Exaton 20.25.5.LCuR

Exaton

Exaton 20.25.5.LCuR

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Exaton 20.25.5.LCuR is a covered electrode with type with rutile-basic coating and normal recovery, used for welding of high-alloy austenitic stainless of UNS N08904 type, also known as 904L (e.g. Sandvik 2RK65). Exaton 20.25.5.LCuR gives a fully austenitic chromium-nickel-molybdenum weld metal with especially low carbon content and copper addition. Spray transfer gives a bead with a finely rippled surface, little spatter and good slag removal. It is suitable for joining steels of the 20Cr/25Ni/4.5Mo/1.5Cu type such as 2RK65 and 904L used in many areas of the process industry, such as in the production of acetic acid, sulphuric acid, terephthalic or tartaric acid and vinyl chloride as well as other chloride containing media. It is also suitable for use in cooling operations involving sea water or heavily polluted river water. Exaton 20.25.5.LCuR may also be used to join 317L where improved corrosion resistance in specific media is required. These electrodes may be used to join 2RK65, 904L, and 317L to other grades of stainless steel.


Propiedades de Ensayo de impacto Charpy

As Welded
Valor de impacto 48 ft-lb
Valor de impacto 65 J
Gas de protección ISO
Temperatura de ensayo 68 °F
Temperatura de ensayo 20 °C

Propiedades tensoras típicas

AlargamientoCondiciónGas de protecciónLímite de elasticidadResistencia a la tracción
35 %As WeldedISO410 MPa (59 ksi)590 MPa (86 ksi)

Datos aportación

Amperios Fusion time per electrode at 90% I max Tasa de deposición al 90 % I máx. Diámetro Rendimiento (%) Número de electrodos/kg de metal de soldadura Voltios
60-85 A 44 sec 0.9 kg/h (2.0 lb/h) 2.5 x 300.0 mm (0.098 x 11.8 in.) 60 % 91 24 V
85-130 A 60 sec 1.5 kg/h (3.3 lb/h) 3.2 x 350.0 mm (1/8 x 13.8 in.) 58 % 41 27 V
95-180 A 64 sec 1.9 kg/h (4.2 lb/h) 4.0 x 350.0 mm (5/32 x 13.8 in.) 51 % 30 29 V

Clasificaciones

Clasificaciones EN ISO 3581-A : E 20 25 5 Cu N L R 3 2
SFA/AWS A5.4 : E385-16
Werkstoffnummer : 1.4519

Aprobaciones

Aprobaciones CE EN 13479
VdTÜV 02805
Las aprobaciones dependen de la ubicación de la fábrica. Póngase en contacto con ESAB para obtener más información.

Características de los consumibles

Tipo de aleación Austenitic CrNiMo
Tipo de recubrimiento Basic Rutile
Contenido de ferrita FN 0
Corriente de soldadura AC, DC+

Análisis del Metal de Soldadura

à% Análisis metal depositado (valores típicos)
C Cr Cu Mn Mo Ni Si
0.03 % 20 % 1.5 % 1 % 4.7 % 25 % 0.5 %
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How to purchase Exaton 20.25.5.LCuR

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To make things even easier, we've developed the online shopping list below.  As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet.  And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.


Part Numbers and Accessories

Part Numbers : Exaton 20.25.5.LCuR
68992520L0
68993230T0
68994030G0
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