UNS G41450

ER4145 Drill-Tool Repair Wire

Low-alloy wire for build-up and repair of drill-tool joints and components.

Material overview

The Oil Drill Bit & Hardbanding Consumables catalog describes ER4145 Drill-Tool Repair Wire as follows: Low-alloy wire for build-up and repair of drill-tool joints and components. Reviewers should evaluate Good strength and weldability, matches 4145/4130 tool steel, and sound build-up. The grade record lists Tool-joint and drill-collar repair and drill-string component build-up among typical applications. The dataset currently includes 8 property records covering chemical composition and mechanical properties. Standards and form records reference A5.28 and Solid Wire / GTAW-GMAW Wire. Final supply conditions remain subject to specification, inspection, and export-control review.

Key characteristics

  • Good strength and weldability
  • matches 4145/4130 tool steel
  • sound build-up

Typical applications

  • Tool-joint and drill-collar repair
  • drill-string component build-up

Grade names and equivalents

4145 fillergeneric

Technical properties

Typical values are for reference only. Final chemistry, mechanical properties, heat treatment, dimensions, inspection, and documentation are confirmed against the applicable specification and MTC/COA before order acceptance.

Chemical composition

PropertyValueUnitCondition / standard
C0.35-0.5wt%Typical value
Cr0.8-1.2wt%Typical value
Mo0.15-0.3wt%Typical value
Mn0.7-1.1wt%Typical value
Si0.2-0.5wt%Typical value
Febalancewt%Typical value

Mechanical properties

PropertyValueUnitCondition / standard
Tensile strength600-800MPaAfter PWHT
Elongationmin 18%After PWHT

Standards and specifications

Specification for Low-Alloy Steel Electrodes and Rods for Gas Shielded Arc Welding

Forms, applications, and capabilities

Product forms

  • Product form

Industries

  • Industry