AK-ER55-1CM-MnV Gas Shielded Welding Wire for 1%Cr-0.5%Mo Heat-Resistant Steel.
A solid wire designed for welding 1%Cr-0.5%Mo pearlitic heat-resistant steel in applications up to 530℃, using CO2 or Ar+5%-20%CO2 shielding gas.
Product Overview
AK-ER55-1CM-MnV is a gas shielded welding wire for 1%Cr-0.5%Mo pearlitic heat-resistant steel. It is used with CO2 or Ar+5%-20%CO2 shielding gas and delivers good mechanical properties in the deposited metal.
The wire is intended for welding applications where the working temperature remains below 530℃. It is commonly used in conventional thermal power stations, petrochemical equipment, and other structural components requiring heat-resistant welds.
Application: It is suitable for the welding of 1%Cr-0.5%Mo heat-resistant steel with a welding wor king temperature below 530℃, and is often used in the welding of con-ventional thermal power st ations, petrochemical equipment and other structures.
Key Benefits
Suitable for 1%Cr-0.5%Mo Heat-Resistant Steel.
The chemical composition of AK-ER55-1CM-MnV is tailored to match the base metal of 1%Cr-0.5%Mo pearlitic steel, ensuring compatibility and stable weld metal properties.
Effective Shielding with CO2 or Ar+5%-20%CO2.
The wire performs reliably with CO2 or mixed shielding gases containing 5%-20% CO2, offering flexibility in gas selection based on process and equipment availability.
Weld Metal Performance at Elevated Temperatures.
The deposited metal maintains adequate mechanical properties at service temperatures below 530℃, supporting safe operation in high-temperature industrial environments.
Compliant with Multiple International Standards.
AK-ER55-1CM-MnV meets the AWS A5.18 ER80S-G and GB/T 8110 ER55-B2-MnV specifications, ensuring consistency with recognized welding wire classifications.
Where It Is Used
- Welding of 1%Cr-0.5%Mo pearlitic heat-resistant steel in conventional thermal power stations.
- Fabrication and repair of petrochemical equipment operating below 530℃.
- Structural welding in high-temperature service environments requiring stable weld metal properties.
Who It Is For
- Welding consumable distributors supplying materials for power plant and petrochemical projects.
- Fabricators and maintenance teams working with 1%Cr-0.5%Mo heat-resistant steel components.
- EPC contractors specifying welding wires for high-temperature structural applications.
Problems It Solves
- Matching filler metal chemistry to 1%Cr-0.5%Mo heat-resistant steel to ensure weld metal properties meet code requirements at elevated temperatures.
- Providing a single, certified welding wire that meets both AWS A5.18 and GB/T 8110 standards for consistent performance across projects.
- Enabling reliable welding with CO2 or Ar+5%-20%CO2 gas mixtures without compromising weld quality or mechanical properties.
Specifications
Published by the factory for AK-ER55-1CM-MnV. Values not shown are not published on the datasheet and are marked as such rather than estimated.
| Standard | Designation |
|---|---|
| Classification | AWS A5.18 ER80S-G GB/T 8110 ER55-B2-MnV |
| Element | Content |
|---|---|
| C | 0.06-0.1 |
| Mn | 1.2-1.6 |
| P | 0.030 |
| S | 0.025 |
| Si | 0.6-0.9 |
| Cr | 1.0-1.3 |
| Mo | 0.5-0.7 |
| Cu | 0.35 |
| Ni | 0.25 |
| V | 0.4 |
Mechanical property data for this grade is not published on the factory datasheet. Ask our technical team for the test record before you qualify it.
Technical Features
- Chemical composition: C 0.06-0.1%, Mn 1.2-1.6%, P 0.030%, S 0.025%, Si 0.6-0.9%, Cr 1.0-1.3%, Mo 0.5-0.7%, Cu 0.35%, Ni 0.25%, V 0.4%
- Suitable for welding with CO2 or Ar+5%-20%CO2 shielding gas.
- Designed for service temperatures below 530℃.
- Complies with AWS A5.18 ER80S-G and GB/T 8110 ER55-B2-MnV standards.
Use Guide
- Select shielding gas based on application: CO2 or Ar+5%-20%CO2, depending on required penetration and spatter control.
- Ensure base metal is clean and free of oil, rust, moisture, and scale before welding to avoid defects.
- Use recommended welding parameters to maintain consistent bead profile and avoid overheating the heat-affected zone.
- Store wire in dry conditions to prevent moisture absorption; re-bake if exposed to humid environments before use.
How It Compares
AK-ER55-1CM-MnV is designed specifically for 1%Cr-0.5%Mo pearlitic heat-resistant steel.
Related Articles
Technical background on this grade from the AKWELD knowledge centre.
Related Grades
Other welding wire in the same family.
AK-ER55-1CM-MnV Questions
What are the chemical composition limits for AK-ER55-1CM-MnV?
Which standards does this wire meet?
What shielding gases are recommended?
What is the maximum service temperature for the welded joint?
What packing is AK-ER55-1CM-MnV supplied in?
Can we test AK-ER55-1CM-MnV before placing a production order?
Request a Quotation for AK-ER55-1CM-MnV
Send the diameter, the quantity and the destination port. Our technical team replies with packing, pricing and the data you need to qualify the grade.