Influence Parameters on Nitriding Process of Ferromanganese Alloy

Table 5

Experimental and calculated nitrogen pickup (wt. percent, %) under the influence of different parameters.

Trail number	Variable	Calculated nitrogen pickup, mass content in %	Experimental nitrogen pickup, mass content in %		Residence ()		The residence variation
			1st	2nd	1st	2nd
1	()	1	1.010	0.990	0.010
2	A	2	2.020	1.980	0.020
3	B	2.2	2.222	2.178	0.022
4	Ab	3.2	3.232	3.168	0.032
5	C	1.5	1.515	1.485	0.015
6	Ac	6.6	6.666	6.534	0.066
7	Bc	2.75	2.778	2.723	0.027
8	Abc	9.5	9.595	9.405	0.095
9	D	0.29	0.293	0.287	0.003
10	Ad	0.63	0.636	0.624	0.006
11	Bd	0.41	0.414	0.406	0.004
12	Abd	0.94	0.949	0.931	0.009
13	Cd	0.45	0.455	0.446	0.005
14	Acd	0.99	1.000	0.980	0.010
15	Bcd	0.6	0.606	0.594	0.006
16	Abcd	1.3	1.313	1.287	0.013