Welding Electrode
A412 E310Mo-16 Stainless Steel Welding Electrode
A412 E310Mo-16 is a Cr26Ni21Mo2 austenitic stainless steel welding electrode for demanding high-temperature welding applications. It is classified under GB/T 983 E310Mo-16 and corresponds to AWS A5.4 E310Mo-16. A412 is commonly selected for heat-resistant stainless steel, stainless steel linings, clad steel and selected dissimilar steel joints. Its Cr-Ni-Mo weld metal is suitable for industrial equipment and maintenance applications where heat resistance and weld integrity are required.
Product Specifications
Item | Specification |
|---|---|
Product Grade | A412 |
Classification | E310Mo-16 |
Standard | GB/T 983 |
AWS Classification | AWS A5.4 E310Mo-16 |
Product Type | Stainless Steel Welding Electrode |
Weld Metal | Cr26Ni21Mo2 Austenitic Stainless Steel |
Coating | Titanium-Calcium |
Welding Current | AC / DC+ |
Typical Diameters | 2.5, 3.2, 4.0, 5.0 mm |
Base Materials & Welding Compatibility
A412 E310Mo-16 is commonly used for:
- Heat-resistant stainless steels
- Cr-Ni austenitic stainless steels
- Stainless steel linings
- Clad steel
- Selected carbon and low-alloy steel joints
- Selected dissimilar steel combinations
For critical applications, electrode selection should follow the actual base material specification, service conditions and approved welding procedure.
Typical Applications
A412 stainless steel welding electrode is suitable for:
- High-temperature stainless steel equipment
- Heat-resistant components
- Stainless steel lining welding
- Clad steel welding
- Dissimilar steel welding
- Petrochemical equipment
- Industrial maintenance and repair
- High-temperature service applications
Why Use A412 E310Mo-16?
A412 combines an E310-type Cr-Ni austenitic weld deposit with molybdenum, making it suitable for demanding heat-resistant welding applications.
Key advantages include:
- Cr26Ni21Mo2 austenitic weld metal
- Good heat resistance
- Improved corrosion resistance from molybdenum addition
- Suitable for stainless steel lining and clad steel welding
- Applicable to selected dissimilar steel joints
- Suitable for AC or DC+ welding
- Designed for industrial maintenance and repair
Chemical Composition of Deposited Metal
Typical requirements for E310Mo-16 include:
Element | Requirement |
|---|---|
C | ≤ 0.12% |
Mn | 1.0–2.5% |
Si | ≤ 0.75% |
S | ≤ 0.030% |
P | ≤ 0.030% |
Cr | 25.0–28.0% |
Ni | 20.0–22.0% |
Mo | 2.0–3.0% |
Cu | ≤ 0.75% |
Actual deposited metal chemistry should be confirmed against the applicable standard and batch MTC.
Mechanical Properties
Property | Requirement |
|---|---|
Tensile Strength | ≥ 550 MPa |
Elongation | ≥ 25% |
Actual mechanical properties may vary according to manufacturer, production batch and testing conditions.
Welding Current
Typical reference ranges are:
Electrode Diameter | Current |
|---|---|
2.5 mm | 50–100 A |
3.2 mm | 70–130 A |
4.0 mm | 100–160 A |
5.0 mm | 140–200 A |
Actual welding parameters should follow the manufacturer's TDS and approved WPS.
FAQ
What is A412 welding electrode?
A412 is a Cr26Ni21Mo2 austenitic stainless steel welding electrode classified as E310Mo-16.
What is E310Mo-16 used for?
E310Mo-16 is used for heat-resistant stainless steel, high-temperature equipment, stainless steel linings, clad steel and selected dissimilar steel welding applications.
Is A412 a stainless steel welding electrode?
Yes. A412 E310Mo-16 is a stainless steel welding electrode designed for demanding industrial and high-temperature applications.
Can A412 weld dissimilar steels?
Yes. A412 can be used for selected dissimilar steel joints, including stainless steel with carbon or low-alloy steel, when specified by the welding procedure.
Can A412 be used with AC?
Yes. A412 E310Mo-16 is commonly specified for AC or DC+ welding.
A412 E310Mo-16 Welding Electrode Supplier
GD WELD supplies A412 E310Mo-16 stainless steel welding electrodes for heat-resistant stainless steel, high-temperature equipment, stainless steel lining, clad steel and dissimilar steel welding applications.
Different electrode diameters, packaging, MTC documentation and export supply can be provided according to customer requirements.
Send us your base material, electrode diameter, quantity and required standard for a quotation.
