Rapid deep nitriding process (Patent No.: 91107261.6), enhanced nitriding process (Patent No.: 91107260.8), ion nitriding precipitation strengthening process (Patent No.: 89104125.7), etc.
p>
Specialized in undertaking: plasma nitriding treatment of carbon steel, alloy steel, tool and die steel, stainless steel, high-speed steel, cast iron and powder metallurgy metal parts.
Surface hardness and deep index of commonly used materials after ion nitrocarburizing treatment
Material Preheat treatment Ion nitriding technology
Category Material grade Method Hardness Surface hardness Depth of penetration layer
Carbon steel Pure iron Annealing 300-400 0.15-0.3
10 15 20 Raw material 350-430 0.2-0.3
45 55 Normalizing or quenching and tempering HB180-200 450-550 0.2-0.5
Alloy structural steel 20Cr Quenching and tempering 500-550 0.2-0.5
20CrMnTi Normalizing or quenching and tempering HB180-200 550 -600 0.2-0.5
40Cr Quenched and tempered 550-650 0.3-0.5
42CrMo Quenched and tempered 550-700 0.3-0.5
Nitrided steel 38CrMoAi Quenched and tempered 900-1100 0.2-0.5
30CrMoAi quenched and tempered HB217-223 850-1050 0.2-0.5
30CrMnAi quenched and tempered HB223-228 750-850 0.2-0.5
Tool and die steel Cr12 quenching + tempering HRC50 900-1000 0.15-0.3
Cr12MoV quenching + tempering 950-1050 0.15-0.35
W6MO5Cr4V2 solution treatment 1200-1500 0.01- 0.25
3Cr2W8V quenched + tempered 900-1100 0.15-0.35
5CrNiMo quenched and tempered HRC45 750-900 0.3-0.5
5CrMnMo quenched and tempered 650-890 0.3 -0.5
H13 quenching + tempering 950-1200 0.15-0.3
Stainless steel 2Cr13,4Cr13 quenching + tempering 900-1000 0.1-0.2
1Cr18Ni9Ni solid Solved HV162 900-1000 0.1-0.2
Cast iron HT20-4 As cast HB203 350-550 0.1-0.3
QT600-2 Normalized 350-550 0.1-0.3