Engineered metals
for precision industries

Data sheet - NICLAFOR 1000

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NICLAFOR 1000
CuNi9Sn6

Cu reste Ni8.5-9.5 Sn5.5-6.5

Chemical composition

CuBAL

Ni8.5-9.5

Zn0.5 max

Pb0.02 max

Sn5.5-6.5

Fe0.5 max

Mn0.05-0.30

Mg0.15 max

OtherNb 0.1 max

Alloy name
RLSA no.	560
EN standard
DIN standard
UNS no.*	C72700

*Unified Numbering System (USA)

Characteristics and main uses

Le Niclafor 1000® est un alliages à base de Cuivre-Nickel-Étain (CuNi9Sn6). Un simple traitement thermique de revenu permet d’obtenir par durcissement, dû à la décomposition spinodale, des caractéristiques mécaniques très élevées.

Physical properties		Units
Density (20°C)	8,90	Kg/dm³
Melting point	968-1078	°C
Longitudinal elasticity modulus	120	GPa
Thermal conductivity		W/m·K
Electrical conductivity	>5.22*	m/Ω·mm²
Electrical resistivity	<0.1916*	µΩ·m
Linear expansion Coefficient	17,25	10⁻⁶·K⁻¹
IACS (International Annealed Copper Standard)	9*	%
Poisson's ratio

Capabilities
Corrosion resistance	4
Hot deformation	1
Cold deformation	4
Electrodepositing	4
Diamond cutting	4
Nitriding
Mechanical polishing	4
Welding without filler
Brazing	4

1 poor | 2 average | 3 good | 4 very good | - no info

Heat Treatment / Hardening
Annealing temperature	720-820	°C
Temperature for stress relief treatment		°C
Hardening temperature	250-350	°C
Hardening treatment time	2 - 4 h	hour(s)

Comments on heat treatments

On peut faire des TM (250-380°C / 24H) ou TS (250-380°C / 2 à 4H) qui vont auguementer la dureté jusqu'à + 150HV et la Rm (jusqu'à +500 N/mm^2)

Alloy mechanical properties

NICLAFOR 1000
Possible hardness range	90 - 360	HV
Possible Rm range	410 - 1100	MPa

Non-exhaustive list of grades

Grade	Hardness (HV: Vickers) min - max	Rm (MPa) min - max	Rp 0.2 (MPa) min - max	Elongation (%) where L0 = 100mm min - max
TB	90 - 125	420 - 500	≥ 200	≥ 30
TD1	140 - 180	460 - 560	≥ 300	≥ 15
TD2	160 - 200	540 - 640	≥ 400	≥ 10
TD3	200 - 240	620 - 720	≥ 550	≥ 3
TD4	220 - 260	700 - 820	≥ 600	~1
TDX	≤ 320	≥ 780	≥ 650	~1
TF	230 - 270	740 - 860	≥ 510	≥ 10
TH1	270 - 310	850 - 950	≥ 650	≥ 8
TH2	290 - 320	880 - 980	≥ 720	≥ 8
TH3	310 - 340	950 - 1050	≥ 800	≥ 4
TH4	320 - 360	1000 - 1100	≥ 900	~3

Do not hesitate to ask us for your specific grades and parameters. We can make productions according to your needs.

Engineered metals for precision industries