Home > Electrodes > AWS Class ER330 Mig & Tig Filler Welding Wire & Rod
Andre Stainless in Pulau Ujong, Singapore, is a key supplier of heat-resistant welding alloys like AWS Class ER330 MIG and TIG filler wire and rod. Specifically created for high-temperature service, ER330 is suited for welding wrought or cast 330 stainless steel used in extreme heat and oxidation conditions. Andre Stainless produces ER330 with consistent chemistry and arc characteristics, meeting the high demands of furnace, petrochemical, and heat treatment equipment manufacturers in Singapore and beyond.
ER330 usually contains 35-37% Nickel and 18-20% Chromium, with small amounts of Silicon and Manganese to improve oxidation resistance. It is a fully austenitic alloy with low carbon content (<0.08%). Mechanical properties include tensile strength of 80,000 psi (550 MPa), yield strength around 45,000 psi (310 MPa), and elongation of 35%. This alloy maintains its mechanical qualities at elevated temperatures and has excellent oxidation resistance above 1000°C (1830°F).
| Classification | AWS A5.9, ER330 |
| Form | MIG spools, TIG cut lengths, Reels and Coils |
| Type Of Welding | Inert Gas Welding |
| Current | MIG-DCEP / TIG-DCEN |
| Diameters | .023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8” |
| Standard TIG straight lengths are available | 36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request. |
| AWS ER330 MIG & TIG Filler Metal Application & uses |
|
| C | Cr | Ni | Mo | Mn | Si | P | S | Cu |
| 0.18-0.25 | 15.0-17.0 | 34.0-37.0 | 0.75 | 1.0-2.5 | 0.30-0.65 | 0.03 | 0.03 | 0.75 |
| Yield, kpsi: | 56 |
| Tensile Strength, kpsi: | 84 |
| Elongation%, min: | 29 |
Contact us to get a quick quote for your requirement.
Stainless Steel ER330 MIG Filler Wire is available in various diameters such as 0.035″, 0.045″, and 1/16″. It is highly resistant to oxidation and carburization in high-temperature environments. This wire is suitable for welding alloys of similar composition and dissimilar metals.
Stainless Steel ER330 TIG Filler Wire comes in sizes like 1/16″, 3/32″, and 1/8″. It provides excellent resistance to scaling and oxidation up to 2200°F (1204°C). Ideal for applications involving severe thermal cycling and thermal shock resistance.
Stainless Steel ER330 TIG Filler Rod is available in diameters of 1/16″, 3/32″, and 1/8″. This rod offers superior corrosion resistance in high-temperature applications. It is used for welding similar alloys and for cladding carbon and low-alloy steels.
Each AWS Class ER330 MIG and TIG Filler Welding Wire and Rod is carefully packed using high-quality materials to prevent rust and damage during shipping. We focus on clients satisfaction. Through on time and reliable shipping, delivering products on time. All relevant product documentation is provided to clients at the time of delivery assuring a seamless experience.
ER330 is widely used for welding 330-grade stainless steel in situations involving long exposure to high temperatures. In Pulau Ujong, it supports the fabrication of furnace parts, heat exchangers, burners, and reformer tubes. It is preferred in petrochemical plants, cement kilns, and thermal processing industries where thermal fatigue and scaling are concerns. Its resistance to oxidation, carburization, and nitridation makes it ideal for welding in extreme conditions, maintaining structural integrity even after long thermal cycles.







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