Non-magnetic steel normally mean with low-grade magnetic property, magnetic conductivity μ≤1.319×10-6 h/m, widely used in large and middle voltage transformer, electromagnet, or other types non-magnetic equipment, Non-magnetic steel belongs to Fe-Mn-Ai-C series austenitic steel, metallographic is stable, mechanical property is excellent, with low magnetic conductivity and high electrical resistivity, low eddy current loss in magnetic field.
ZGMn13, equivalent to DIN 1.3401 standard steel X120Mn12, is a non–magnetic abrasion resistant steel well known as Hadfield steel. It’s known for its’ high impact strength and abrasion resistance. In the work-hardened state, it achieves up to 600 HB hardness.
ZGMn13, which is the German standard X120Mn12. This type of steel contains 10% to 15% manganese, and the carbon content is relatively high, generally 0.90% to 1.50%, most of which are above 1.0%. The pre-processed Mn13 rolled steel plate has a much higher wear resistance than the imported low-alloy wear-resistant steel under no impact or low pressure environment, and of course it is much stronger than the domestic wear-resistant steel NM420. And the cutting and welding performance is also very good.
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Tensile stress (Mpa) | Elongation (%) |
0.9-1.35 | 0.3-1.0 | 11.0-14.0 | ≦0.07 | ≦0.04 | ≧685 | ≧25 |
Yield | Tensile | Impact | Elongation | Reduction in cross section on fracture | As-Heat-Treated Condition | Brinell hardness (HBW) |
894 (≥) | 262 (≥) | 21 | 33 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc |
It has high tensile strength, plasticity and toughness, and non-magnetic, even if the parts are worn to a very thin level;
It can still withstand large impact loads without breaking, and can be used to cast various impact-resistant wear parts;
Such as ball mill liner, excavator tooth, crusher tooth plate, etc. Generally used for simple structure;
Low-impact castings that are mainly wear-resistant are required, such as liners, tooth plates, broken walls, rolling mortar walls, roller sleeves and shovel teeth.
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