ER318 Stainless Steel Welding Rod
AWS A5.9-2022 ER318 stainless steel welding rod with Mo and Nb stabilization. Verified chemistry, 592 MPa tensile strength, and 42% elongation. Request Dayang Welding specifications and quotation.
ER318 stainless steel welding rod is an AWS A5.9-2022 classified filler metal containing chromium, nickel, molybdenum, and niobium. Its stabilized composition is designed for welding compatible corrosion-resistant stainless steels where molybdenum alloying and niobium stabilization are required.
The inspected Φ2.4 mm batch recorded 18.79% Cr, 11.47% Ni, 2.12% Mo, and 0.41% Nb. Deposited weld metal achieved 592 MPa tensile strength and 42% elongation, while both face-bend and root-bend tests were reported as OK.
Dayang Welding supports global buyers with batch-specific inspection records, controlled chemical composition, specification verification, and export-ready welding consumables.
Key Features
- AWS A5.9-2022 classification
Manufactured and inspected according to the applicable ER318 wire standard. - Molybdenum-alloyed weld chemistry
The inspected wire contains 2.12% Mo, supporting applications that specify a molybdenum-bearing stainless filler. - Niobium-stabilized composition
The 0.41% measured Nb content meets the recorded specification of 8×C to 1.00%. - Verified tensile performance
Deposited weld metal from the inspected batch achieved 592 MPa tensile strength against the ≥550 MPa requirement. - High measured ductility
The batch achieved 42% elongation against the ≥25% requirement. - Successful bend testing
The face-bend and root-bend test results were both recorded as OK.
Products Description
| Item | Certified information |
|---|---|
| Commodity | Stainless Steel Welding Rod |
| AWS classification | ER318 |
| Executed standard | AWS A5.9-2022 |
| Diameter | Φ2.4 mm |
| Certified net weight | 1500.00 kg |
Chemical Composition of Wire
| Element | AWS Specification Requirements (%) | Current Batch Measured Value (%) |
|---|---|---|
| C | ≤0.08 | 0.027 |
| Si | 0.30–0.65 | 0.47 |
| Mn | 1.00–2.50 | 1.55 |
| S | ≤0.03 | 0.004 |
| P | ≤0.03 | 0.025 |
| Ni | 11.00–14.00 | 11.47 |
| Cr | 18.00–20.00 | 18.79 |
| Mo | 2.00–3.00 | 2.12 |
| Cu | ≤0.75 | 0.29 |
| Nb | 8×C–1.00 | 0.41 |
Deposited Weld Metal Test Results
| Test item | Requirement | Batch result |
|---|---|---|
| Tensile strength, Rm | ≥550 MPa | 592 MPa |
| Elongation, A | ≥25% | 42% |
| Face-bend test | 180° | OK |
| Root-bend test | 180° | OK |
| Yield strength | Not stated | Not reported |
| Impact test | Not stated | Not reported |
| Hardness | Not stated | Not reported |
| Radiographic test | Grade I listed | Result not entered |
Recommended Applications
ER318 may be considered for:
- Welding compatible niobium-stabilized Cr-Ni-Mo stainless steels
- Fabrication requiring a molybdenum-bearing stainless filler
- Equipment where the welding procedure specifies AWS A5.9 ER318
- Stainless-steel structures requiring a stabilized weld-metal composition
- Repair or fabrication of chemically exposed stainless components, subject to engineering approval
- TIG applications using ER318 straight-length rods
Recommended Call to Action
Send us your required diameter, quantity, welding process, base material, service conditions, applicable code, and destination country. Dayang Welding will help confirm product availability and provide the relevant batch documentation.
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