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Question:

Is 30CrNiMo8 a kind of high alloy STEEL?

I don't know it is low alloy steel or high allow steel or medium carbon steel

Answer:

Yes,30CrNiMo8 is a high grade alloy steel. *These steels generally contain higher carbon concentration (0.25%). As they are hardenable their mechanical properties can be tailored to specific needs by suitable adjustment of the annealing temperature. Finished products can be hardened to have a high surface hardness in combination with a tough and ductile core. The mechanical properties increase with increasing carbon concentration. Cr and Ni add additional improvements in properties. The Mn grades are a little cheaper. V and Mo add improved temperature resistance. The grades Cxx are developed for less stringent quality requirements but are cheaper.
Sep 27, 2017
It is a high alloy steel. Look at all the elements in it's name for it's composition: 30% Chromium and Nickel 8% Molybdenum Sounds like a very tough stainless tool steel for cutting rock or something. Chromium and nickel arre the two elements they use to make stainless steel and molybdenum is used to make steel very hard and wear resistant
Sep 27, 2017
Pretty sure it's low alloy steel, it's harder to smelt as it can contain up to 50% of other elements.
Sep 27, 2017

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