China Copper Nickel Alloy Wire manufacturer
Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co.,Ltd First Quality, Sincere Service
11
Home > Products > FeCrAl Alloy >

Magnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor

Browse Categories

Shanghai Tankii Alloy Material Co.,Ltd

City: shanghai

Province/State:shanghai

Country/Region:china

Tel:86-21-56110178

Contact Person:
Mr.Martin Lee
View Contact Details

Magnetic Alkrothal 720 FeCrAl Alloy For Brake Resistor

Brand Name TANKII
Model Number Alkrothal 720
Certification ISO9001
Place of Origin Shanghai
Minimum Order Quantity 30kg
Price negotiable
Payment Terms L/C, T/T, Western Union
Supply Ability 300+ton+month
Delivery Time 8-20 days
Packaging Details spool,coil, carton,wooden pallet or box
material FeCrAl
resistivity 1.25
density 7.4
elongation >16
Detailed Product Description

Alkrothal 720 No.1 JR FeCrAl Alloy for brake resistor

 

Alkrothal 720 is a ferritic iron-chromium-aluminium alloy (FeCrAl alloy) for use at temperatures up to 1000°C (1830°F).

 

Typical applications for Alkrothal 720 are in rheostats, braking resistors, etc. It is also used as electrical heating elements in industrial applications.



Nominal Analysis

CrAlFe
12.0~15.04.0~6.0Balance



Mechanical Properties

Max Continuous Service Temperature:
Resisivity 20ºC:
Density:
Thermal Conductivity:
Coefficient of Thermal Expansion:
Melting Point:
Elongation:
Micrographic Structure:
Magnetic Property:
950ºC
1.25ohm mm2/m
7.40g/cm3
52.7 KJ/m·h·ºC
15.4×10-6/ºC (20ºC~1000ºC)
1450ºC
Min 16%
Ferrite
magnetic


Size: Thickness 0.01-7mm, width 0.5-1000mm

Surface: BA, 2B

Hardness: Soft, Half hard, hard

Has been used extensively as big power brake resisor and furnace heating elements.

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

Shanghai TANKII ALLOY MATERIAL Co., Ltd.

FECRAL AND ALCHROME ALLOY PRODUCER IN China, MOST PROFESSIONAL IN THE WORLD

We also produce below grades:

0Cr15Al5 and 0Cr19Al3, etc.


Chemical Composition and Main Property of Fe-Cr-Al Resistance Alloy
Properties Grade1Cr13Al40Cr25Al50Cr21Al60Cr23Al50Cr21Al40Cr21Al6Nb0Cr27Al7Mo2
Main Chemical Composition
(%)
Cr12.0-15.023.0-26.019.0-22.022.5-24.518.0-21.021.0-23.026.5-27.8
Al4.0-6.04.5-6.55.0-7.04.2-5.03.0-4.25.0-7.06.0-7.0
Reopportuneopportuneopportuneopportuneopportuneopportuneopportune
FeBal.Bal.Bal.Bal.Bal.Bal.Bal.

 

 

 

 

 

 
Nb0.5Mo1.8-2.2
Max Continuous Service Temperature(oC)950125012501250110013501400
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)7.47.17.167.257.357.17.1
Thermal Conductivity52.746.163.260.246.946.145.2
(KJ/m@h@oC)
Coefficient of Thermal Expansion(α×10-6/oC)15.41614.71513.51616
Approximate Melting Point( oC)1450150015001500150015101520
Tensile Strength(N/mm2)580-680630-780630-780630-780600-700650-800680-830
Elongation(%)>16>12>12>12>12>12>10
Section Variation65-7560-7565-7565-7565-7565-7565-75
Shrink Rate (%)
Repeatedly Bend Frequency(F/R)>5>5>5>5>5>5>5
Hardness (H.B.)200-260200-260200-260200-260200-260200-260200-260
Continuous Service Timeno≥80/1300≥80/1300≥80/1300≥80/1250≥50/1350≥50/1350
Micrographic StructureFerriteFerriteFerriteFerriteFerriteFerriteFerrite
Magnetic PropertyMagneticMagneticMagneticMagneticMagneticMagneticMagnetic

 
Product Tags: Alkrothal 720 FeCrAl Alloy   Brake Resistor FeCrAl Alloy   Magnetic FeCrAl Alloy  
Related Products
Email to this supplier
 
From:
Enter your Email please.
To: Shanghai Tankii Alloy Material Co.,Ltd
Subject:
Message:
Characters Remaining: (80/3000)