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16NiCr11

High-Nickel Steel for Fatigue-Loaded Parts

Steel that originated in the automobile industry, no longer present in the international standards. Thanks to its high nickel content, it is used for pieces that are particularly subject to fatigue and vibrations.

References and Comparable Standards

Standard Reference: UNI 5331-64

EUROPE		ITALY	GERMANY		FRANCE	UK	USA
EN 10084: 2008 EN 10277-4: 2008		(UNI 7846-78)	(DIN 17210-84)		(NFA35-551-86)	(BS970 pt.1--96)	ASTM A 29
Grade	N°		Werkstoff	N°
(15NiCr13)	(1.5752)	16NiCr11	-	-	14NC11	-	-

Chemical Composition (Cast Analysis) (%)

C	Si	Mn	P/max	S	Cr	Mo/max	Ni	Al
0,12÷0,18	0,15÷0,40	0,30÷0,60	0,025	0,020÷0,035	0,60÷0,90	0,10	2,50÷3,00	0,020÷0,050

Mechanical Properties - As Rolled Condition

Hardness (HB) Treated to improve sherability (+S)	Hardness (HB) Annealed to max. hardness requirements (+A)			Hardness (HB) Treated to ferrite-pearlite structure and hardness range (+FP)
≤ 280	≤ 235			≥ 150	≤ 210

Mechanical Properties – Bright Steel*

Size (mm)	+A**+ Turned (+A +SH)	+A**+ Cold drawn (+A+C)	FP***+ Turned (+FP +SH)	FP***+ Cold drawn (+FP +C)
Size (mm)	Hardness HB max	Hardness HB max	Hardness HB	Hardness HB
5≤d≤10	-	-	-	-
10<d≤16	-	255	-	150÷220
16<d≤40	235	255	150÷210	150÷220
40<d≤63	235	255	150÷210	145÷215
63<d≤100	235	255	150÷210	145÷215
For reference only. +A = Annealed to maximum hardness requirement. **+FP = Treated to ferrite-perlite structure and hardness range. Note: For size <5 mm the mechanical properties may be agreed at the time of enquiry and order.