CHARACTERISTICS
Boron steels are characterized by very good formability in hot rolled state and very high strength after quenching and tempering. Boron as an alloying element effectively increases hardenability of steel.
Boron steels are under development. Orders are subject to prior agreement.
KEY FEATURES

Products supplies as coils
26MnB5a), 34MnB5a), 27CrMnB5-2
Grades according to EN10083-3
APPLICATION
Agriculture: products which require very good wear resistance and high strength i.e. components of agricultural machinery.
Automotive: tubular stabilizer bars, hot forming applications
TECHNICAL SPECIFICATION
CHEMICAL COMPOSITION
Grades according to EN10083-3 U.S.Steel Košice s.r.o | Heat analyses in weight % | |||||||
---|---|---|---|---|---|---|---|---|
C | SiMAX | Mn | PMAX | SMAX | Cr | Ti | B | |
26MnB5a) |
0.23 - 0.29 | 0.4 | 1.10 - 1.40 | 0.025 | 0.035 | 0.10 - 0.40 | 0.01 - 0.06 | 0.0008 - 0.0050 |
34MnB5a) |
0.32 -0.37 | 0.4 | 1.15 - 1.45 | 0.025 | 0.035 | 0.10 - 0.40 | 0.01 - 0.06 | 0.0008 - 0.0050 |
27CrMnB5-2 |
0.24 - 0.30 | 0.4 | 1.10 - 1.40 | 0.025 | 0.035 | 0.30 - 0.60 | 0.01 - 0.06 | 0.0008 - 0.0050 |
a) Grades are modification of 20MnB5 and 30MnB5 according to EN10083-3
PRODUCTION PROGRAM
26MnB5
min. thickness [mm] | max. thickness [mm] | max. width [mm] |
---|---|---|
3 | 3.49 | 1000 |
3.5 | 3.99 | 1100 |
4 | 4.49 | 1240 |
4.5 | 4.99 | 1290 |
5 | 5.99 | 1340 |
6 | 12.5 | 1547 |
Boron steels are under development.
Grades and dimensions are subject to mutual agreement.
OTHER FEATURES
SURFACE TREATMENT
- pickled, non-pickled coil
- pickled max. thickness 4.2 mm, higher thicknesses upon agreement
DIMENSIONAL TOLERANCE
- EN10029 or EN10051 (according to EN 10083-1 Annex D)
If you need specific parameters not listed here, please contact us
DOWNLOAD
Logistics information
We offer flexible product delivery with multiple options for packaging and methods of transportation.

WE PRODUCE FOR SUSTAINABILITY
All processes in society are subject to interest in sustainability in the field of environmental, social and company management. So our steels bear a sign of sustainability.

B O R O N S T E E L S F O R Q U E N C H I N G A N D T E M P E R I N G
Contact

CONTACT US PERSONALLY
Milan Beličák
Director Sales, Czech Republic and Slovakia
+421 556 734 598
+421 903 601 790
mbelicaksk.uss.com

Milan Malík
Director Sales, Poland
+421 556 734 654
+421 903 627 471
mmaliksk.uss.com

Eva Širilová
Director Sales, West Europe
+421 556 734 016
+421 917 656 761
esirillovask.uss.com

Ján Rohár
Director Sales, South & East Europe and Export
+421 556 734 596
+421 903 616 433
jroharsk.uss.com

Dušan Dzurovčin
Key Account Manager, Austria
+421 556 734 538
+421 917 731 813
ddzurovcinsk.uss.com
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If you are interested in cooperation, do not hesitate to write us a message. We will contact you immediately with a specific offer.