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High-strength steel for hoisting and transport machinery SeverHard (18KhGNMFR)

SeverHard (18KhGNMFR) - high-strength wear-resistant steel, specially designed for manufacturing equipment, parts and assemblies operating in conditions of increased wear. Unique properties of SeverHard steel (18KhGNMFR) allow to manufacture equipment with higher performance characteristics, such as less weight and ability to work under heavy loads, with extended service life.
Welded beams, booms, rotary mechanisms and other elements of hoisting and transport machinery


  • High wear resistane due to alloying
  • Combination of high strength and cold resistance up to -40ºC


Characteristics ​Values ​
Hardness, НВ340450**
Thickness*, mm8,0050,00***
Width*, mm15002500
Yield strength, MPa9501150
Ultimate strength, MPa10501500
Cold resistance KCV (-40ºC), J / cm²not less than 30 ​
Elongation min, %11**** ​
* The full range of dimensions is specified, specific dimensions shall be agreed when ordering ** In the process of mastering, hardness - up to 500HB *** In the process of mastering, thickness - up to 50 mm **** By agreement, it is allowed to decrease to 6%

How to buy?

Under the order

Evgeny Leonidovich Skorokhodov


Of availability

The fastest and most convenient way to purchase general-purpose metal products is to use the online store of PAO Severstal.
Online Store