The Best Supplier Ohmalloy Nicr Micro-Wire Ni30cr20 for Resistor Elements

• Product Type: Wire
• Material: Ni Cr Alloy
• Carbon Content: 0.05
• PCD: No
• ET: No
• Hole: No
• Model NO.: OhmAlloy104B
• Application: Heating System
• Certificate: SGS, ISO, RoHS
• Sample: Free Sample
• Resistivity(μΩ.M): 1.04
• Working Temperature: 1100
• Density, g/cm3: 7.9
• Surface Treatment: Bright or Oxidation
• Transport Package: Coil+ Wooden Case
• Specification: 0.025~10mm
• Trademark: Ohmalloy
• Origin: Shanghai, China
• HS Code: 7505220000
• Production Capacity: 15000 Kgs Per Month

Product Description

 
OHMALLOY
OhmAlloy104B
(Common Name:Ni30Cr20,Nikrothal 30, N3, HAI-NiCr 30, Resistohm 30,30-20 Ni-Cr,Nikrothal 3.) 
OhmAlloy104B is a nickel-chromium alloy (NiCr alloy) characterized by High resistivity, good oxidation resistance,very good form stability,good ductility and excellent weldability. It is suitable for use at temperatures up to 1100°C.
Typical applications for OhmAlloy104B are used in olid hot plates,open coil heaters in HVAC systems,night-storage heaters,convection heaters,heavy duty rheostats and fan heaters. And also used for heating cables and rope heaters in defrosting and de-icing elements,electric blankets and pads, car seats,baseboard heaters,floor heaters and resistors.
 
Normal composition%

C	P	S	Mn	Si	Cr	Ni	Al	Fe	Other
Max
0.08	0.02	0.015	1.00	1.0~2.0	18.0~21.0	30.0~34.0	-	Bal.	-

 
 
Typical Mechanical properties(1.0mm)

Yield strength	Tensile Strength	Elongation
Mpa	Mpa	%
340	675	35

 
Typical Physical properties

Density (g/cm3)	7.9
Electrical resistivity at 20ºC(Om*mm2/m)	1.04
Conductivity coefficient at 20ºC (WmK)	13

 

Coefficient of thermal expansion
Temperature	Coefficient of Thermal Expansion x10-6/ºC
20 ºC- 1000ºC	19

 
 

Specific heat capacity
Temperature	20ºC
J/gK	0.50

 

Melting point (ºC)	1390
Max continuous operating temperature in air (ºC)	1100
Magnetic properties	non-magnetic

 
Temperature Factors Of Electrical Resistivity

20ºC	100ºC	200ºC	300ºC	400ºC	500ºC	600ºC
1	1.023	1.052	1.079	1.103	1.125	1.141
700ºC	800ºC	900ºC	1000ºC	1100ºC	1200ºC	1300ºC
1.158	1.173	1.187	1.201	1.214	1.226	-

 
Style of supply

Alloys Name	Type	Dimension
OhmAlloy104BW	Wire	D=0.03mm~8mm
OhmAlloy104BR	Ribbon	W=0.4~40mm	T=0.03~2.9mm
OhmAlloy104BS	Strip	W=8~250mm	T=0.1~3.0mm
OhmAlloy104BF	Foil	W=6~120mm	T=0.003~0.1mm
OhmAlloy104BB	Bar	Dia=8~100mm	L=50~1000mm

 

FAQ

1. What's the minimum quantity customer can order?
If we have your size in stock, we can provide any quantity you want.
If we do not have, for spool wire, we can produce 1 spool, about 2-3kg. For coil wire, 25kg.
2. How can you pay for small sample amount?
We have Western union account, wire transfer for sample amount also ok.

3. Customer do not have express account. How will us arrange the delivery for sample order?
Just need to provide your address information, we will check the express cost, you can arrange the express cost together with sample value.

4. What's our payment terms?
We can accept LC T/T payment terms, it also depending on delivery and total amount. Let's talk more in details after getting your detailed requirements.

5. Do you provide free samples?
If you want several meters and we have stock of your size, we can provide, customer need to bear the International express cost.

6. What's our working time?
We will give you reply through email/phone Online contact tool within 24 hours. No matter working day or holidays.