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AISI 4140
ConditionsThermal Expansion Coeff. (10-6/ºC)
T (°C)Treatment
20-100 oil hardened, tempered 600°C  12.3 
20-200 oil hardened, tempered 600°C  12.7 
20-400 oil hardened, tempered 600°C  13.7 
20-600 oil hardened, tempered 600°C  14.5 
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