Material 1.5919

Case hardening steel

The material 1.5919 is a chrome-nickel case-hardened steel. 1.5919 has a high strength and toughness. 1.5919 is therefore used for highly stressed parts.

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Standards

HDIN / EN	US-Standard	AFNOR	UNI	JIS	request
15CrNi6(1.5918)	SAE 3115/AISI3115 AISI SAE3115/3115				request

Material Category: Case hardening steel

Applications

Gears, sprockets, shafts and other heavy-duty transmission parts of medium dimensions for mechanical and automotive engineering

Chemical Composition

C %	Si %	Mn %	P %	S %	Al %	Cr %	Cu %	N %	Ni %
0,12 - 0,18	max 0,25	0,40 - 0,70	max 0,020	max 0,015	0,0250 - 0,0500	1,35 - 1,65	max 0,20	max 0,012	1,35 - 1,65

Product Specifications

DIN 17115

Mechanical Properties

DIN 17115 weichgeglüht
Zugfestigkeit Rm	<= 701 N/mm²
Härte HBW	<= 210 HBW
Härte HV 10	<= 221 HV

vergütet	Streckgrenze Re	Zugfestigkeit RM	Bruchdehnung A5 %	Einschnürung (Z)	Kerbschlagarbeit (ISO-V / Charpy-V)
<10 mm	>=1035 N/mm²	>=1150 N/mm²	>= 12 %	>= 50 %	>= 60 JOULE
10 - 20 mm	>=990 N/mm²	>=1100 N/mm²	>= 10 %	>= 50 %	>= 60 JOULE
20 - 40 mm	>=945 N/mm²	>=1050 N/mm²	>= 10 %	>= 50 %	>= 60 JOULE

geglüht zur Erzielung kugeliger Carbide + kaltgezogen
Zugfestigkeit Rm	<=740 N/mm²
Härte HBW	<= 220 HBW
Härte HV 10	<=233 HV

weichgeglüht + kaltgezogen
Zugfestigkeit (Rm)	<= 860 N/mm²
Härte HBW	<= 255 HBW
Härte HV 10	<= 268 HV 10

behandelt auf Scherbarkeit
Zugfestigkeit Rm	<= 860 N/mm²
Härte HBW	<= 255 HBW
Härte HV 10	<= 268 HV 10

geglüht zur Erzielung kugeliger Carbide
Zugfestigkeit Rm	<= 610 N/mm²
Härte HBW	<=180 HBW
Härte HV 10	<= 189 HV10

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