CERTIFICATE OF ANALYSIS

FOR PROTOUCH WET WELDING ELECTRODES

 

SPECIFICATION:  AWS A5.1

CLASS:   E70XX 

 

TYPICAL WELD METAL PROPERTIES

 

WELD METAL CHEMISTRY (%)                                                    

 

C             0.055

Mn         0.467

Si             0.330

P             0.008

F

S              0.016

Nb          0.006

Ni            0.067

Cr            0.025

V             0.024

Cu           0.015

 

MECHANICAL PROPERTIES          

 

Ultimate Tensile Strength 75,659 psi

0.2% Offset Yield Strength 66,619 psi

Elongation in 2” 11%

Charpy impact energy: 39 ft.lbs. @ 28F

 

Radiographic inspection met and exceeded the acceptance criteria of AWS D3.6 for Class A welds and the Class 1 acceptance criteria of MIL-STD-2035 for surface welding.

 

Note:

Electrode Size 1/8” Welding

Position – Vertical Water

Depth/Type – 30’/Fresh

 

The above chemical results and mechanical properties were obtained from actual tests run by Accurate Welding Testing, reference certificate number 60704, dated 20 March 2020. Other tests and procedures may produce different results.

 

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