Materials for high strength/ wear resistant parts, including Cr type, Ni type, and other composition systems. Fully alloyed steel powder is used with the Cr type and other composition systems; partially alloyed steel powder is used with the Ni type.

Ni-Free alloyed steel powder

■ Characteristic of JIP FM600 (1) This shows mechanical properties equivalent to 4%Ni alloyed steel powder when sintered with conventional mesh belt sintering furnaces. (2) It shows a tool chip wear rate only 1/5 times that of 4%Ni alloyed steel powder. Test sample FM600 : 4MOA（0.45Mo）-2%Cu-0.8%Gr+0.5%Lub(HDX) 4%Ni : SIGMALOY415S-0.6%Gr+0.8%Lub(ZnSt) Compacting : 490、588、686MPa Sintering : Mesh belt furnace (1130℃×10min, Endothermic gas) Turning test condition Turning tool chip : Cermet Feed : 0.1mm/rev without coolant Turning speed : 200m/min Depth of cut : 0.5mm ■ Compressibility ■ Tensile strength ■ Hardness ■ Tool chip wear

■Characteristic of JIP FM1000 (1) This shows mechanical properties equivalent to 4%Ni alloyed steel powder when sintered with conventional mesh belt sintering furnace then heat-treated. (2) It shows a tool chip wear rate only 1/5 times that of 4%Ni alloyed steel powder. Test sample FM1000 : 4MOA（0.45Mo）-1%Cu-0.5%Gr+0.5%Lub(HDX) 4%Ni : SIGMALOY415S-0.3%Gr+0.8%Lub(ZnSt) Compacting : 490、588、686MPa Sintering : mesh belt furnace (1130℃×10min, Endothermic gas) Heat treatment : Carburizing 900℃×60min C.P. 0.8% Quenching into 60℃ oil Tempering 180℃×60min ■ Tensile strength ■ Hardness ■ FM1000 shows homogeneous tempered martensite structure

■Characteristic of FM1000S (1) Tensile strength and fatigue strengths: superior to there of the conventional 4%Ni alloyed steel powder(4%Ni) when sintered with conventional mesh belt furnace. (2) Toughness: equivalent to that of 4%Ni. (3) Pore structure in sintered components: much finer than that of 4%Ni, leading to the excellent mechanical properties. Test sample FM1000S : SIGMALOY4MO(0.4%Mo) - 2%Cu - 0.3%Gr. + 0.5%Lub(HDX) 4%Ni : SIGMALOY415S – 0.3%Gr. + 0.8%Lub(ZnSt) Compacting : 490、588、686MPa (5、 6、 7 t/cm2) Sintering : (1130℃、 10min, Endothermic gas) Heat treatment : carburizing　900℃×60min　CP0.8% Quenching into 60℃ oil Tempering 180℃×60min ■ Tensile strength ■ Rotating bending fatigue strength ■ Toughness ■ Pore structure of sintered components

■ Characteristic of JIP FM1300 （1） This shows mechanical properties equivalent to 4%Ni alloyed steel powder when sintered with high temperature then heat-treated. （2） The base steel powder is Mo-hybrid alloyed steel powder “AH4515” (0.45% prealloy+0.15% diffusion bonded) that shows excellent sintering performance. （3） It shows higher rolling contact fatigue strength and excellent wear resistance compared with 4%Ni alloyed steel powder. Test sample FM1300 : AH4515(0.6%Mo)-0.5%Gr+0.5%Lub(HDX) 4%Ni : SIGMALOY415S-0.3%Gr+0.6%Lub(EBS) Green density : 6.8, 7.0, 7.2Mg/m3 Sintering : 1250℃×60min N2-10%H2 gas Heat treatment : Carburizing 900℃×60min, C.P. 0.8% Quenching into 60℃, Oil tempering 180℃×60min Wear test (Ogoshi-method) Breaking load : 12.6kgf Friction velocity : 4.21m/sec Dropping oil : DEXRON Ⅲ　1 drop/sec ■Tensile strength ■ Hardness ■ Rolling contact fatigue strength ■ Wear resistance