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After adding chromium to high manganese steel, due to the interaction of chromium and manganese, the number of network carbides in the product boundary increases(silicon carbide price). In order to fully dissolve the network carbides, The temperature should be increased during the melting process. Therefore, from this point of view, adding chromium to high manganese steel can increase the stability of austenite(low sodium white fused alumina). Even increased, w(Mo)<2.0% in general steel.

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Therefore, the chromium-containing high manganese steel has a higher heating temperature than ordinary high manganese steel during solution treatment, and has a longer holding time(white fused alumina). Thick-walled parts and large castings cannot be solidified immediately after being poured into the mold, and metallurgical reactions are still taking place in the mold(green carborundum). Therefore, it is best to add it in the ladle before pouring to ensure good deoxidation of the molten steel.

(cheap pink alumina grit manufacturers switzerland)The diffusion rate of atoms is slow, and the complex is an element that narrows the Y phase region, not austenite stabilizing element(white aluminum oxide). However, after solution treatment, most of the chromium solid dissolves into the austenite, and the diffusion rate of chromium atoms is slow. The interaction reduces the diffusion rate of carbon atoms(arc fused alumina). Whether chromium can stabilize austenite in high manganese steel remains to be further studied.

The affinity of molybdenum and carbon is better than that of manganese and chromium, which is a carbide forming element(white corundum). On the basis of determining the chemical composition of ordinary high manganese steel, adding other alloying elements can greatly improve its performance, thereby further expanding the application range of high manganese steel(silicon carbide companies). Chromium has a body-centered cubic crystal structure with an atomic radius of 1.28×10-10m.

Chromium and manganese are both weak carbide forming elements, but the affinity of chromium and carbon is better than dry manganese, which is easier to form carbides than manganese(brown fused alumina price). After chromium is dissolved in austenite, it can increase the yield strength of steel, but reduce the elongation(fused alumina). If the phosphorus content in the steel is within the normal range, increasing the aluminum content will reduce the impact toughness.(cheap pink alumina grit manufacturers switzerland)

Both chromium and manganese are network carbide forming elements(white aluminium oxide). The low-phosphorus ferromanganese w(P) produced in my country is between 0.15% and 0.2%, and it is necessary to add aluminum to perform final deoxidation again depending on the situation. Molybdenum delays the isothermal decomposition of austenite, shifts the C curve to the right(black oxide aluminum), and the inflection point of the C curve also tends to move in the direction of higher temperature.

(cheap pink alumina grit manufacturers switzerland)Molybdenum can improve the tendency of austenite to develop along the dendrites, and can improve the stability of austenite(black aluminum oxide), and can also inhibit the precipitation of carbides and the formation of pearlite. Therefore, copper can significantly increase the yield strength of steel without reducing toughness(glass beads supplier). Since the atomic radius of iron (1.27×10-10m) is very close to that of chromium, chromium and iron can form a continuous solid solution.

The curve of carbide precipitation on the grain boundary of chromium-containing high manganese steel has shifted significantly to the left(aluminum oxide blast media 60 grit), indicating that chromium can accelerate the precipitation rate of carbides in the high temperature zone, so that a large amount of carbides appear during the cooling process after solidification(100 grit aluminum oxide blast media). When molybdenum is condensed in austenitic hammer steel, it is partially dissolved in austenite and partially distributed in carbides.