Nickel-Chromium Alloys (NiCr) from READE

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Sunday, 30 April 2006 15:54

NiCr, nichrome, nickel-chrome, nickel-chromium alloy, chromium-nickel alloy; nickel chromium lump; nickel chromium powder; nickel chromium wire; nickel chromium, sputtering target; nickel chromium slug; nickel chromium powder; nickel chromium lump; CAS# 11106-97-1, nickel chromium pieces, 1.0mm (0.04in) dia x 3.18mm (0.125in) length; nickel chromium powder, -140+325 mesh; nickel chromium wire, 0.51mm (0.02in) dia; nickel chromium wire, 1.0mm (0.04in) dia; NICHROME(TM); NICKEL CHROMIUM; NICKEL-CHROMIUM ALLOY; -140+325mesh(metalsbasis); nickel chromium, sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick; nickel chromium, sputtering target, 76.2in (3.0in) dia x 3.18mm (0.125in) thick; Nickel Chromium wire, 0.05mm (0.002in) dia; Nickel Chromium slug, 3.175mm(0.125in) dia x 6.35mm (0.25in) length, 99.95% (metals basis); Nickel Chromium wire, 1.6mm (0.064in) dia; Nickel Chromium, sputtering target, 76.2in (3.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis); Nickel Chromium lump, 99.9% (metals basis); Nickel Chromium gauze, 40 mesh woven from 0.25mm (0.01in) dia wire,

Nickel-Chromium Alloy (NiCr) Synonyms:

NiCr, nichrome, nickel-chrome, nickel-chromium alloy, chromium-nickel alloy; nickel chromium lump; nickel chromium powder; nickel chromium wire; nickel chromium, sputtering target; nickel chromium slug; nickel chromium powder; nickel chromium lump; CAS# 11106-97-1, nickel chromium pieces, 1.0mm (0.04in) dia x 3.18mm (0.125in) length; nickel chromium powder, -140+325 mesh; nickel chromium wire, 0.51mm (0.02in) dia; nickel chromium wire, 1.0mm (0.04in) dia; NICHROME(TM); NICKEL CHROMIUM; NICKEL-CHROMIUM ALLOY; -140+325mesh(metalsbasis); nickel chromium, sputtering target, 50.8mm (2.0in) dia x 6.35mm (0.250in) thick; nickel chromium, sputtering target, 76.2in (3.0in) dia x 3.18mm (0.125in) thick; Nickel Chromium wire, 0.05mm (0.002in) dia; Nickel Chromium slug, 3.175mm(0.125in) dia x 6.35mm (0.25in) length, 99.95% (metals basis); Nickel Chromium wire, 1.6mm (0.064in) dia; Nickel Chromium, sputtering target, 76.2in (3.0in) dia x 3.18mm (0.125in) thick, 99.95% (metals basis); Nickel Chromium lump, 99.9% (metals basis); Nickel Chromium gauze, 40 mesh woven from 0.25mm (0.01in) dia wire,

Nickel-Chromium Alloy (NiCr) Description:

The nickel-chromium system shows that chromium is quite soluble in nickel. This is a maximum at 47% at the eutectic temperature and drops off to about 30% at room temperature. A range of commercial alloys is based on this solid solution. Such alloys have excellent resistance to high temperature oxidation and corrosion and good wear resistance.

Nickel-Chromium Alloy (NiCr) Chemical Properties Available:

a) Nickel-chromium steels


31xx	Ni 1.25%, Cr 0.65% or 0.80%
32xx	Ni 1.25%, Cr 1.07%
33xx	Ni 3.50%, Cr 1.50% or 1.57%
34xx	Ni 3.00%, Cr 0.77%

b) Nickel Chromium Alloys (lump, pieces, targets, powder):

(80/20, 70/30, 60/40, 50/50)

Nickel-Chromium Alloy (NiCr) Physical Properties Available:

Lump, pieces, targets, powder

Nickel-Chromium Alloy (NiCr) Properties:

Material	Nickel Chrome Alloys
Composition:	Ni/14-46Cr + some combination of Fe Mo Cu Co Si Ti W Al + others

Property

Minimum Value (S.I.)

Maximum Value (S.I.)

Units (S.I.)

Minimum Value (Imp.)

Maximum Value (Imp.)

Units (Imp.)

Atomic Volume (average)	0.0065	0.0072	m³/kmol	396.654	439.371	in³/kmol
Density	7.75	8.65	Mg/m³	483.817	540.002	lb/ft³
Energy Content	40	200	MJ/kg	4333.55	21667.7	kcal/lb
Bulk Modulus	110	205	GPa	15.9541	29.7327	10⁶ psi
Compressive Strength	170	2100	MPa	24.6564	304.579	ksi
Ductility	0.005	0.7		0.005	0.7
Elastic Limit	170	2100	MPa	24.6564	304.579	ksi
Endurance Limit	130	1150	MPa	18.8549	166.793	ksi
Fracture Toughness	65	150	MPa.m^1/2	59.153	136.507	ksi.in^1/2
Hardness	1000	6000	MPa	145.038	870.227	ksi
Loss Coefficient	9e-005	0.0013		9e-005	0.0013
Modulus of Rupture	170	2100	MPa	24.6564	304.579	ksi
Poisson's Ratio	0.26	0.325		0.26	0.325
Shear Modulus	55	100	GPa	7.97707	14.5038	10⁶ psi
Tensile Strength	330	2300	MPa	47.8625	333.587	ksi
Young's Modulus	150	245	GPa	21.7557	35.5342	10⁶ psi
Glass Temperature			K			°F
Latent Heat of Fusion	275	320	kJ/kg	118.228	137.575	BTU/lb
Maximum Service Temperature	1070	1473	K	1466.33	2191.73	°F
Melting Point	1475	1710	K	2195.33	2618.33	°F
Minimum Service Temperature	0	0	K	-459.67	-459.67	°F
Specific Heat	380	500	J/kg.K	0.294066	0.386929	BTU/lb.F
Thermal Conductivity	8	17	W/m.K	14.9763	31.8246	BTU.ft/h.ft².F
Thermal Expansion	9	16	10^-6/K	16.2	28.8	10^-6/°F
Breakdown Potential			MV/m			V/mil
Dielectric Constant
Resistivity	84	240	10^-8 ohm.m	84	240	10^-8 ohm.m Source

Nickel-Chromium Alloy (NiCr) Typical Applications:

a) Oxidation Resistance

b) Heating Elements

c) Thermocouples

d) High Temperature Corrosion Resistant Alloys

e) Wear Resistant Alloys

Nickel-Chromium Alloy (NiCr) Packaging:

Drums or boxes

Nickel-Chromium Alloy (NiCr) TSCA (SARA Title III) Status:

Listed. For further information please call the E.P.A. at +1.202-554-1404

Nickel-Chromium Alloy (NiCr) CAS Number:

CAS# 11106-97-1

The properties of Nichrome vary depending on its alloy. Figures given are representative of typical material and are accurate to expressed significant figures. Any variations are due to different percentages of nickel or chromium.

Nichrome Material property	Value	Units
Modulus of elasticity	2.2 × 10¹¹	Pa
Specific gravity	8.4	None
Density	8400	kg/m³
Melting point	1400	°C
Electrical resistivity at room temperature	1.0 × 10⁻⁶ to 1.5 × 10⁻⁶	Ωm
Specific heat	450	Jkg⁻¹°C⁻¹
Thermal conductivity	11.3	Wm⁻¹°C⁻¹
Thermal expansion	14 × 10⁻⁶	°C⁻¹
Standard ambient temperature and pressure used unless otherwise noted.