Ni70Cr30 Nicr Alloy Chromium Wire For Resistence Heating

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Shanghai Tankii Alloy Material Co.,Ltd

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-21-56110178

Contact Person:
Mr.Martin Lee View Contact Details

Ni70Cr30 Nicr Alloy Chromium Wire For Resistence Heating

Brand Name	TANKII
Model Number	NiCr70/30
Certification	DIN, ASTM, JIS ROHS
Place of Origin	Jiangsu, China
Minimum Order Quantity	10KG
Price	30-80USD
Payment Terms	T/T, L/C, , Western Union
Supply Ability	50 tons per month
Delivery Time	5-10 work days
Packaging Details	spool ,coil, carton, wood box, or as clients' requirement
Grade	NrCr7030, Nikrothal 70, N7, HAI-NiCr70, Tophet 30, Resistohm 70, Stablohm 70.
Application	furnace heating wire/household appliances
Elongation (≥ %)	20
Resistance (μω.m)	1.18
Powder or not	Not Powder
Ultimate strength (≥ mpa)	875 N/mm²
Surface	Bright Annealed
Shape	wire
Material	Nichrome
Condition	soft annealed
Standard	ASTM B162, GB/1234 2012, GB/T 2054-2013, ASTM ASME, ASME SB162
Density	8.1
Feature	high temperature strength

Detailed Product Description

Nichrome 70 30 wire Ni70Cr30 nickel chromium wire for resistence heating

Related Grade: Ni70Cr30, Nikrothal 70, N7, HAI-NiCr 70, Chromel 70/30, Resistohm 70, Balco,Tophet 30,Cronix 70,Alloy 710,Stablohm 710)

Cr30Ni70 is a nickel-chromium alloy (NiCr alloy) characterized byHigh resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1250°C.

Typical applications for Cr30Ni70 are used in electrical heating elements in industrial furnace,and well suited for reducing atmospheres.

Normal composition%

C	P	S	Mn	Si	Cr	Ni	Al	Fe	Other
Max
0.05	0.02	0.015	0.60	0.75~1.60	28.0~31.0	Bal.	Max 0.50	Max 1.0	-

Typical Mechanical properties(1.0mm)

Yield strength	Tensile Strength	Elongation
Mpa	Mpa	%
430	820	30

Typical Physical properties

Density (g/cm3)	8.1
Electrical resistivity at 20℃(Ωmm2/m)	1.18
Conductivity coefficient at 20℃ (WmK)	14

Coefficient of thermal expansion
Temperature	Coefficient of Thermal Expansion x10-6/℃
20 ℃- 1000℃	17

Specific heat capacity
Temperature	20℃
J/gK	0.46

Melting point (℃)	1380
Max continuous operating temperature in air (℃)	1250
Magnetic properties	non-magnetic

Temperature Factors Of Electrical Resistivity

20℃	100℃	200℃	300℃	400℃	500℃	600℃
1	1.007	1.016	1.028	1.038	1.044	1.036
700℃	800℃	900℃	1000℃	1100℃	1200℃	1300℃
1.03	1.028	1.029	1.033	1.037	1.043	-

Size and tolerance

Diameter(mm)	Tolerance(mm)	Diameter(mm)	Tolerance(mm)
0.03-0.05	±0.005	>0.50-1.00	±0.02
>0.05-0.10	±0.006	>1.00-3.00	±0.03
>0.10-0.20	±0.008	>3.00-6.00	±0.04
>0.20-0.30	±0.010	>6.00-8.00	±0.05
>0.30-0.50	±0.015	>8.00-12.0	±0.4

Specifiations

Alloy Type	Diameter (mm)	Resistivity (μΩm)(20°C)	Tensile Strength (N/mm²)	Elongation(%)	Bending Times	Max.Continuous Service Temperature(°C)	Working Life (hours)
Cr20Ni80	<0.50	1.09±0.05	850-950	>20	>9	1200	>20000
	0.50-3.0	1.13±0.05	850-950	>20	>9	1200	>20000
	>3.0	1.14±0.05	850-950	>20	>9	1200	>20000
Cr30Ni70	<0.50	1.18±0.05	850-950	>20	>9	1250	>20000
Cr30Ni70	≥0.50	1.20±0.05	850-950	>20	>9	1250	>20000
Cr15Ni60	<0.50	1.12±0.05	850-950	>20	>9	1125	>20000
Cr15Ni60	≥0.50	1.15±0.05	850-950	>20	>9	1125	>20000
Cr20Ni35	<0.50	1.04±0.05	850-950	>20	>9	1100	>18000
Cr20Ni35	≥0.50	1.06±0.05	850-950	>20	>9	1100	>18000
1Cr13Al4	0.03-12.0	1.25±0.08	588-735	>16	>6	950	>10000
0Cr15Al5		1.25±0.08	588-735	>16	>6	1000	>10000
0Cr25Al5		1.42±0.07	634-784	>12	>5	1300	>8000
0Cr23Al5		1.35±0.06	634-784	>12	>5	1250	>8000
0Cr21Al6		1.42±0.07	634-784	>12	>5	1300	>8000
1Cr20Al3		1.23±0.06	634-784	>12	>5	1100	>8000
0Cr21Al6Nb		1.45±0.07	634-784	>12	>5	1350	>8000
0Cr27Al7Mo2	0.03-12.0	1.53±0.07	686-784	>12	>5	1400	>8000

Product Tags: Chromium Nickel Alloy Wire Resistance Nickel Chromium Wire 70 Nichrome Alloy Wire

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