Material 1.8159

Spring steel

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Standards

HDIN / EN	US-Standard	AFNOR	UNI	JIS	request
51CrV4 50CrV4	AISI 6145 AISI 6150 AISI 6150H UNS G61500 UNS H61500		50CrV4	SUP10 SUP10-CSP SUP10M	request

Material Category: Spring steel

Heat Treatment

EN 10083-3
Hardening 820 - 870 C°, cooling oil, duration >= 0.5 hours
Tempering 540 - 680 C°, duration >= 1 hour
Forehead quenching test 845 - 855 C°

Chemical Composition

C %	Si %	Mn %	P %	S %	Cr %	V %
0,47 - 0,55	max 0,40	0,70 - 1,10	max 0,025	max 0,025	0,90 - 1,20	0,10 - 0,25

Product Specifications

DIN EN 10083-3
DIN EN 10089
DIN EN 10132-4
DIN EN 10250-3
DIN EN 10277
DIN EN 10343
DIN EN ISO 683-2

Mechanical Properties

DIN EN 10083-3	Streckgrenze (Re)	Zugfestigkeit (Rm)	Bruchdehnung (A5,65)	Einschnürung (Z)	Kerbschlagarbeit (ISO-V/Charpy-V)
vergütet / Rund
<= 16 mm	>= 900 N/mm²	1100 - 1300 N/mm²	>=9 %	>= 40 %
16 - 40 mm	>= 800 N/mm²	1000 - 1200 N/mm²	>=10 %	>= 45 %	>= 30 Joule
40 - 100 mm	>= 700 N/mm²	900 - 1100 N/mm²	>=12 %	>= 50 %	>= 30 Joule
100 - 160 mm	>= 650 N/mm²	850 - 1000 N/mm²	>=13 %	>= 50 %	>= 30 Joule
160 - 250 mm	>= 600 N/mm²	800 - 950 N/mm²	> =13 %	>= 50 %	> = 30 Joule

Flacherzeugnisse vergütet	Streckgrenze (Re)	Zugfestigkeit (Rm)	Bruchdehnung (A5,65)	Einschnürung (Z)	Kerbschlagarbeit (ISO-V/Charpy-V)
<= 8 mm	>= 900 N/mm²	1100 - 1300 N/mm²	>= 9 %	>= 40 %
8 - 20 mm	>= 800 N/mm²	1000 - 1200 N/mm²	>= 10 %	>= 45 %	>= 30 Joule
20 - 60 mm	>= 700 N/mm²	900 - 1100 N/mm²	>= 12 %	>= 50 %	>= 30 Joule
60 - 100 mm	>= 650 N/mm²	850 - 1100 N/mm²	>= 13 %	>= 50 %	>= 30 Joule
100 - 160 mm	>= 600 N/mm²	800 - 950 N/mm²	>= 13 %	>= 50 %	>= 30 Joule

DIN EN 10083-3 weichgeglüht	<= 248 HBW
DIN EN 10089 weichgeglüht	<=248 HBW

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