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Transcript of 2.2 catalogue-rail-htmlwirexx
TECHNICAL INFORMATION
Resistance Alloys (India) Ltd.
Electric Resistance Heating Alloy RAIL®- HTM Wire
RAIL®-HTM is an advanced, high purity, high temperature metallurgical product of ferritic iron-
chromium-aluminum alloy (Fe-Cr-Al alloy) with life enhancing additive Re. It can be used at
wire temperature up to 1425°C
RAIL®-HTM has several unique characteristics like higher resistivity, superior oxidation,
high temperature use, lower density, higher yield and exceptional long life.
RAIL®-HTM is specially recommended for use in powder metallurgy furnaces, diffusion
furnaces, radiant tube heating furnaces and all kinds of furnaces that are required to be
operated at high temperature in the range of 1250 °C - 1425 °C
Chemical Composition
Cr Al Si Mn C Re Fe
Nominal 23.5% 6.0% <0.4% <0.7% <0.04% Traces Bal
Min 22% 5.5%
Max 25% 6.5%
Physical, Electrical & Mechanical Properties
Density g/cm3 …
Electrical Resistivity at 20 °C mm2/m …
Elongation % …
Tensile Strength Kgs/mm2
…
Magnetic Property …
Max Continuous Operating
Temperature (in air) … 1425 °C
Melting Temperature … 1500 °C
7.10
1.45 0.03
+ 0.07
≥16
65-80
Magnetic
Table for HTM Wire
SWG
DIA.
mm
Resistance
Ω / m
Length
m/kg
Weight
g/m
Surface Area
cm2/m cm2 / Ω
8.00 0.029 2.801 357.03 251.43 8719.49 7.50 0.033 3.187 313.79 235.71 7184.64 7.00 0.038 3.658 273.35 220.00 5841.38 6.50 0.044 4.243 235.69 204.29 4676.94 6.00 0.051 4.979 200.83 188.57 3678.54 5.50 0.061 5.926 168.75 172.86 2833.41 5.00 0.074 7.170 139.46 157.14 2128.78 4.50 0.091 8.852 112.97 141.43 1551.88 4.00 0.115 11.204 89.26 125.71 1089.94 3.50 0.151 14.633 68.34 110.00 730.17 3.00 0.205 19.917 50.21 94.29 459.82
5 5.38 0.064 6.193 161.47 169.09 2651.97 6 4.88 0.077 7.527 132.85 153.37 1979.16 7 7
4.47 0.092 8.971 111.46 140.49 1521.05 8 4.06 0.112 10.875 91.95 127.60 1139.72
9 3.66 0.138 13.382 74.73 115.03 834.96 10 3.25 0.175 16.971 58.92 102.14 584.62 11 2.95 0.212 20.598 48.55 92.71 437.21 12 2.64 0.265 25.720 38.88 82.97 313.35 13 2.34 0.337 32.737 30.55 73.54 218.21 14 2.03 0.448 43.500 22.99 63.80 142.47 15 1.83 0.551 53.527 18.68 57.51 104.37 16 1.63 0.695 67.469 14.82 51.23 73.75 17 1.42 0.915 88.900 11.25 44.63 48.76 18 1.22 1.240 120.436 8.30 38.34 30.92 19 1.02 1.774 172.297 5.80 32.06 18.07
RAIL® is Regd. Trade Mark of Resistance Alloys (India) Ltd.
This information is meant for user's guidance only. It is being published to the best of our knowledge and is
subject to change as additional knowledge and experience is gained. It should not be construed as a warranty or
representation implying any legal responsibility on us.
Regd. Office & Factory:
Village Raihati
Marketing Div:
1-A Chemox House, lu Flr
Kolkata Branch:
10 B Rameshwara Apt
Delhi Branch:
Kundan Mansion, 2ndFloor
Trilochan Mahadev 7 Barrack Road 19A Sarat Bose Road 1783 Electrical Market
Tehsil : Kerakat Mumbai — 400 020 Kolkata— 700 020 Chandni Chowk
Dist : Jaunpur, U.P. Tel : 022 - 2206 7076 Delhi — 110 006
Pin : 222 102 2203 6570 Tel : 033 — 2235 9968 Tel : 011 — 2386 1070
Tel : 05450-233 333 Fax : 022 - 2208 0169 Fax : 033 — 2215 4535 Telefax : 011 — 2386 3056
E-mail : [email protected] E-mail : [email protected] E-mail : [email protected] E-mail :[email protected]
www.railind.com