Exaton 25.22.2.LMnB

Exaton

Exaton 25.22.2.LMnB

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Exaton 25.22.2.LMnB is a chromium-nickel-molybdenum covered electrode with basic coating for welding of austenitic stainless steels for example, Sandvik 2RE69 and Sandvik 3R60 U.G used in the production of ammonium carbamate, nitric acid and inorganic acids. It is also used for surfacing on low alloyed steels.

The electrode combines good welding properties such as arc stability, low spatter and self peeling slag with very low impurity levels. The fully austenitic weld metal (maximum 0.6% ferrite) is very resistant to hot cracking.

Exaton 25.22.2.LMn is used for welding of Sandvik 2RE69 and Sandvik 3R60 U.G. urea grade materials. But it can also be used for the following types: ISO 1.4466, 1.4335, 1.4435, 1.4436, 1.4477, 1.4578 and 1.4585; UNS S31050, S31002, S31603 and S31600.


Propiedades de Ensayo de impacto Charpy

As Welded
Valor de impacto 52 ft-lb
Valor de impacto 70 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
30 %As WeldedISO420 MPa (61 ksi)600 MPa (87 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
60-80 A 0.0 kg/h (0,0 lb/h) 2.5 x 300.0 mm (0.098 x 11,8 in.)
80-110 A 55 sec 1.7 kg/h (3,7 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 64 % 31
110-140 A 75 sec 2.3 kg/h (5,1 lb/h) 4.0 x 350.0 mm (5/32 x 13,8 in.) 53 % 15

Clasificaciones

Clasificaciones SFA/AWS A5.4 : (E310Mo-15)
EN ISO 3581-A : E 25 22 2 N L B 12

Características de los consumibles

Tipo de aleación 25Cr 22Ni 2Mo N
Tipo de recubrimiento Basic
Contenido de ferrita FN 0
Corriente de soldadura DC+

Análisis del Metal de Soldadura

à% Análisis metal depositado (valores típicos)
C Cr Cu FN WRC-92 Mn Mo N Ni P S Si
<=0.04 % 25 % 0.05 % 0 % 4.5 % 2.1 % 0.14 % 22 % <=0.020 % <=0.020 % 0.4 %
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How to purchase Exaton 25.22.2.LMnB

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