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Add: 258, Hualian East Rd, Meili Town, Changshu City,
Jiangsu Province, China
Tel: +86(0)512-52660018    52669829
Fax: +86(0)512-52663085
Web: http://www.cseha.com
E-mail:master@cseha.com
master@resistance-wire.com.cn
   
 
  Position: Products  
   
 
        Code: OCr21AL6Nb、OCr27AL7Mo2
        Material: Fe-Cr-Al high-temperature wire
        Specifications: φ0.07mm~φ9.0mm
        features: Fe-Cr-Al high-temperature heat-resistant wire with chromium and aluminum content increased to improve, with excellent oxidation resistance, anti-and anti-carburizing of sulfur, and has a light weight, surface loading, long service life Low price a series of advantages, especially 0Cr27Al7Mo2 alloy, high temperature in the atmosphere, the relatively long life. Is widely used in industrial furnace, household appliances, industry furnace, metallurgy, machinery, aircraft, automotive, military and other industries producing heating elements and resistance elements
   

Product specifications

Cold drawnalloy wire

Dia.

φ1.0-φ9.0mm

Bright wire

Dia.

φ0.07-φ1.0mm


Echnical parameters of Fe-Cr-Al high-temperature wire Table

Material/performance

OCr21AL6Nb

OCr27ALMo2

Main Chemical

Composition

Cr

21.0-23.0

26.5-27.8

Al

5.0-7.0

6.0-7.0

Re

opportune

opportune

Fe

Rest

Rest

 

Nb0.5

Mo1.8-2.2

Max.continuous service temp.of element
(ºC)

1350

1400

Resistivity at 20ºC  (μΩ·m)

1.45

1.53

Density(g/cm3)

7.10

7.10

Thermal conductivity (KJ/m·h·ºC)

46.1

45.2

Coefficient of lines expansion
(α×10-6/ºC)

16.0

16.0

Melting point ( ºC)

1510

1520

Tensile strength

650-800

680-830

Elongation at rupture (%)

>12

>10

Variation of area  (%)

65-75

65-75

Repeat bending Frequency (F/R)

>5

>5

Hardness(H.B.)

200-260

200-260

Micrographic structure

Ferrite

Ferrite

Magnetic properties

Magnetic

Magnetic


Technical parameters of Fe-Cr-Al high-temperature wire Table

Dia.

Cross sectional area
(mm
2)

Surface per meter
(cm
2/m)

0Cr21Al6Nb

0Cr27Al7Mo2

1.45±0.07 Resistivty μΩ• m

1.53±0.07 ResistivityμΩ• m

Resistance per meter
(Ω/m)

Length per kg.
(m/kg)

Weight per meter
(kg/m)

Resistance per meter
(Ω/m)

Length per kg. (m/kg)

Weight per meter(kg/m)

0.10

0.0078

3.14

184.6

17933

0.0000558

194.8

17933

0.0000558

0.12

0.0113

3.77

128.2

12453

0.0000803

135.3

12453

0.0000803

0.15

0.0177

4.71

82.1

7970

0.000125

80.6

7970

0.000125

0.17

0.0227

5.34

63.9

6205

0.000161

67.4

6205

0.000161

0.19

0.0284

5.97

51.1

4968

0.000201

54.0

4968

0.000201

0.21

0.0346

6.60

41.9

4066

0.000246

44.2

4066

0.000246

0.25

0.0491

7.85

29.5

2870

0.000349

31.2

2870

0.000349

0.27

0.0573

8.48

25.0

2460

0.000407

26.7

2460

0.000407

0.29

0.0661

9.11

22.0

2131

0.000469

23.2

2132

0.000469

0.31

0.0755

9.74

19.2

1866

0.000536

20.3

1866

0.000536

0.35

0.0962

11.00

15.1

1464

0.000683

15.9

1464

0.000683

0.40

0.1257

12.57

11.54

1121

0.000892

12.19

1121

0.000892

0.45

0.1590

14.14

9.12

886

0.001129

9.62

886

0.001129

0.50

0.1963

15.71

7.38

717

0.001394

7.79

717

0.001394

0.60

0.283

18.85

5.13

498

0.00201

5.41

498

0.00201

0.70

0.385

22.0

3.77

366

0.00273

3.98

366

0.00273

0.80

0.503

25.1

2.88

280

0.00357

3.04

280

0.00357

0.90

0.636

28.3

2.28

221

0.00452

2.41

221

0.00452

1.00

0.785

31.4

1.85

179.5

0.00557

1.95

179.5

0.00557

1.20

1.131

37.7

1.282

124.5

0.00803

1.35

124.5

0.00803

1.40

1.539

44.0

0.942

91.5

0.01093

0.994

91.5

0.01093

1.60

3.01

50.3

0.721

70.1

0.01427

0.761

70.1

0.01427

1.80

2.54

56.5

0.570

55.5

0.01803

0.601

55.5

0.01803

2.00

3.14

62.8

0.462

44.8

0.0229

0.487

44.8

0.0229

2.20

3.80

69.1

0.381

37.0

0.0270

0.402

37.0

0.0270

2.50

4.91

78.5

0.295

28.7

0.0349

0.312

28.7

0.0349

2.80

6.16

88.0

0.235

22.9

0.0437

0.248

22.9

0.0437

3.00

7.07

94.2

0.205

19.92

0.052

0.216

19.92

0.052

3.50

9.62

110.0

0.1510

14.64

0.0683

0.159

14.64

0.0683

4.00

12.57

125.7

0.1154

11.21

0.0892

0.1218

11.21

0.0892

4.50

15.90

141.4

0.0912

8.86

0.1129

0.0962

8.86

0.1129

5.00

19.63

157.1

0.0738

7.17

0.1394

0.0779

7.17

0.1394

5.50

23.80

172.8

0.0610

5.92

0.1690

0.0644

5.92

0.1690

6.00

28.30

188.5

0.0513

4.98

0.201

0.0541

4.98

0.201

6.50

33.20

204

0.0437

4.24

0.236

0.0461

4.24

0.236

7.00

38.50

220

0.0377

3.66

0.273

0.0398

3.66

0.273


Delivery status:
1Product packaging and wire cloth strip wrapped in packages, in rolls supply. wire and flat, around the axis of Plastic Supply.
2Export products and customers with special requirements, negotiated settlement.

 
  
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