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Notes on use (click to expand)

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There are more than 2,500 standardized types of steel worldwide, which differ in their composition, manufacturing and post-treatment processes and therefore also in their intended use. Almost 400 of these materials are also produced in our rolling mills. Finding your way around often costs time and nerves.
Our material database should save you time and nerves and make the material search easier.
If you already know the required material, simply use our search function. For example, search for the short name, EN, AISI or UNS. Under Details you will also find the detailed data sheet, which is also available for download.
Further information on using the material database can be found here.

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1.3401 - X120Mn12 - A

Property Value
EN 1.3401
Short Name X120Mn12
AISI A
B2
B3
B4
C
Common Designations K700; Hadfield Steel; hard manganese steel; STN 17618
Typical Applications Austenitic hard manganese steel for blasting plant construction, security technology (doors, cladding), safe construction, wear-resistant components for crushing plants, crushing jaws, bulk material transport, processing and process engineering, centrifuges, magnet construction
Applicable Standards ASTM A128
C 1,10-1,30
Si 0,30-0,50
Mn 12,00-13,00
P max. 0,100
S max. 0,040
Cr max. 1,50
Analysis Note acc. to SEL
Density [kg/dm³] 7,90
Electrical Resistance at 20°C [Ohm*mm²/m] 0,68
Thermal Conductivity at 20°C [W/m*K] 13,0
Typical Heat Treatment solution annealed
Typical Hardness [HBW] max. 200
Typical Tensile Strength [MPa] 800 - 1100
Category Tooling steels
Energy technology
Defence
Datasheet (PDF)