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Electrode Booklet 35

TOPSTAR 140 is a high-efficiency stick welding electrode for mild steel structural fabrication, classified as AWS A/SFA 5.1 E 7024. It features outstanding deposition rates and is suitable for heavy steel structures, pressure vessels, and pipelines, with specific chemical and mechanical properties outlined. The electrode can be used in various welding positions and requires redrying at 150°C for 1 hour.

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Amit Chapagain
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36 views1 page

Electrode Booklet 35

TOPSTAR 140 is a high-efficiency stick welding electrode for mild steel structural fabrication, classified as AWS A/SFA 5.1 E 7024. It features outstanding deposition rates and is suitable for heavy steel structures, pressure vessels, and pipelines, with specific chemical and mechanical properties outlined. The electrode can be used in various welding positions and requires redrying at 150°C for 1 hour.

Uploaded by

Amit Chapagain
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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TOPSTAR 140

C-Mn STEEL (High Efficiency)

Stick Welding Electrode for Mild Steel Structural Fabrication


CLASSIFICATION : AWS A/SFA 5.1 IS 814

E 7024 E RR 5242 KX

KEY FEATURES :
• Iron powder type • Radiographic quality weld
• Outstanding deposition rates

WELDING POSITION : AC/DCEN

TYPICAL APPLICATIONS :
• Heavy steel structures, Storage tanks • Joining ASTM SA 283 Gr.A/B/C/D,
• Pressure vessels, Ships SA 414/414M Gr.C/D/E steels
• Pipelines, Bridges

REDRYING CONDITION : 150°C for 1 hr.

CHEMICAL COMPOSITION OF UNDILUTED WELD METAL, Wt % :


C Mn Si S P
Typical 0.07 0.6 0.2 0.02 0.02
Specification 0.06-0.10 0.40-0.75 0.14-0.35 0.03 max. 0.03 max.

MECHANICAL PROPERTIES OF ALL WELD METAL :


YS at 0.2% CVN Impact
Condition UTS, MPa EL%
offset, MPa at 0°C, J
Typical 550 460 27 65
As Welded
Specification 500-600 420-500 24-28 50-100

PARAMETERS - PACKING DATA :


Approx. Approx. wt. of
Ø x L, mm Amperage, A Carton/Box
Pcs/Carton 1000 pcs, Kg.
2.5 x 350 80-120 192 4 26
3.15 x 450 150-170 86 4 58
4.0 x 450 200-240 56 4 89
5.0 x 450 250-290 31 4 161

PASSION FOR WELDING SINCE 1951 www.adorwelding.com

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