15kg 1.2mm Nippon Steel Weldream SM-80A Welding Wire

$299.00

Product Description

15kg spool of Nippon Steel Weldream SM-80A, a 1.2mm ultra premium seamless flux-cored welding wire for 780MPa high tensile strength steel. Ideal for crack-free butt welding of Bisalloy 80 and similar quenched & tempered steels, with excellent low-temperature toughness and arc stability.

Specifications

Grade E110C-K4-H4
Diameter 1.2mm
Weight 15kg spool
Application 780MPa High Tensile Steel
Origin Made in Japan
Description

15kg – 1.2mm Nippon Steel Welding Wire Weldream SM-80A: Premium Solution for High-Strength Steel Welding

Product Overview

Engineered by Nippon Steel, the Weldream SM-80A is a ultra-premium seamless flux-cored welding wire designed for critical applications requiring exceptional strength and low-temperature toughness. This 1.2mm diameter wire delivers stable arc performance, minimal spatter, and superior weld quality, making it ideal for demanding industrial projects.

Core Specifications

Grade E110C-K4-H4
Diameter 1.2mm
Weight 15kg spool
Shield Gas Ar+20%CO2
Tensile Strength 780MPa High Tensile Steel
Hydrogen Content Low (equivalent to solid wires)
Bore Size Standard 52mm
Origin Made in Japan
Alloy Compatibility Bisalloy 80 and quenched/tempered steels
Spatter Level Minimal

Key Performance Advantages

  • Stable arc with excellent weldability across wide current ranges
  • Low spatter and slag for clean welds and reduced post-processing
  • Superior low-temperature toughness for offshore and cold-service applications
  • High crack resistance due to low diffusible hydrogen content
  • Beautiful bead appearance with consistent penetration

Applications

Perfect for Ar-CO2 gas shielded arc welding in:

  • Offshore structures and marine engineering
  • Low-temperature service steel fabrication
  • High-strength structural components
  • Crack-free butt welding of Bisalloy 80
  • Quenched and tempered steel applications

Quality Assurance

Manufactured by Nippon Steel, a global leader in metallurgical excellence, this welding wire meets strict international standards. Each spool undergoes rigorous quality control to ensure consistent performance and reliability in critical welding operations.

Differentiation

Equivalent to CIGweld Tensi-Core Tensicor 110TXP H4 (720387/720389) but optimized in 1.2mm diameter, offering enhanced precision for fine welds while maintaining the same high tensile strength capabilities.

FAQ

Q: What shield gas is recommended?
Ar+20%CO2 mixture for optimal arc stability and weld quality.

Q: Is this wire suitable for cold climates?
Yes, it provides excellent toughness at low temperatures, ideal for cold-service applications.

Q: Can it be used with automated welding systems?
Yes, the consistent diameter and feeding properties make it suitable for robotic and automated setups.

Request a Quote

For bulk pricing, technical support, or sample requests, please contact our sales team. Experience the reliability of Nippon Steel welding technology for your critical projects.

Shipping and Delivery

Packaging & Transportation

Weldingtop Nozzles

Weldingtop nozzles are precision components requiring safe and professional handling. Each nozzle is individually vacuum‑sealed and protected with shock‑absorbing foam to avoid impact, dust and humidity. Sturdy outer cartons with clear fragile labels are used for secure shipping. We work with trusted logistics providers and offer full tracking, ensuring your order arrives complete and in perfect condition.