35NiCr6 / 1.5815 Steel

35NiCr6 / 1.5815 Steel Description

Alloy special steel 35NiCr6 grade steel belongs to alloy steels for quenching and tempering. The material no. is 1.5815.

35NiCr6 / 1.5815 Steel Application

Steel for heat improvement characterized by high strength properties, good ductility, resistance to fatigue and impact. Used for heavy-duty parts of engines, devices and machines, used in the production of crankshafts, gears, shafts, piston rods, bolts, heat-treated gears and piston rods.

• Crankshafts.
  • Shafts.
  • Various gears.
  • Fasteners etc

35NiCr6 / 1.5815 Steel All Grades Comparison

DIN	EN	ANFOR	AECMA
1.5815	35NiCr6	35NC6	FE-PL62

35NiCr6 / 1.5815 Steel Quality Standard

EN 10083 Steels for quenching and tempering. Technical delivery conditions for alloy steels
EN 10250 Open steel die forgings for general engineering purposes. Alloy special steels

35NiCr6 / 1.5815 Steel Chemical Composition per EN 10083-3

GRADE	NUMBER	C	Si	Mn	P	S	Cr	Ni
35NiCr6	1.5815	0.30-0.37	≤ 0.40	0.60-0.90	≤ 0.025	≤ 0.025	0.80-1.10	1.20-1.60

35NiCr6 / 1.5815 Steel Mechanical Properties(T=20°C if not differently stated)

Process	Diameter(mm)	Tensile Strength Rm (Mpa)	Yield Strength Rp0.2 (Mpa)	Elongation A5 (%)	Area Reduction Ratio C (%)	Impact Value Kv (J) Room Temperature	Hardness (HB)
SOFT ANNEALED	/	/	/	/	/	/	223 max
QUENCHED AND TEMPERED	16 max	880-1080	740 min	12 min	40 min	/	261-318
QUENCHED AND TEMPERED	16-40	880-1080	740 min	12 min	40 min	35 min	261-318
QUENCHED AND TEMPERED	40-100	780-980	640 min	15 min	40 min	35 min	231-289

35NiCr6 / 1.5815 Steel HEAT TREATMENT:

Process	TEMPERATURE °C	Cooling Medium
Hot plastic deformation	850-1100	/
Normalization	850-880	air
Soft annealing	640-690	air
Hardening	840-860	oil
Tempering	530-630	air

35NiCr6 / 1.5815 Steel Mill′s test certificate:

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