WELDING ELECTRODES UONI 13/55

Electrode Description

Re-baking of electrodes should be carried out at a temperature of 350–380°C for 1–1.5 hours.

Deposition efficiency: 9–10 g/A·hr.

Electrode consumption per 1 kg of deposited metal: 1.5 kg.

Impact toughness:

(KCU +20°C) ≥ 180 J/cm²

(KCV -20°C) ≥ 50 J/cm²

(KCU -60°C) ≥ 40 J/cm²

Application Range

UONI 13/55 electrodes are designed for welding any structures made of carbon and low-alloy structural steel. They are primarily used for highly critical structural applications across various industries.

Packaging Type: Box

Weight: 5 kg

Available Diameters: 2.5 mm – 6 mm

PERFORMANCE CHARACTERISTICS

Spatial position: All except vertical-down

Vertical welding: ★★★★☆

Weld bead formation: ★★★★☆ (min)

Root pass: ★★★★★

Small diameter pipe welding: ★★★★☆

Welding process controllability: ★★★★☆

Open-arc / "Out-of-position" welding: ★★★★★

Arc stability: ★★★★☆ (min)

Arc softness: ★★★★☆

Welding on any AC/DC power sources: ★★★★☆

Low-current welding: ★★★★★

Slag detachability: ★★★★☆

Spatter level: ★★★★☆ (min)

Gas evolution: ★★★★☆ (min)

Mechanical properties (GOST 9466-75): ★★★★☆

Short-arc welding: Recommended

Welder experience required: Essential

Welding on contaminated surfaces: Not recommended

TECHNICAL SPECIFICATIONS

Chemical Composition (%)

C: ≤ 0.10

S: ≤ 0.025

Mn: 0.65–1.2

Si: 0.18–0.5

P: ≤ 0.03

Mechanical Properties

Tensile strength: ≥ 520 MPa

Yield strength: ≥ 375 MPa

Elongation: ≥ 22%

Welding Current (A) by Welding Positions