Harris
Harris ER312 Stainless Steel MIG Welding Wire - .035" x 25 lb Spool
- SKU:
- 00312F8
- Availability:
- Usually in Stock – Ships Quickly
- Weight:
- 25.00 LBS
Description
Harris ER312 Stainless Steel MIG Welding Wire
Harris ER312 stainless steel MIG welding wire is designed for GMAW / MIG welding of base metals with similar composition in wrought or cast form and for selected steel-to-stainless-steel joints. The ER312 alloy provides high strength and is commonly used in fabrication, maintenance, repair and dissimilar-metal welding applications.
This product is supplied as .035" diameter wire on a 25 lb spool. Harris item number 00312F8 determines the package weight, selling price and cost.
Product Highlights
- ER312 stainless steel MIG welding wire
- Designed for GMAW / MIG welding
- Suitable for similar-composition stainless steels in wrought or cast form
- May be used for selected steel-to-stainless-steel joints
- .035" wire diameter
- 25 lb spool
- 106,000 psi tensile strength in the as-welded condition
- 75,000 psi yield strength in the as-welded condition
- 25% elongation in the as-welded condition
- 30% reduction of area in the as-welded condition
- 75 ft-lb Charpy V-notch impact at room temperature
- Suitable for all welding positions
- Conforms to ANSI/AWS A5.9 and ASME SFA 5.9 Class ER312
Technical Specifications
| AWS Classification | ER312 |
|---|---|
| Product Type | 312 Stainless Steel MIG Welding Wire |
| Welding Process | GMAW / MIG Welding |
| Wire Diameter | .035" (0.89 mm) |
| Package | 25 lb Spool |
| Welding Positions | All Positions |
| Shielding Gas | 98% Ar / 2% O2 |
| Classification Standard | ANSI/AWS A5.9 / ASME SFA 5.9 Class ER312 |
| Manufacturer | The Harris Products Group |
As-Welded Mechanical Properties
| Tensile Strength | 106,000 psi |
|---|---|
| Yield Strength | 75,000 psi |
| Elongation | 25% |
| Reduction of Area | 30% |
| Rockwell B Hardness | 93-102 HRB |
| Brinell Hardness | 200-250 HB |
| Charpy V-Notch Impact | 75 ft-lb at Room Temperature |
Available Size & Packaging
| Wire Diameter | Package | Harris Item Number |
|---|---|---|
| .035" | 25 lb Spool | 00312F8 |
Common Applications
Stainless Steel Fabrication
- General stainless steel fabrication
- Similar-composition stainless steels
- Cast stainless components
- Industrial equipment
- Fabrication shops
Dissimilar Metals & Repair
- Steel-to-stainless-steel joints
- Dissimilar-metal welding
- Plant maintenance
- Industrial repair
- Field fabrication
Why Choose ER312 MIG Welding Wire?
High-Strength Stainless Filler Metal
ER312 provides high as-welded strength and is commonly selected for demanding stainless steel and selected dissimilar-metal welding applications.
Dissimilar-Metal Capability
Harris identifies ER312 for welding similar-composition materials as well as selected steel-to-stainless-steel joints. Confirm filler-metal compatibility with the applicable welding procedure and base materials.
Product Selection Considerations
Wire Diameter
This product is supplied in .035" diameter. Confirm the wire diameter is appropriate for your wire feeder, amperage range, joint design and welding procedure.
Base-Metal Compatibility
Confirm that ER312 is appropriate for the materials being joined, particularly for dissimilar-metal joints and applications subject to specific code or engineering requirements.
Product Resources
View manufacturer-published specifications, application guidance and product information for Harris ER312 stainless steel GMAW / MIG welding wire.
View Harris Product InformationNeed Help Selecting Harris ER312 Stainless Steel MIG Wire?
Our welding and industrial supply specialists can help verify ER312 filler-metal compatibility, wire diameter and application requirements for your MIG welding job.
Frequently Asked Questions
What is Harris ER312 stainless steel MIG welding wire?
Harris ER312 is a stainless steel GMAW / MIG filler wire used for similar-composition materials and selected dissimilar-metal joints.
Can ER312 be used for steel-to-stainless-steel welding?
Yes. Harris identifies ER312 for selected steel-to-stainless-steel applications. Confirm suitability with the applicable welding procedure and engineering requirements.
What wire diameter is supplied?
This product is supplied in .035" diameter.
What package size is supplied?
Harris item 00312F8 is supplied on a nominal 25 lb spool.
What is the tensile strength of ER312?
Harris lists an as-welded tensile strength of approximately 106,000 psi.
What is the yield strength of ER312?
Harris lists an as-welded yield strength of approximately 75,000 psi.
What shielding gas is recommended?
Harris lists 98% argon / 2% oxygen shielding gas for this GMAW product.
Can ER312 be welded in all positions?
Yes. Harris identifies this alloy for all welding positions.
Important Ordering Notes
- This product is supplied as .035" diameter wire on a nominal 25 lb spool.
- Harris item number: 00312F8.
- Confirm ER312 filler-metal compatibility with the materials being joined before welding.
- Pay particular attention to welding-procedure requirements for dissimilar-metal joints.
- Verify all welding procedure, specification, code and project requirements before use.
- Always follow applicable welding procedures, manufacturer instructions and workplace safety requirements.
California Proposition 65 Warning
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
