Our Steels


We have more than 100 years of experience with spring steel (round and flat) manufacturing. Knowledge, perfection and experience we gathered through many years of production, are priceless for us as well as for our clients. Besides typical features of steel, this group of steels needs to have an additional feature. After having been substantially bent and twisted, this steel has to return to its original form after being unloaded. Close cooperation with our clients, research institutes and our own knowledge have enabled us to follow all the demands of automotive industry. Development of spring steels ensures increasing durable dynamic strength. All we have achieved in the previous years, places us among the leading European spring steel manufacturers. Round spring steel is delivered in peeled state too.

Spring steels

EN 10089: 51CrV4, 52CrMoV4, 56SiCr7, 56Si7, 61SiCr7, 55Cr3
WNr.:1.5025: 51Si7
WNr.:1.7792: 58CrMoV4


  Production programme - catalogue (6,4 MB)


Our largest group of steels has also grown with us since the beginnings of the company. Our company has successfully developed and grown, and through the years and new technologies, our assortment of engineering steels has grown too. Our engineering steel is due to wide programme spectrum indispensable in automotive industry, forges, machine manufacture… Engineering steel can be delivered in hot rolled as well as in peeled state.

Forging steel

EN 10025-2: S355J2, S235JR
EN 10083-2: od C22R, C35R, C40R, C45R, C50R, C55R, C60R
EN 10084: 16MnCr(S)5, 20MoCr(S)5, 20MnCr(S)5
EN 10083-3: 30MnB5, 25CrMo(S)4, 34CrMo(S)4, 42CrMo(S)4
DIN 17350: 31CrV3, 51CrV4

Carbon steel – for case - hardening

EN 10084: C10E, C15E, C10R, C15R

Alloyed steel – for case - hardening

EN 10084: 17Cr3, 16MnCr5, 20MnCr5, 18CrMo4, 20MoCr4, 17CrNi6-6, 20NiCrMo2-2, 18CrNiMo7-6

Carbon steel – for hardening and tempering

EN 10083-2: C22E, C35E, C45E, C55E, C50E, C60E

Alloyed steel – for hardening and tempering

EN 10083-3: 30CrNiMo8, 34CrNiMo6, 34Cr4, 41Cr4, 25CrMo4, 34CrMo4, 42CrMo4, 50CrMo4, 51CrV4

Structural steel

EN 10025-2: S235JR, S275JR, S355J2, E295, E335, E360,

Steel for welded chains

DIN 17115: 27MnSi5, 20NiCrMo2, 23MnNiMoCr54, 30CrMoV8

Steel for cold forging

EN 10263: C4C, 17Cr3, 17CrNi6-6, 18CrMoS4, 34CrNiMo4, 20NiCrMoS2-2, 38Cr2, 34Cr4, 37Cr4, 41Cr4, 16MnCrS5, 20MnCrS5, 25CrMo4, 34CrMo4, 22B2

Alloyed steel

WNr.:1.5231: 38Cr4
EN 10083-3: 30CrNiMo8, 34CrNiMo6, 34CrS4, 37CrS4, 41CrS4, 25CrMoS4, 34CrMoS4, 42CrMoS4, 50CrMo4, 51CrV4
EN 10085: 31CrMoV9

Structural steel for housings of bearings

DIN EN ISO 683-17: 100Cr6, 100CrMnSi6-4

Steel for heavy-duty automotive parts

WNr.:1.5231: 38MnVS5
VW-TL 1427: 27MnSiVS6, 27MnSiVS6+Ti, 30MnSiVS6
VW-500-30: 36MnVS4, 70MnVS4, 46MnVS5


  Production programme - catalogue (6,4 MB)


The steel we have developed with only one purpose – to increase its machinability. Use of this steel increases lifetime of cutting tools up to four times, which considerably reduces the costs for the user. With this procedure, we transform hard aluminium oxides, which are the main cause of tool wear, into plastic calcium aluminates with an outer layer of calcium sulphide. The sulphide layer transforms itself during machining process into a lubricating layer between the cutting tool and the machined part, what results in better machinability. This group of steels was protected by our EXEM STEEL trademark. These steels can also be delivered hot rolled or peeled.

EXEM steel with improved machinability

po WNr.: 20MnV6 EXEM, 38MnVS6 EXEM, 30MnB4+Ti EXEM
EN 10084: C15R EXEM, 16MnCrS5 EXEM, 20NiCrMoS2-2 EXEM, 20MnCrS5 EXEM
EN 10084 in UNI 7846:16CrNi4 EXEM,
EN 10025-2: S235JR EXEM, S355J2 EXEM,
EN 10083-2: C22R EXEM, C35R EXEM, C40R EXEM, C45R EXEM,
EN 10083-3: 25CrMo4 EXEM, 41CrS4 EXEM, 42CrMoS4 EXEM
UNI 7845: 39NiCrMo3 EXEM
UNI 7846: 18NiCrMo5 EXEM


  Production programme - catalogue (6,4 MB)