Designation by Standards

Brand Name	Ravne No.	Mat. No.	DIN	EN	AISI
12MN	901	1.3401	X120Mn12	-	A128 grade A

Chemical Composition (in weight %)

C	Si	Mn	Cr	Mo	Ni	V	W	Others
1.20	0.40	12.50	max. 1.50	-	-	-	-	-

Description
Austenitic Mn-steel. The well-known Hadfield steel still has broad applications in the mineral processing industry. Especially under impact loading Hadfield steel displays good wear resistance due to its high cold work ability. However, Hadfield steel is not corrosion resistant.

Applications
Components for dredgers and crushers, conveying machines: crushings jaws, impact wedges, linings, etc.

Physical properties (avarage values) at ambient temperature
Modulus of elasticity [10³ x N/mm²]: 190-210
Density [g/cm³]: 7.88

Hardening
Harden from a temperature of 1000-1050^oC followed by water quenching. Hardness after quenching is about 200 HB.

Mechnical properties at ambient temperature:
0.2 % proof stress (N/mm²): 350
Tensile strength (N/mm²): 800-1000

Forging
Hot forming temperature: 1050-850^oC

Machinability
The machinability of this steel is poor.

Forms manufactured: Please see the Dimensional Sales Program.

Disclaimer
The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

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