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ESAB

ESAB Welding Electrode OK 48.04L, AWS7018H4 4.0 X 350 mm Packing Size : 15 Kg / Box , 5 kg / pkt (480040300), Made in Brazil

Part Number:4854403B00
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The ESAB OK 48.04L H4 is a premium low-hydrogen, iron powder-coated SMAW (Stick) welding electrode manufactured in Brazil for welding carbon steel and low-alloy steel in demanding structural and industrial applications. Classified as AWS A5.1 / ASME SFA5.1 E7018 H4, it delivers excellent arc stability, smooth weld bead appearance, low spatter, and outstanding mechanical properties. The H4 low diffusible hydrogen classification helps minimize the risk of hydrogen-induced cracking, making it suitable for critical fabrication, pressure vessels, bridges, shipbuilding, and heavy engineering.

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ESAB Welding Electrode OK 48.04L, AWS7018H4 4.0 X 350 mm Packing Size : 15 Kg / Box , 5 kg / pkt (480040300), Made in Brazil

Specification

  • Part Number: 4854403B00
  • Replaces Part Number: 480040300
  • Product Type: Low Hydrogen SMAW (Stick) Welding Electrode
  • Series: OK 48.04L
  • Classification: AWS A5.1 / ASME SFA5.1 E7018 H4
  • Diameter: 4.0 mm
  • Length: 350 mm
  • Coating Type: Low Hydrogen Iron Powder
  • Current Type: AC / DCEP (DC+)
  • Packet Weight: 5 kg
  • Box Weight: 15 kg
  • Country of Origin: Brazil

Features

  • Premium low-hydrogen H4 electrode
  • Manufactured in Brazil under ESAB quality standards
  • Smooth and stable welding arc
  • Easy arc striking and re-striking
  • Low spatter with excellent slag detachability
  • High deposition efficiency
  • Excellent weld bead appearance
  • Superior mechanical properties and impact toughness
  • Low diffusible hydrogen to reduce the risk of weld cracking
  • Suitable for all-position welding (except vertical down)

Applications

  • Structural steel fabrication
  • Building and bridge construction
  • Pressure vessels and boilers
  • Shipbuilding and offshore fabrication
  • Oil & gas facilities
  • Heavy equipment manufacturing
  • Power generation projects
  • Industrial maintenance and repair

Advantages

  • Produces high-strength, high-quality welds
  • Excellent resistance to hydrogen-induced cracking
  • Smooth weld finish with minimal post-weld cleaning
  • Reliable performance with AC and DC (DCEP) welding power sources
  • High productivity through efficient metal deposition
  • Ideal for critical structural and industrial welding applications

Technical Highlights

  • Part Number: 4854403B00
  • Replaces: 480040300
  • Classification: AWS A5.1 / ASME SFA5.1 E7018 H4
  • Diameter: 4.0 mm
  • Length: 350 mm
  • Packaging: 5 kg Packet, 15 kg Box
  • Current: AC / DCEP (DC+)
  • Country of Origin: Brazil

Brand: ESAB
Part Number: 4854403B00
Replaces: 480040300
Product: OK 48.04L H4 Low Hydrogen Welding Electrode
Classification: AWS A5.1 / ASME SFA5.1 E7018 H4
Size: Ø4.0 × 350 mm
Packaging: 5 kg Packet, 15 kg Box
Country of Origin: Brazil

Key Benefit: The ESAB OK 48.04L H4 (Ø4.0 mm) provides premium low-hydrogen welding performance with excellent arc stability, superior mechanical properties, and reduced risk of hydrogen-induced cracking, making it an ideal choice for structural steel fabrication, pressure vessels, shipbuilding, and other heavy-duty industrial welding applications.


Technical Specifications

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