Welding Electrode
A407 E310-15 Stainless Steel Welding Electrode
A407 E310-15 is a Cr26Ni21 austenitic stainless steel welding electrode with a basic coating. It is classified under GB/T 983 E310-15 and AWS A5.4 E310-15. A407 is designed for heat-resistant stainless steel, stainless steel linings, clad steel, and selected dissimilar steel welding applications. It produces high-chromium, high-nickel austenitic weld metal for elevated-temperature service.
Product Specifications
Item | Specification |
|---|---|
Product Grade | A407 |
Classification | E310-15 |
GB/T | GB/T 983 |
AWS | AWS A5.4 E310-15 |
ISO | ISO 3581-A E 25 20 B 4 2 |
Product Type | Stainless Steel Welding Electrode |
Weld Metal | Cr26Ni21 Austenitic Stainless Steel |
Coating | Basic |
Polarity | DC+ / DCEP |
Typical Diameters | 2.5, 3.2, 4.0, 5.0 mm |
Base Materials
A407 E310-15 is commonly used for:
- Heat-resistant austenitic stainless steel
- Cr-Ni stainless steel
- Stainless steel linings
- Clad steel
- Selected carbon and low-alloy steel joints
- Selected dissimilar steel combinations
Final electrode selection should follow the base material specification and approved welding procedure.
Typical Applications
A407 E310-15 welding electrode is suitable for selected:
- Heat-resistant stainless steel welding
- Stainless steel lining and clad steel welding
- Dissimilar steel welding
- High-temperature industrial equipment
- Petrochemical and chemical processing equipment
- Industrial maintenance and repair
Key Features
- Cr26Ni21 austenitic weld metal for heat-resistant applications
- High chromium and nickel content for elevated-temperature oxidation resistance
- Suitable for stainless steel lining and selected dissimilar steel joints
- Basic coating with DC+ / DCEP operation
- Available in common electrode diameters for industrial welding
Chemical Composition of Deposited Metal
Typical values should be confirmed against the applicable standard and product MTC.
Element | Typical Requirement |
|---|---|
C | ≤ 0.20% |
Mn | 1.00–2.50% |
Si | ≤ 0.75% |
Cr | 25.0–28.0% |
Ni | 20.0–22.5% |
Mo | ≤ 0.75% |
S and P should comply with the applicable product standard.
Mechanical Properties
Typical minimum requirements:
Property | Requirement |
|---|---|
Tensile Strength | ≥ 550 MPa |
Elongation | ≥ 25% |
Actual values should be confirmed by the manufacturer's MTC.
A407 E310-15 FAQ
What is A407 welding electrode?
A407 is a Cr26Ni21 austenitic stainless steel welding electrode classified as E310-15 under GB/T 983 and AWS A5.4.
What is the AWS equivalent of A407?
A407 corresponds to AWS A5.4 E310-15, which is the key international classification for this electrode.
What is A407 E310-15 used for?
It is commonly used for heat-resistant stainless steel, stainless steel linings, clad steel, selected dissimilar steel joints, and high-temperature equipment.
Is A407 an AC or DC electrode?
A407 E310-15 is generally designed for DC+ / DCEP operation.
Supply from GD WELD
GD WELD supplies A407 E310-15 stainless steel welding electrodes for industrial welding, maintenance, repair, and export applications.
For a quotation, please provide the required diameter, quantity, standard, packaging, and destination market. MTC and technical documentation can be provided according to order requirements.
