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OK 13Mn

OK 13Mn

OK 13Mn is an austenitic manganese steel electrode which work hardens under impact and compressive stresses. It is primarily used for surfacing and building up manganese steel components exposed to severe impact and moderate abrasion. Typical applications include crusher plates and rolls, cones and mantles of rotary crushers etc. The interpass temperature should be kept as low as possible.

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Typical Tensile Properties

ISO As welded
Elongation Tensile Strength Yield Strength
20 % 780 MPa 480 MPa

Charpy V-Notch Properties

ISO As welded
Impact Value Testing Temperature
70 J 20 °C
45 J -20 °C
35 J -40 °C
25 J -60 °C

Weld Metal Analysis

12.2 %1.08 %0.7 %

Classifications: EN 14700; E Fe9

Alloy Type: Austenitic Mn steel
Coating Type: Lime Basic
Welding Current: AC, DC+