Hangzhou Ualloy Material Co.,Ltd
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Iron Chromium Aluminium Alloys

Iron Chromium Aluminium Alloys

Iron Chromium Aluminium, Nickel Chromium Alloys, CuNi Alloy manufacturer / supplier in China The material are in the form of wire and strip,More favourable price from factory,welcome your inquiry.

Basic Info.

Model NO.:CrAl 14/4Package:waterproof film, weave bag, wooden case
Specification:ASTM, JIS, GB, DINTrademark:UALLOY
Origin:ChinaSteel Grade:Cral 14/4
Certification:ISOSurface Treatment:Polished
Technique:Cold RolledApplication:Resistor
Edge:Slit edgeStock:Not Stock
HS Code:7223000000Production Capacity:300 Tons/Month

Product Description

Alchrome Alloy Strip(CrAl 14-4)/China Producer

Nominal Analysis

14.00 Cr, 4.00 Al, Bal. Fe

Max contineous working temperature: 950º C.

Melting Temperature: 1450º C

Electrical Resistivity: 1.25 ohm mm2/m

Has been used extensively as heating elements in industrial furnaces and electrical kilns.

Has less hot strength than Tophet alloys but much higher melting point.

Hangzhou Ualloy Material Co.,Ltd

ALCHROME ALLOY PRODUCER IN CHINA

Chemical Composition and Main Property of Fe-Cr-Al Resistance Alloy
 








Properties \ Grade
 
1Cr13Al4
 
0Cr25Al5
 
0Cr21Al6
 
0Cr23Al5
 
0Cr21Al4
 
0Cr21Al6Nb
 
0Cr27Al7Mo2
 

Main Chemical Composition
(%)
 
Cr
 
12.0-15.0
 
23.0-26.0
 
19.0-22.0
 
22.5-24.5
 
18.0-21.0
 
21.0-23.0
 
26.5-27.8
 
Al
 
4.0-6.0
 
4.5-6.5
 
5.0-7.0
 
4.2-5.0
 
3.0-4.2
 
5.0-7.0
 
6.0-7.0
 

Re
 
opportune
 
opportune
 
opportune
 
opportune
 
opportune
 
opportune
 
opportune
 

Fe
 
Bal.
 
Bal.
 
Bal.
 
Bal.
 
Bal.
 
Bal.
 
Bal.
 


 
 

 
 

 
 

 
 

 
 

 
 
Nb0.5
 
Mo1.8-2.2
 

Max Continuous Service Temperature(oC)
 
950
 
1250
 
1250
 
1250
 
1100
 
1350
 
1400
 

Resisivity 20oC (Ωmm2/m)
 
1.25
±0.08
 
1.42
±0.06
 
1.42
±0.07
 
1.35
±0.07
 
1.23
±0.07
 
1.45
±0.07
 
1.53
±0.07
 

Density(g/cm3)
 
7.4
 
7.1
 
7.16
 
7.25
 
7.35
 
7.1
 
7.1
 

Thermal Conductivity
 
52.7
 
46.1
 
63.2
 
60.2
 
46.9
 
46.1
 
45.2
 

(KJ/m@h@oC)
 








Coefficient of Thermal Expansion(α×10-6/oC)
 
15.4
 
16
 
14.7
 
15
 
13.5
 
16
 
16
 

Approximate Melting Point( oC)
 
1450
 
1500
 
1500
 
1500
 
1500
 
1510
 
1520
 

Tensile Strength(N/mm2)
 
580-680
 
630-780
 
630-780
 
630-780
 
600-700
 
650-800
 
680-830
 

Elongation(%)
 
>16
 
>12
 
>12
 
>12
 
>12
 
>12
 
>10
 

Section Variation
 
65-75
 
60-75
 
65-75
 
65-75
 
65-75
 
65-75
 
65-75
 

Shrink Rate (%)
 








Repeatedly Bend Frequency(F/R)
 
>5
 
>5
 
>5
 
>5
 
>5
 
>5
 
>5
 

Hardness (H.B.)
 
200-260
 
200-260
 
200-260
 
200-260
 
200-260
 
200-260
 
200-260
 

Continuous Service Time
 
no
 
≥80/1300
 
≥80/1300
 
≥80/1300
 
≥80/1250
 
≥50/1350
 
≥50/1350
 

Micrographic Structure
 
Ferrite
 
Ferrite
 
Ferrite
 
Ferrite
 
Ferrite
 
Ferrite
 
Ferrite
 

Magnetic Property
 
Magnetic
 
Magnetic
 
Magnetic
 
Magnetic
 
Magnetic
 
Magnetic
 
Magnetic
 

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