Material 1.1274

Spring steel

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Standards

HDIN / EN	US-Standard	AFNOR	UNI	JIS	request
C100S Ck101	AISI 1095 UNS G10950		C100	SK95-CSP	request

Material Category: Spring steel

Heat Treatment

Austenitizing 790 - 820 C°, oil cooling

Chemical Composition

C %	Si %	Mn %	P %	S %	Cr %	Mo %	Ni %
0,95 - 1,05	0,15 - 0,35	0,30 - 0,60	max 0,025	max 0,025	max 0,40	max 0,10	max 0,40

Product Specifications

EN 10132-4
WL - Materials Handbook of German Aviation

Mechanical Properties

weichgeglüht	Dehngrenze (Rp0,2)	Zugfestigkeit (Rm)	Bruchdehnung (A 80 mm)	Härte (HV)	Härte (HRB)
0,3 - 3,0 mm	<= 550 N/mm²	<= 690 N/mm²	>= 13 %	< 220 HV	<= 95 HRB
gehärtet
0,3 - 3,0 mm				>720 HV	>= 61 HRC
vergütet
0,3 - 3,0 mm		1200 - 2100 N/mm²
0,3 - 0,5 mm				555 - 605 HV
0,5 - 0,75 mm				525 - 575 HV
0,75 - 1,0 mm				505 - 555 HV
1,0 -1,50 mm				485 - 535 HV
1,50 - 2,0 mm				465 - 515 HV
0,30 - 3,00 mm				370 - 630 HV
2,0 - 3,0 mm				455 - 505 HV
kaltgewalzt
0,3 - 3,0 mm			<= 1200 N/mm²	<= 325 HV

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