Sells Perforated, Expanded Metal, Welding Wire-Electrodes, Welding Wire - Electrodes +1
Buys —
Buys —
🔒 Phone · Email · Web
›
Covered electrodes, bare wire and rods, flux-cored wire and strip used to weld stainless and duplex steels and to join them to carbon steel. They are classified by AWS A5.4, A5.9 and A5.22 in the USA and ISO 3581, ISO 14343 and ISO 17633 internationally, and are chosen so the weld metal matches or over-alloys the base metal.
Stainless steel is welded with filler metal of matching or slightly richer composition, so that the weld keeps the corrosion resistance and strength of the plate. The filler is made from drawn stainless wire: covered electrodes add a flux coating that shields the arc and adjusts the weld chemistry, while solid wire and rods rely on shielding gas (argon, argon-CO2 or argon-helium mixtures) and flux-cored wire carries flux inside a stainless sheath.
Filler choice follows a few rules. A low-carbon 'L' filler (308L for 304L, 316L for 316L) avoids carbide precipitation and intergranular corrosion. Austenitic fillers are designed to deposit a little ferrite — typically 3–10 FN — which prevents hot cracking. Joining stainless to carbon steel needs an over-alloyed filler such as 309L so the diluted weld stays austenitic. Duplex 2205 is welded with 2209, which carries extra nickel to keep the ferrite–austenite balance in the as-welded deposit, and super duplex with 2594.
The AWS designation reads like a sentence: E for electrode, then the alloy (308L), then a two-digit suffix for the coating — -15 basic for DC, -16 rutile for AC or DC, -17 rutile with more silica for a smoother bead. ER marks a bare wire or rod, and 'Si' a higher-silicon wire that wets better in MIG. ISO 14343 uses either the composition-based system (for example 'G 19 9 L Si') or the AWS-style system ('S 308LSi').
In the GCC stainless welding consumables go into desalination plant, oil and gas facilities, water tanks, dairy and food equipment and architectural work. Procedures are qualified to ASME Section IX or ISO 15614-1, and consumables are bought from international brands through regional distributors. Hot, humid storage is a real problem in the summer: electrodes pick up moisture, which causes porosity, so they are kept in sealed packs or heated quivers and re-dried to the maker's instructions.
Consumables are ordered by classification, diameter and package — for example 'AWS A5.4 E316L-16, 3.2 mm, vacuum pack' or 'AWS A5.9 ER2209, 1.2 mm, 15 kg spool'. The welding procedure (WPS) names the filler, so the classification must match it exactly.
Filler metals are classified by AWS and ISO; the welding procedure itself is qualified separately to ASME Section IX or ISO 15614-1.
| Region | Standard | What it covers |
|---|---|---|
| USA | AWS A5.4/A5.4M AWS |
Stainless steel electrodes for shielded metal arc welding — E308L-16, E316L-16, E309L-16, E2209-16 and others |
| USA | AWS A5.9/A5.9M AWS |
Welding consumables — wire electrodes, strip electrodes, wires and rods for arc welding of stainless and heat-resisting steels |
| USA | AWS A5.22/A5.22M AWS |
Stainless steel flux cored and metal cored welding electrodes and rods |
| International | ISO 3581 ISO |
Covered electrodes for manual metal arc welding of stainless and heat-resisting steels — classification |
| International | ISO 14343 ISO |
Wire electrodes, strip electrodes, wires and rods for arc welding of stainless and heat resisting steels — classification |
| International | ISO 17633 ISO |
Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels |
| USA | ASME BPVC Section II Part C ASME |
The ASME edition of the AWS filler metal specifications (SFA-5.4, SFA-5.9, SFA-5.22) used for code welding |
| Japan | JIS Z3221 JSA |
Covered electrodes for stainless steel |
| Japan | JIS Z3321 JSA |
Stainless steel welding rods and solid wires |
| China | GB/T 983 SAC |
Stainless steel covered electrodes |
Grade equivalents and the standards bodies: Steel grades & standards
No open offers or inquiries for this product right now.
Translation isn’t available right now. The site is shown in English.
Loading translation…
