DI Hardenability Calculator for iOS DI Hardenability Calculator AppThe method of Jominy hardenability calculation from the chemical IdealDiameter* (DI) of a steel. DI Calculator...
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DI Hardenability Calculator for iOS Description

DI Hardenability Calculator AppThe method of Jominy hardenability calculation from the chemical IdealDiameter* (DI) of a steel. DI Calculator includes carbon multiplying factors and improved the correlation of the boron factor with both carbon and alloy content to provide increased accuracy of both the calculated DI and Jominy hardenability curves. Composition ranges shown below:ELEMENTRANGE (wt. %)--------------------CARBON0.10 - 0.70MANGANESE0.50 - 1.65 SILICON0.15 - 0.60CHROMIUM1.35 MAXNICKEL1.50 MAXMOLYBDENUM0.55 MAX COPPER 0.35 MAXVANADIUM0.2 MAX ZIRCONIUM0.0 *DI represents the diameter of a round steel bar that will harden at the center to 50% martensite when subjected to an ideal quench.Multiplying factors are based on an average grain size of 7.For design purposes, the calculated DI and Jominy hardenability curves are valid only within the DI, alloy factor, and and chemical composition ranges stated above. However, to facilitate melting process, control for higher alloy steels, Hardenability Multiplying Factors have been included for calculating the DI within the following chemical composition ranges:ELEMENTRANGE (wt. %)--------------------CARBON0.00 - 0.90MANGANESE0.00 - 1.95 SILICON0.00 - 2.00CHROMIUM0.00 - 2.5NICKEL0.00 - 3.50MOLYBDENUM0.00 - 0.55Copper0.00 - 0.55---------------------------------------------------------------COMPOSITION INPUT 1. Touch on each compositions text box and enter percents. 2. Touch Yes or No for boron to calculate a boron steel or non-boron steel. 3. Touching the Calculate button calculates the multiplying factors,the DI, the alloy factor, the boron factor, the carbon equivalent,and the Jominy Hardenability curve. 4. The graph button displays the graph of the hardenability curve.5. The print button prints the calculated values. 6. The email button will email the calculated values.---------------------------------------------------------------DATA DISPLAY The data display screen contains the following information:Alloy % entered Multiplying factors used to generate DI and alloy Factor Calculated DI Alloy Factor Boron Factor - for boron steels only Carbon equivalent of the composition using: %Mn (%Cr + %Mo + %Va) (%Ni + %Cu) CE = %C + --- + ----------------- + ----------- 6 5 15 Calculated hardness for each J-position listed at the bottom of the screen.All results are rounded to 2 decimal places (3rd decimal => 5 rounds up)This app developed by ITAMCO is in conformance with SAE J406 MAR2009, for more information please visit http://www.itamco.comFuture Updates:Metric Values

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