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Corrosion-resistant, temperable steels
Martensitic stainless steels, as is the case of quenched and tempered steels, can be tempered. For this reason the products can be provided in both the annealed state (a treatment that improves their machinability and deformability) and in the quenched and tempered state (which instead enhances their mechanical strength and corrosion resistance characteristics).
In order to achieve high surface hardness values, it is finally possible to subject these steels also to induction hardening after chip removal machining.
As with the other steels, the versions with the addition of sulfur lend themselves more easily to machining by chip removal.
Product Code
410
Quality - Wr.N.
X12Cr13 - Nr.1.4006
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.
Product Code
416
Quality - Wr.N.
X12CrS13 - Nr.1.4005
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.
Product Code
420A
Quality - Wr.N.
X20Cr13 - Nr.1.4021
Widely used quenched and tempered steel, with mechanical characteristics superior to those of the 410 base type at the quenched and tempered state.
Product Code
420B
Quality - Wr.N.
X30Cr13 - Nr.1.4028
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.
Product Code
420C
Quality - Wr.N.
X39Cr13 - Nr.1.4031
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.
Product Code
420C1
Quality - Wr.N.
X46Cr13 - Nr.1.4034
Similar to the above but with a higher carbon content, suitable for small pieces with high hardness, including rollers and balls for special bearings.
Product Code
430F
Quality - Wr.N.
X14CrMoS17 - Nr.1.4104
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.
Product Code
1.4122
Quality - Wr.N.
X39CrMo17-1 - Nr.1.4122
Steel similar to 420C but with the addition of molybdenum, which increases its resistance to corrosion at high temperature.
Product Code
431
Quality - Wr.N.
X17CrNi16-2 Nr.1.4057
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.
Product Code
631M
Quality - Wr.N.
X7CrNiAI17-7 - Nr.1.4568
Precipitation hardening stainless steel with high corrosion resistance and also high mechanical characteristics
Product Code
X46CRS13
Quality - Wr.N.
X46CrS13 - Nr.1.4035
Martensitic stainless steel that contains high % of carbon that allows heat treatments and sulfur that allows high workability
