Manufacture fecral ocr21al4 electric resistance wire

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Product Overview

Description



Product Description






Size Range
Wire
dia 0.03-7.5mm
dia 8.0-12.0mm
Ribbon
(0.05-0.35)*(0.5-6.0)mm
Strip
 (0.50-2.5)*(5-180)mm
Rod
8-50mm


Manufacture fecral ocr21al4 electric resistance wire

   FeCrAl Electrictrical Resistance Heating alloys with high electrical resistivity, temperature coefficient of resistance is small, high operating temperature. good corrosion resistance under high temperature, and particularly suitable for use in a gas containing sulfur and sulfides, low price..



Performance\\ material
1Cr13Al4
0Cr25Al5
0Cr21Al6
0Cr23Al5
0Cr21Al4
0Cr21Al6Nb


Composition
Cr
12-15
23-26
19-22
20.5-23.5
18-21
21-23
Al
4-6
4.5-6.5
5-7
4.2-5.3
3-4.2
5-7
Fe
rest
rest
rest
rest
rest
rest
Maximum temperature℃
950
1250
1250
1250
1100
1350
Meltiing point ℃
1450
1500
1500
1500
1500
1510
Density g/cm3
7.4
7.1
7.16
7.25
7.35
7.1
Hardness(H.B.)
200-260
200-260
200-260
200-260
200-260
200-260
Tensile strength(N/mm2)
580-680
630-780
630-780
630-780
600-700
650-800
Variation of area(%)
65-75
60-75
65-75
65-75
65-75
65-75
Resistivity  at 20℃((μΩ·m)
1.25
1.42
1.42
1.35
1.23
1.45
Elongation at rupture
≥16
≥12
≥12
≥12
≥12
≥12
Coefficient of lines expansion(αx10-6℃)
15.4
16
14.7
15
13.5
16
Thermal conductivity
KJ/m.h℃
52.7
46.1
63.2
60.2
46.9
46.1
continuous servicetime(Hours/℃)
__

≥80/1300

≥80/1300

≥80/1300

≥80/1300

≥50/1300
Micrographic structure
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Ferrite
Magnetic properties
magnetic
magnetic
magnetic
magnetic
magnetic
magnetic






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Production Process




Our Service




Our Company




JiangSu DZX Alloy Co.,Ltd  was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate.Our factory is becoming a high-tech company,We are professional in researching and producing special alloy material.The production process include melting,drawing,heat treatment,finishing and testing.


 We offer super alloy,welding wire,corrosion resistance alloy,precision alloy,FeCrAl alloy,NiCr alloy,CuNi alloy,in the form of wire,strip,ribbon,bar,tube,plate and etc.
The administrative principle of our company is "intensifying inner supervision, complying with technical process and quality control, continuously adopting new technology to ensure the product quality". 









Packing




0.0048 s.