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and plastic. Iron or steel having too much sulfur, on the other hand, becomes crumbly and brittle. This is due to the sulfur forming iron sulfide/iron mixtures in the grain boundaries of the metal which have a lower melting point than the steel.
88:(MnS). Manganese sulfide inclusions have a higher melting point and do not concentrate at the grain boundaries. Thus, when the steel is later heated up and worked, the melting at the grain boundaries does not occur.
68:) from dull red through orange and yellow to white, and can be a useful indicator of its temperature. Good quality iron or steel at and above this temperature becomes increasingly
80:(FeS) or iron/iron sulfide alloy (which has an even lower melting point) begins to melt, and the steel starts to separate at the grain boundaries. Steelmakers add
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When the steel is heated up and worked, the mechanical energy added to the workpiece increases the temperature further. The
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refers to brittleness of steels at red-hot temperatures. It is often caused by high
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Brittleness in steel at high temperature often caused by high sulfur levels
60:, when heated to above 460 °C (900 °F), glows with a red color.
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106:"Role of iron sulfide in the formation of cracks in weld joints"
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84:(Mn) to the steel when it is produced, to form
124:High-pressure geochemistry and mineral physics
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41:levels, in which case it is also known as
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157:. You can help Knowledge (XXG) by
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112:, Vol. 18, No. 3, pp. 109–112.
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104:Deev et al. (May–June 1982).
64:changes predictably (due to
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62:The color of heated iron
153:-related article is a
66:black-body radiation
43:sulfur embrittlement
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121:Sachinath Mitra.
110:Materials Science
86:manganese sulfide
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49:Description
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127:. p. 1028.
92:References
82:manganese
70:malleable
35:hot-short
31:Red-short
18:Red-short
151:industry
39:sulfur
149:This
58:steel
155:stub
54:Iron
56:or
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