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Non-Corrosion Resisting Steel 30NCD16

Technical Data Sheet

Alloy 30NCD16 is nickel-chrome-moly steel with excellent hardenability and good resistance to fatigue and repeated impact. It is used in a wide range of safety-critical parts, gears and crank shafts in both the aerospace and motorsports industries.

Chemical Composition Limits 4% Ni-Cr-Mo, Alloy Steel, Air Hardening 100 ton, Ruling Section 2.5"
Weight%	C	Si	Mn	P+S max	Cr	Mo	Ni	Others
4S28	0.38 - 0.45	0.60-0.90	0.010	1.45-1.80	0.70-0.95	1.65-2	0.30-0.50	0.05-0.10
Chemically similar British Specifications BS.970 Pt2.
Weight%	C	Si	Mn	P+S max	Cr	Mo	Ni	Others
835M30	0.26-0.34	0.10-0.35	0.45-0.75	P 0.025-0.50 S 0.025-0.040	1.10-1.40	0.20-0.35	3.90-4.30	-
EN30B	0.26-0.34	0.10-0.35	0.40-0.60	-	-	0.20-0.40	3.90-4.30	-
Other Chemically similar Specifications
Weight%	C	Si	Mn	P+S max	Cr	Mo	Ni	Others
AFNOR 30NCD16 F.D.M.A	0.25-0.35	0.10-0.40	0.20-0.55	P 0.030 S 0.025	1.20-1.50	0.40-0.60	3.70-4.30	-
AFNOR 35NCD16 819B	0.030-0.37	0.10-0.40	0.30-0.60	P 0.030 S 0.025	1.60-2.00	0.30-0.50	3.70-4.20	-
WS 1.2766 NiCrMo16	0.32-0.38	0.15-0.30	0.40-0.60	0.035 max	1.20-1.50	0.20-0.40	3.80-4.30	-

Typical Mechanical Properties

Alloy	Condition	Tensile Strength N/mm²	Yield Strength N/mm²	Elongation %	Impact Strength (KCU)	Hardness HB
Alloy 30NCD16	Annealed	-	-	-	-	235
Alloy 30NCD16	Quenched & Tempered (200°C)	1750	1250	12	70 J/cm²	-
Alloy 30NCD16	Quenched & Tempered (625°C)	1000	900	19	140 J/cm²	-

Availability
For all stock availability contact Sales.

Specifications
BS 4S28
835M30 / EN30B
WS 1.2766
AFNOR 30NCD16 (FDMA)
AFNOR 35NCD16 (819B)
NiCrMo16
AECMA FE-PL7S

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.