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Carbon equivalent calculation formula software function introduction
The same element has different X values in different carbon equivalent calculation methods. The X values obtained by different researchers are also different.
Empirical formula for carbon equivalent of carbon steel and alloy structural steel
C equivalent = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]*100%
Where: C, Mn, Cr, Mo, V, Ni, Cu are the content of this element in the steel
The carbon equivalent Ceq (percentage) value can be calculated according to the following formula:
Ceq=C+Mn/6+(Cr+V+Mo)/5+(Cu+Ni)/15
(The allowable deviation of carbon equivalent Ceq is +0.03%) Carbon equivalent CE formula of the International Institute of Welding (IIW)
CE= [W(c) +W(Mn)/6+[W(Cr)+W(Mo)+W(V) ]/5
+[W(Ni)+W(Cu)]/15
Ce (carbon equivalent) evaluation of weldability
CE≤0.4%, good weldability;
When CE=0.4~0.6%, the weldability is slightly poor, and proper preheating is required before welding;
When CE ≥ 0.6%, the weldability is poor and it is a difficult-to-weld material, requiring a higher preheating temperature and strict process methods;
Oxygen, hydrogen, nitrogen, sulfur, and phosphorus in steel are harmful elements that also affect welding performance;
Calculation formula of carbon equivalent of cast iron
CE=[C+0.3(Si+P)+0.4S-0.03Mn]%
S in general cast iron is very low, and the influence of Mn is small, so it is often simplified as:
CE=[C+0.3(Si+P)]%
Carbon equivalent calculation formula software installation steps
1. Download the installation package of the official version of the carbon equivalent calculation formula software at Huajun Software Park
2. After downloading, unzip the compressed package into a folder named after this software
3. Open the folder and double-click the "exe" program
4. The carbon equivalent calculation formula software is green software and can be used without installation.
How to use carbon equivalent calculation formula software
1. Download and open the software and enter the known element proportions.
2. Click Calculate to calculate the carbon equivalent.
Carbon equivalent calculation formula software update log
1.Fix some bugs
2. Optimized some functions
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