weartech-product-electrodes

WT-21 Electrode (SMAW)

Electrode • Cobalt • AWS A5.13 ECoCr-B

Key Fetures

Cobalt, high chromium, molybdenum
Excellent for corrosion resistance, galling, cavitation, and metal-to-metal wear resistance
Not recommended for severe abrasion
These key features are universal to all WT-21 product forms

Category: Electrodes

Description / Features
Additional Information

Description

Typical Applications

Steam Valves
Hot Shears
Chemical and Petrochemical Valves
Cavitation Repair
Forging Dies

Welding Positions

All

Diameters / Packaging
Diameter		10 lb (4.5 kg)
in	(mm)	Carton
3/32	(2.4)	E1210-240X350
1/8	(3.2)	E1210-320X350
5/32	(4.0)	E1210-400X350
3/16	(4.8)	E1210-480X350

Deposit Composition
	%C	%Mn	%Si	%Cr	%Ni
Requirements AWS A5.13 ECoCr-E	0.15-0.40	1.5 max	2.0 max	24-29	2.0-4.0
Typical Results	0.23	0.8	.08	27.7	2.8
	%Fe	%Mo	%W	%Co	Hardness, Rc
Requirements AWS A5.13 ECoCr-E	5.0 max	4.5-6.5	0.50 max	Balance	Not Required
Typical Results	2.4	5.5	0.05	59	28

Typical Operating Procedures
Polarity	1/8 in (3.2 mm)	Current (Amps) 5/32 in (4.0 mm)	3/16 in (4.8 mm)
DC+	115-135	145-165	175-195

Additional information

Important: Special Ventilation and/or Exhaust Required	Fumes from the normal use of some welding products can contain significant quantities of components – such as chromium and manganese – which can lower the 5.0 mg/m3 maximum exposure guideline for general welding fume. Before Use, Read and Understand the Safety Data Sheet (SDS) for this Product and Specific Information Printed on the Product Container.