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4j33 Precision Alloy Steel Strip

China 4j33 Precision Alloy Steel Strip, Find details about China Soft Magnetic Alloy Strip, Iron Nickel Alloy Strip from 4j33 Precision Alloy Steel Strip

Model NO.
4J33
Resisivity
0.55
Density
8.6cm3
Curie Point
450 C
Saturation Magnetostriction Coefficient
2
Hardness
120~210 Hv
Tensile Strength
560~1030 MPa
Yield Strength
150~980 MPa
Elongation
3~50 %
Use
High Frequency Inductive Components
Trademark
HUONA
Transport Package
Wooden Case
Specification
0.7mm
Origin
Shanghai
HS Code
75062000
Model NO.
4J33
Resisivity
0.55
Density
8.6cm3
Curie Point
450 C
Saturation Magnetostriction Coefficient
2
Hardness
120~210 Hv
Tensile Strength
560~1030 MPa
Yield Strength
150~980 MPa
Elongation
3~50 %
Use
High Frequency Inductive Components
Trademark
HUONA
Transport Package
Wooden Case
Specification
0.7mm
Origin
Shanghai
HS Code
75062000

Alloy-4J33 (Expansion alloy)

(Common Name: 33НК, 4J33, KV-4, Ni33Co17)

4J33 alloy has a close Linear expansion coefficient with 95% Al2O3 ceramic in the range of -60 to 600 degrees Celsius. it is an Important sealing structural material in the electric vacuum industry; Mainly used for matching and ceramic sealing.

Normal composition%

Ni32.0~33.6FeBal.Co14.0~15.2Si≤0.3
Mo-Cu-Cr-Mn≤0.5
C≤0.05P≤0.02S≤0.02  

Typical Physical properties

Density (g/cm3)8.27
Electrical resistivity at 20ºC(OMmm2/m)0.46
Thermal conductivity, λ/ W/(m*ºC)17.6
Curie point Tc/ ºC440
Elastic Modulus, E/ Gpa139

 

The heat treatment process
Stress relief annealingHeating to 470~540ºC. Keep 1~2h, cooling in the air
AnnealingHeating to 750~ 900ºC In the medium vacuum
Holding time, h15min. ~ 1 hour
coolingIn the air

Coefficient of expansion

θ/ºCα1/10-6ºC-1θ/ºCα1/10-6ºC-1
20~3006.320~4006.1
20~5006.920~6008.3

Typical Mechanical properties

Tensile StrengthElongation
Mpa%
53932

Style of supply

Alloys NameTypeDimension 
4J33WireD= 0.1~8 mm 
4J33StripW= 5~250 mmT= 0.1 mm
4J33FoilW= 10~100 mmT= 0.01~0.1 mm
4J33BarDia= 8~100 mmL= 50~1000 mm

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
4j33 Precision Alloy Steel Strip
 

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