30NiCrMo16-6 / 1.6747 Steel

30NiCrMo16-6 Steel for Quenching and Tempering 1.6747 35NCD16

30NiCrMo16-6 / 1.6747 Steel Application

30NiCrMo16-6 / 1.6747 Steel exhibit very good hardenability, impact resistance, load, deformation, wear and tensions resistances.

Used for heavy-duty parts of engines, devices and machines,  aviation and aerospace industries, used in the production of crankshafts, gears, shafts, bolts, heat-treated gears and piston rods, etc.

30NiCrMo16-6 / 1.6747 Steel Quality Standard

-DIN EN 10083-3 Steel for quenching and tempering alloy steels.

30NiCrMo16-6 / 1.6747 Steel Chemical Composition per EN 10083-3

GRADE	NUMBER	C	Si	Mn	P	S	Cr	Mo	Ni
30NiCrMo16-6	1.6747	0.26-0.33	≤ 0.40	0.50-0.80	≤ 0.025	≤ 0.025	1.20-1.50	0.30-0.60	3.30-4.30

 

30NiCrMo16-6 / 1.6747 Steel Mechanical Properties

Heat treatment	Diameter (mm)	Tensile Strength Rm (Mpa)	Yield Strength Rp0.2 (Mpa)	Elongation % in 2″ (%)	Reduction Of Area (%)	Impact Test (J)
Q+T	16 max	1080-1230	880 min	10 min	45 min	/
Q+T	16-40	1080-1230	880 min	10 min	45 min	35 min
Q+T	40-100	1080-1230	880 min	10 min	45 min	35 min
Q+T	100-160	900-1050	790 min	11 min	50 min	35 min
Q+T	160-250	900-1050	880 min	11 min	50 min	35 min

30NiCrMo16-6 / 1.6747 Steel Heat treatment

Process	Temperature
Normalizing annealing	850 – 880℃
Softening annealing	650 – 700℃
Hardening	865 – 885℃
Tempering	550 – 650℃
Hardness in softened state	269 HB max

30NiCrMo16-6 / 1.6747 Steel Test

Chemical analysis, Mechnical analysis, Ultrasonic testing, Metallographic, Surface quality and dimension report.

30NiCrMo16-6 / 1.6747 Steel Mill’s Test Certificate

EN 10204/3.1 with all relevant data reg. chem. composition, mech. properties and results of testing.