StarBlaze 7016

AWS A5.1: E 7016 – H4 | DIN EN 499: E 42 4 B 12 H5 | DIN EN ISO 2560-A: E 42 4 B 12 H5

Exceptionally Stable Arc, Ultra Smooth Bead, Superior Reliability

A low-hydrogen potassium coated electrode with a notably stable arc delivering an ultra-smooth finely rippled weld.

Available Packs
- Dimensions: 2.50 mm x 350 mm, 3.15 mm x 450 mm, 4.00 mm x 450 mm, 5.00 mm x 450 mm
- Pack Sizes: 2.5 Kg Pouch, 5 Kg Box
- Master Box: 20 Kg, 30 Kg, 40 Kg, Customisable packaging available on request

Key Features

Basic coated, low-hydrogen electrode.
Produces tough and crack-free joints.
Excellent for joint access.
Good toughness properties down to -40°C.
Exceptionally stable arc, ideal for root passes and positional welding.
Reliable welding application for critical welding of C-Mn & low-alloy structural steels.
Produces smooth finely-rippled weld beads.

Industries

Processes

Manual Metal Arc Welding (MMA / SMAW) for
Operates on both AC and DC+ polarity
All-position welding capability.
Buffer Layer Deposition on Carbon and Low-alloy steels.
Joining Mild Steel to Cast Steel components.
Low hydrogen (H5) content for welding critical structures reducing risk of cold cracking.

Additional Details

Suitable for welding carbon steels, cast steels, and buffer layers on alloy steels
Crack-resistant welds in restraint-sensitive joints
Excellent for multipass welding with clean slag removal
Re-dry electrodes at 300–350°C for 2 hours, up to 3 times
Not recommended for short arc conditions or excessive weaving

Typical Chemical Composition (%)

C	Si	Mn	P	S
0.07	0.40	1.20	0.025	0.020

Typical Mechanical Properties (All Weld Metals)

Heat Treatment

Tensile Strength

Rm (N/mm2)

Yield Strength

Rp (N/mm2)

Elongation

A5 (%)

Charpy Impact Value

(ISO-V J -30°C)

As Welded

520-620

≥ 420

Recommended Welding Parameters