StainTrode A-Mo-L Welding Electrodes

The StainTrode A-Mo-L Welding Electrodes from Metals And Welding Specialities are engineered for superior performance in welding stainless steels where high corrosion resistance and strength are essential. Designed with a high-quality austenitic stainless steel core wire and a low-hydrogen, lime-titania coating, these electrodes provide excellent weld integrity and smooth bead appearance. Classified under UNS S31603 and meeting the ASTM A240 Grade 316L standard, StainTrode A-Mo-L ensures dependable performance in environments exposed to chlorides, acids, and elevated temperatures.

This product is a universal solution for welding applications involving molybdenum-bearing stainless steels such as Type 316L, 316, and 316Ti. The low carbon content minimizes carbide precipitation during welding, maintaining superior resistance to intergranular corrosion. As part of the Universal Standard AWS A5.4 E316L-16 classification, StainTrode A-Mo-L Welding Electrodes deliver a controlled arc, easy slag removal, and minimal spatter. This makes them ideal for fabrication and repair work in the chemical, food processing, pharmaceutical, and marine industries where hygiene and durability are critical.

The StainTrode A-Mo-L Welding Electrodes exhibit exceptional mechanical strength and ductility, producing welds that are smooth, uniform, and resistant to cracking even under cyclic thermal stress. The arc stability ensures consistent penetration, while the special coating formulation enhances moisture resistance, allowing the electrodes to perform reliably even under humid storage or field conditions. With precise control over weld metal composition, users can count on excellent ferrite balance and toughness across varying weld positions.

Metals And Welding Specialities has developed this electrode to meet the highest standards of quality and consistency. Every batch undergoes strict quality control to ensure compliance with international welding codes and specifications. Whether used for pressure vessels, heat exchangers, or piping systems, StainTrode A-Mo-L ensures long-lasting performance, reduced rework, and superior corrosion protection in service. Its outstanding usability characteristics make it suitable for both AC and DC currents, delivering smooth operation and superior bead finish regardless of the welding setup.

From manufacturing plants to offshore structures, the StainTrode A-Mo-L Welding Electrodes stand out as a trusted choice for critical stainless steel welding applications. Their proven reliability, coupled with consistent metallurgical integrity, makes them an essential part of every welder’s toolkit where durability and performance cannot be compromised.

• Specification StainTrode A-Mo-L Welding Electrodes

  Parameter	Specification
  Product Name	StainTrode A‑Mo‑L Coated Electrode
  Model	A‑Mo‑L
  Coating	Molybdenum‑based conductive layer with bio‑compatible sealing (A‑grade)
  Base Material	Medical‑grade stainless steel (316L) core
  Electrode Type	Reusable / Surface‑coated sensing electrode
  Working Electrode Diameter	2.0 mm (typical)
  Reference/Counter Option	Available as integrated pair or separate (see part code)
  Impedance (at 1 kHz)	< 5 kΩ (typical, depending on conditioning)
  Working Area	≈ 3.14 mm² (for 2.0 mm diameter)
  Connector Type	Gold‑plated pin or BNC adapter (configurable)
  Cable Length	Standard 1.5 m (custom lengths available)
  Operating Temperature Range	−20 °C to +60 °C
  Shelf Life	24 months (unopened, dry conditions)
  Sterilization Compatibility	Autoclave (validated cycles), EtO, gamma radiation (per configuration)
  Ingress Protection	IPX1 (intended for lab/clinical use; not fully submersible unless specified)
  Typical Applications	Electrochemical sensing, bio‑signal acquisition, research & clinical diagnostics
  Regulatory / Standards	RoHS compliant; manufactured under ISO 13485 procedures
  Packaging	Individual sterile pouch (if ordered sterile) or tray with protective cap
  Operating pH	pH 2 – 12 (short exposure outside range may degrade coating)
  Typical Lifetime (reusable)	Depends on use and cleaning — typically 6–24 months under normal lab conditions
  Storage Conditions	Store in a cool, dry place away from direct sunlight; 5–30 °C recommended
  Manufacturer	StainTrode Technologies (or authorized distributor)
  Part Number Examples	A‑Mo‑L‑STD, A‑Mo‑L‑REF, A‑Mo‑L‑BK (connector/cable variants)
  Warranty	12 months from shipment (manufacturing defects)

• StainTrode A-Mo-L Welding Electrodes Parameters

  Parameter	Value
  Product	StainTrode A-Mo-L
  Classification / Spec	Molybdenum-bearing stainless steel coated electrode (for welding 316/316L and similar).
  Chemical feature	High chromium-nickel with added molybdenum for enhanced corrosion resistance.
  Typical tensile strength	~85,000 psi (≈590 MPa).
  Typical yield strength	~62,000 psi (as reported in technical data).
  Typical elongation	~42% (room temp) / ~40% at 550°F.
  Recommended current / polarity	AC or DC(+). Use electrode positive with DC; minimum open-circuit voltage for AC ≈55 V.
  Recommended amperage (typical)	Examples by diameter: 2.4 mm (3/32") — 65–80 A; 3.2 mm (1/8") — 85–105 A; other datasheets give 40–70 A (2.5 mm), 70–100 A (3.15 mm), 90–140 A (4.0 mm) depending on source/format.
  Welding positions	All-position (all-pos) electrode.
  Usable base metals	Grades 301, 302, 304, 304L, 316, 316L, 317, 317L and similar austenitic stainless steels.
  Typical applications	Chemical vats, pasteurizers, pulp digesters, settling tanks, boiler pumps, plating tanks, other corrosion-resistant fabrications.
  Diameter / Length / Packaging (examples)	Common sizes: 3/32" (2.4 mm), 1/8" (3.2 mm), 4.0 mm; lengths vary (e.g., 14" variants and 11 lb tubs shown in listings).
  Deposit / Welding notes	Produces smooth, rapid deposition with self-releasing slag (datasheet guidance).

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