Home > Electrodes > AWS Class E630-16 Electrodes
Mitchell Stainless, a trusted manufacturer and supplier based in Hamilton, New Zealand, provides premium-quality AWS Class E630-16 electrodes designed for welding high-alloy nickel-chromium stainless steels. These electrodes are known for stable arc performance, excellent bead appearance, and strong resistance to cracking, oxidation, and corrosion. Mitchell Stainless ensures consistent coating quality and reliable weldability, supporting fabricators working with high-temperature and aggressive service environments. AWS E630-16 electrodes are especially suitable for applications requiring superior mechanical strength, corrosion resistance, and durability under severe operating conditions.
AWS Class E630-16 electrodes deposit a nickel-chromium-molybdenum austenitic stainless steel weld metal with high alloy content. The weld metal provides excellent corrosion resistance, high tensile and yield strength, and good toughness. It exhibits superior resistance to pitting, crevice corrosion, and stress corrosion cracking. These electrodes operate effectively on both AC and DC currents, delivering smooth arc characteristics, consistent mechanical performance, and reliable weld integrity for high-performance nickel alloys like Alloy 625 (Inconel 625).
| Classification | AWS A5.4, E630-16 |
| Form | Welding Electrode, Welding Rods |
| Type Of Current | AC-DCEP (Direct Current Electrode Positive) |
| Welding Position | F, V, OH, H |
| Size | 2.0 mm, 2.50 mm, 3.15 mm, 4.00 mm, 5.0 mm |
| AC/DC+ | AC or DC (+) |
| JIS Specification | BS 2926 19.9 A R |
| Other Specification | DIN 8556 E19 9 R 23 A |
| AWS E630-16 Coated Electrodes Application & uses |
|
|
Carbon (C) |
0.03 |
|
Chromium (Cr) |
16.58 |
|
Copper (Cu) |
3.55 |
|
Iron (Fe) |
Balance |
|
Manganese (Mn) |
0.56 |
|
Molybdenum (Mo) |
0.20 |
|
Nickel (Ni) |
4.78 |
|
Niobium (Nb) |
0.24 |
|
Nitrogen (N) |
0.04-0.08 |
|
Phosphorous (P) |
0.018 |
|
Silicon (Si) |
0.44 |
|
Sulfur (S) |
0.02 |
Contact us to get a quick quote for your requirement.
These electrodes offer exceptional corrosion resistance and are ideal for various stainless steel welding applications. They typically come in sizes like 1/8″, 5/32″, and 3/16″. The light coating ensures smooth arc stability and minimal spatter during welding.
Offering robust corrosion resistance, these electrodes are designed for demanding welding tasks on stainless steel. Available in sizes such as 1/8″, 5/32″, and 3/16″, the heavy coating enhances arc stability and slag removal, making them suitable for heavy-duty applications.
These electrodes provide superior corrosion resistance for stainless steel welding with shielded arc protection. They are typically available in diameters of 1/8″, 5/32″, and 3/16″. The shielded arc ensures clean, strong welds with minimal contamination.
We ensure a high quality standard with our offerings on the AWS Class E630-16 Electrodes. Our product details include commercial invoices and packaging lists, along with fumigation certificates and heat treatment charts, quality assurance plans and approved laboratory test reports. We also include several test certificates for the electrodes. These certificates include MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. We aim to guarantee 100% client satisfaction and confidence in our products by providing these thorough certifications.
AWS E630-16 electrodes are commonly used for welding nickel-based superalloys such as Alloy 625 and similar high-performance materials. Typical applications include chemical processing equipment, aerospace components, marine structures, heat exchangers, and pressure vessels exposed to highly corrosive or high-temperature environments. They are also used in petrochemical, power generation, and industrial fabrication sectors where long-term durability and corrosion resistance are critical. In New Zealand’s fabrication and maintenance industries, these electrodes are valued for producing strong, crack-resistant, and corrosion-resistant welds suitable for demanding service conditions.







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