, lead, tellurium, and bismuth; allows a very high cutting speed of the tool with excellent finishes. Also has a particular cold deformability.

Steel similar to the previous one, but with a higher sulfur content; reaches the maximum levels of machinability, combining all of the advantages tied to productivity in a single product.

This steel is not unified in the standards. It is used when you want to obtain a mechanical resistance of circa 600 MPa, not achievable with other low-carbon free-cutting steels, while maintaining good machinability. Not suitable for heat treatments.

Automatic Steel of American use with the addition of sulfur only , with good workability

Steel with low carbon content and with the addition of sulfur for improved machinability.

Steel with the addition of sulfur only; the higher carbon content gives this quenched and tempered steel greater mechanical characteristics.

Free-cutting steel with an average carbon content; the addition of tellurium allows an even better machinability.

Free-cutting steel with sulfur only, with a high carbon content to obtain optimal hardness after tempering.

Steel with the addition of sulfur and lead; the special carbon content allows excellent hardness to be obtained after tempering.

Classico acciaio automatico da bonifica con aggiunta di solo zolfo, presenta una temprabilità migliorata per garantire una migliore modificabilità, è possibile richiederlo anche allo stato di bonificato

Classic quenched and tempered free-cutting steel with the addition of sulfur and lead. The SAE1137Pb version, with the same composition, has a slightly higher temperability and is used for products delivered at the quenched and tempered state.

Steel with the addition of sulfur and lead; the higher carbon content gives this quenched and tempered steel greater mechanical characteristics.

Manganese and chromium steel suitable for small or medium-sized pieces.

Manganese and chromium steel with a content of alloy elements slightly higher than the previous type, suitable for large pieces.

Steel with a low chrome, nickel, and carbon content. Suitable for small pieces. It has a good cold deformability at the globular annealed state.

Steel with the addition of chromium and nickel in higher quantities than RN0.  Used for pins and gears.

Steel with the addition of chromium and nickel in higher quantities than RN0 and RN2.  Has a greater temperability, with higher surface and core characteristics.

Steel that originated in the automobile industry, no longer present in the international standards. Thanks to its high nickel content, it is used for pieces that are particularly subject to fatigue and vibrations.

Steel with chromium, nickel, and molybdenum, suitable for pieces of a complex shape with good core tenacity.

Alloy steel with chromium, nickel, and molybdenum. This is a carburized steel with excellent temperability that is often used to obtain pieces with high requirements and complex shapes such as gears and large shafts subject to fatigue and vibrations.

Low carbon non-alloy carburized steel. Temperable in water.

Non-alloy carburized steel with slightly more carbon than the previous one. Temperable in water.

Unalloyed cementation steel very similar to C15 but with a little more manganese which improves its hardenability

A low-alloy steel with the addition of chromium only, it is primarily used in bolts for small- and medium-sized pieces.

A chromium and manganese alloy steel, no longer present in the unified standards, it is widely used in the quenched and tempered state for pins and hubs of heavy equipment and more generally in the automotive field.

Alloy steel with chrome and molybdenum and a low carbon content; for this reason it is one of the few quenched and welded steels that can be welded (with some precautions) and it is used in gears and for small- and medium-sized pieces. The presence of molybdenum avoids the phenomenon of fragility by tempering.

Steel similar to the previous one: the greater carbon content makes welding more difficult, but favors temperability.

Steel with chromium and molybdenum, used in the production of average-sized pieces. At the quenched and tempered state it has good mechanical characteristics and does not suffer from embrittlement from tempering.

The most widely used of the quenched and tempered steels. The excellent temperability and the absence of embrittlement fragility make this steel suitable for the production of a variety of pieces, also of medium-large size, with high mechanical characteristics.

Steel similar to the above, but with a higher carbon content. It is used for the same purposes, when a surface hardness obtained by induction tempering is also necessary.

A steel widely used in Italy, it is in any case included in the European standards. The addition of nickel in addition to chromium-molybdenum improves the performance of the pieces obtained, especially with regard to resistance to fatigue and vibrations.

This is the steel most commonly used in northern Europe when the addition of nickel is required by the severe use conditions. It has an elevated temperability thanks to the presence of significant levels of nickel and chromium: it is even suitable for the construction of large pieces that, at the quenched and tempered state, have well transformed structures down to the core.

Quenched and tempered steel with high temperability and toughness thanks to the high chromium content. It can be quenched and tempered at high resistance values and offers hardness consistency and uniformity. Generally used for pinions and shafts. Has average machinability on tool machines. Can be nitrided at the quenched and tempered state to increase resistance to wear and the fatigue limit.

Steel with a limited addition of chromium and boron, which provide greater temperability with respect to similar steels with carbon only (C45).  It is not unified in any standard, but is used in the automobile industry and in other fields.

Alloy steel with chrome molybdenum vanadium, generally used for boilers, steel that resists at high temperatures up to about 550° C, generally used for particulars and shafts for turbines, nuts and tubes

Alloy steel with chrome molybdenum vanadium, generally used for boilers; steel resistant to high temperatures up to 540°C, generally used for plugs, gears, bushings, valves

Chrome-boron alloy steel generally used in bolts production

Low-alloy steel with addition of chrome only,similar to the 37CrS4 ; it is mainly used in bolts production for small and medium-sized pieces

Chrome-boron alloy steel with more carbon than 32CrB4; generally used in nuts and bolts production even in the most demanded classes

Low-alloy steel with the addition of chrome only , similar to the 41CrS4 mainly used in bolts production for small and medium-sized pieces

Chrome vanadiuam alloy steel generally used for hardened springs, keys, chisels

Non-alloy steel with very low temperability, temperable only in water and used for simple and small pieces. Often used without the quenching and tempering treatment.

Non-alloy steel quenchable and temperable in water with higher carbon contents than KV20.  Used for simple pieces of limited size.

Non-alloy steel quenchable and temperable in water, higher carbon content than the previous types. Widely used thanks to its slightly higher temperability.

Non-alloy steel quenchable and temperable in water and oil, allows higher mechanical characteristics to be obtained. It is one of the most used steels in Europe.

Non-alloy steel, quenchable and temperable in water and oil. Pieces of a particular size with sufficiently transformed structures can be extracted. It is one of the most used steels in Europe.

Non-alloy steel quenchable and temperable in oil, with high carbon levels, allows pieces with rather high hardness to be obtained. Also suitable for surface tempering.

The high carbon levels of this non-alloy quenched and tempered steel allow high hardness and transformed structures to be obtained even in pieces of considerable size.  Often used for surface tempering.

Steel used initially in the automobile industry, with a limited carbon content. Limited surface hardness after induction tempering.

Steel with more carbon than the previous one, very popular and used especially in Italy to obtain higher surface hardness.

This type is widely used in Germany instead of C45 and, thanks to the higher carbon, allows high surface hardness to be obtained.

This steel has the highest amount of carbon in this category, and is used in the automobile industry to obtain shafts and pins with high surface hardness to resist wear and sliding.

A carbon steel in accordance with US standards, it has a very high resilience even at low temperatures. Used for flanges, fittings, and construction in general.

Steel produced at the quenched and tempered state according to the United States standard ASTM A-193, widely used for linkages and bolts destined for the oil industry. It is analytically similar to 42CrMo4 of the European standard. The B7M version, produced at higher temperatures, has slightly lower resistance characteristics but greater plasticity.

A steel produced at the quenched and tempered state according to the United States standard ASTM A-193, it is used for linkages and bolts destined for the oil industry. Analytically similar to the 40CrMoV4-6 type of the European standard EN 10269.  It has greater temperability than the previous type thanks to the higher amount of alloy elements.

Steel produced at the quenched and tempered state according to the United States standard ASTM A320, used for linkages and bolts destined for use at low temperature in the oil industry. It has mechanical characteristics similar to the A193 B7 type, but additionally guarantees resilience values at low temperature. The B7M version, produced at higher temperatures, has slightly lower resistance characteristics but greater plasticity.

Steel generally used in large size bolts up to 4” that require high performance of resilience at low temperatures , it has the same mechanical characteristics as the ASTM A320 L7 quality

Steel with a very low carbon content, intended for the cold forming of very deformed and difficult-to-obtain small parts.

Low carbon steel with a chemical composition specially designed for cold deformation. The pieces obtained are generally subjected to carburization and tempering.

Base steel for the production of balls, rollers and rings for bearings, and for all small parts that must be subjected to localized and repeated loads. The high carbon and chromium content allows high hardness and perfectly transformed structures to be obtained after tempering. When it must be machined by chip removal or cold deformation, it must always be provided at the globulization annealing state.

Carbon steel derived from the E335 type of the standard EN 10025-2; the addition of sulfur confers greater machinability by chip removal. Not suitable for hardening heat treatments.

This basic steel with a low carbon content, present in the regulations since the beginning of the varied standards (Aq37, Fe37, Fe360, S235), is still widely used thanks to its versatility as it can be welded, bent, deformed, and worked in a variety of ways. Not suitable for heat treatments.

Carbon steel present in the European standard EN 10025-2 as S355, it has a very high resilience even at low temperatures. Widely used for the production of flanges and fittings and for construction in general. Not suitable for hardening heat treatments.

Austenitic stainless steel.

Chromium-nickel austenitic stainless steel. The rather high carbon content allows high values of mechanical resistance to be achieved through extrusion hardening. Used for springs, antennas, and high resistance pieces.

Chromium-nickel austenitic stainless steel with the addition of sulfur, which improves machinability by chip removal with machine tools, reducing however the resistance to corrosion in aggressive environments. The special “Plus” processing allows performances to be further improved during machining in terms of surface finish, tool life and machine productivity.

Steel with characteristics similar to 303Plus, but with the addition of copper which, in addition to improving machinability on machine tools, also makes it suitable for certain types of cold deformation.

The reference steel for the chromium-nickel austenitic stainless steel category, it has good resistance to corrosion, cold deformability, and polishability. Its versatility makes it widely used for cutlery, grills, urban fixtures, and appliances, as well as in the automobile industry and in other applications.

Steel with characteristics similar to 304 but with a limited carbon content, which determines a higher resistance to intercrystalline corrosion and improved weldability. The 304Plus version, in addition to a controlled sulfur content, undergoes a special processing during the steelworks process that further improves machinability by chip removal.

Steel with characteristics similar to 304; the addition of titanium makes it more stable and further improves its resistance to intercrystalline corrosion.

Steel with characteristics similar to the previous one, in which niobium is the stabilizing element to improve resistance to intercrystalline corrosion.

Steel with characteristics similar to 304L, with a balanced analysis specially designed to enhance the cold deformability characteristics. Used for moulded pieces of all types (screws, pins).

The addition of copper to the base characteristics of 304 significantly increases cold deformability. It is therefore used for fasteners and in general for cold moulded parts when they are complex and have extreme deformations.

Chromium-nickel-molybdenum austenitic stainless steel: this combination allows it to resist the action of chlorides. It is the typical steel for use in marine environments or in the chemical and food industries.

Steel with characteristics similar to 316 but with a limited carbon content, which determines a higher resistance to intercrystalline corrosion and improved weldability. The 316Plus version, in addition to a controlled sulfur content, undergoes a special processing during the steelworks process that further improves machinability by chip removal.

Steel with characteristics similar to 316; the addition of titanium makes it more stable and further improves its resistance to intercrystalline corrosion.

This steel is derived from 316L with an increase in the minimum molybdenum and nickel content: it is one of the most resistant steels in marine environments and in general in the presence of chlorides. It is used in critical situations in contact with salt and in the food industry.

Thanks to extensive studies on the characteristics of stainless steels and market needs, Rodacciai has invented and patented Rodinox®℗, a low-nickel austenitic stainless steel wire with mechanical and corrosion resistance characteristics similar to those of 1.4301 (AISI 304), which it can replace in most cases.  The austenitic structure is obtained through an opportune balancing of Ni (lower than 304), Mn, Cu, and N (higher than 304) contents; the other elements are similar to 304. In addition to the complete range of drawn wire products used for household goods, appliances, grills, racks, bicycle spokes, clothesline wires, etc., Rodacciai has also developed Rodinox Plus® in bars, with improved machinability by chip removal characteristics.

Duplex steel of recent design, it has a high resistance to corrosion. It is used in place of 304 and, for certain applications, also in place of 316.  Typical applications include the petrochemical industry, the paper industry, heat exchangers and valves for the oil and gas industry, and construction.

A duplex steel, it has a high resistance to corrosion and is widely used in particularly aggressive environments such as those of offshore platforms. With high percentages of alloy elements, it has a higher chromium content and lower molybdenum content than AISI 2205. It is widely used in Northern Europe.

A dual phase steel, it has a very high resistance to corrosion and is especially used in offshore platforms. With respect to SS2324, it has a slightly lower chromium content and a greater quantity of molybdenum.

Basic ferritic stainless steel with a good resistance to corrosion: widely used in appliances, grills and the automobile industry. Difficult to machine by chip removal but with good cold deformability qualities. Some precautions are necessary during welding.

Acciaio simile al 430, con l’aggiunta di Niobio ne migliora la lavorabilità alla macchina utensile.

It is similar to the previous one, but the addition of sulfur improves its machinability, making it however less resistant to corrosion. Used for machining with chip removal, it is the low carbon version of the American 430F type. It is also used because of its low magnetic hysteresis characteristics.

Steel similar to 430 with the addition of molybdenum, which confers a good resistance to atmospheric corrosion at room temperature and at higher temperatures.

The particular chemical composition of this steel, with high chromium and nickel levels, allows it to resist elevated temperatures in an excellent way, for example in pieces exposed to the heat of heat treatment ovens.

Similar to the previous type, it is differentiated only due to some analytical differences that further improve its resistance to high temperature.

Basic martensitic steel with a low carbon content, a characteristic that on one hand limits temperability and mechanical characteristics after tempering, and on the other increases versatility. Suitable for all those fields in which very high mechanical characteristics are not required. Corrosion resistance sufficient for non-demanding applications.

Steel similar to the previous one; the addition of sulfur improves machinability by chip removal, but reduces resistance to corrosion, which in any case is improved with the material at the quenched and tempered state.

Widely used quenched and tempered steel, with mechanical characteristics superior to those of the 410 base type at the quenched and tempered state.

Probably the most popular of the martensitic stainless steels, it has a higher carbon content than the previous type, and combines good corrosion resistance, good deformability at the annealed state and good temperability. Used for pump shafts, electric motor shafts, tools and cutlery.

Martensitic stainless steel with a high carbon content, suitable for pieces with an elevated hardness such as tools, cutlery, and blades in general. After quenching and tempering the surface can also be hardened by induction tempering.

Similar to the above but with a higher carbon content, suitable for small pieces with high hardness, including rollers and balls for special bearings.

Martensitic steel with low temperability. The addition of sulfur makes this type widely used for mechanical machining with chip removal, also without the quenching and tempering treatment. The resistance to corrosion is limited due to the presence of sulfur, but is better in any case with respect to the 416 type thanks to the addition of molybdenum.

Steel similar to 420C but with the addition of molybdenum, which increases its resistance to corrosion at high temperature.

Martensitic stainless steel with the addition of nickel, which improves its resistance to corrosion. It is widely used even if, due to the limited carbon content, it has average mechanical characteristics.

Precipitation hardening stainless steel with high corrosion resistance and also high mechanical characteristics

Martensitic stainless steel that contains high % of carbon that allows heat treatments and sulfur that allows high workability