EnDOtec DO*28 S cored wire electrode

EnDOtec DO*28 S

Rutile-containing flux-cored wire electrode with austenitic weld metal and approx. 10 % δ-ferrite. Resistant to
Pitting and intercrystalline corrosion up to 400 °C. Scale resistant up to 800 °C. Can be polished to a mirror finish. Permissible operating temperature -60 °C to 400 °C. Mixed joints permissible up to max. 300 °C.

Technical data
EN ISO 17633 - A: T 19 12 3 L R M (C) 3
AWS A5.22: E316LT0-1/4
SFA 5.22: E316LT1-1
Material no.: 1.4430

Applications
For joint welding of non-stabilized and stabilized CrNi steels, e.g:
1.4301 - X 5 CrNi 18-10 (X 5 CrNi 18-9),
1.4306 - X 2 CrNi 19-11 (X 2 CrNi 18-9),
1.4308 - GX 6 CrNi 18-9,
1.4401 - X 5 CrNiMo 17-12-2 (X 5 CrNiMo 18-10),
1.4404 - X 2 CrNiMo 17-13-2 (X 2 CrNiMo 18-10),
1.4408 - GX 6 CrNiMo 18-10,
1.4435 - X 2 CrNiMo 18-14-3 (X 2 CrNiMo 18-12),
1.4436 - X 5 CrNiMo 17-13-3 (X 5 CrNiMo 18-12),
1.4541 - X 6 CrNiTi 18-10,
1.4550 - X 6 CrNiNb 18-10 (X 10 CrNiNb 18-9),
1.4552 - GX 5 CrNiNb 18-9,
1.4571 - X 6 CrNiMoTi 17-12-2,
1.4573 - X 10 CrNiMoTi 18-12,
1.4580 - GX 10 CrNiMoNb 18-10,
1.4581 - GX 5 CrNiMoNb 18-10,
1.4583 - X 10 CrNiMoNb 18-12,
1.4948 - X 6 CrNi 18-11
and corresponding cast steel.

Processing instructions
Clean welding areas. Limit interpass temperature to 150 °C. Use wire brushes made of austenitic CrNi steels. Plastic guide core and contact tip, as for welding aluminum, are recommended.

Welding positions: PA, PB, PC, PF
Type of current: = (+)
Shielding gas: EN ISO 14175: M21 Ferroline C 18 (max. 18 % Co2 - 82 % Ar)

Approvals
TÜV, DB (43.024.05), CE

Where it can be used 

EnDOtec DO*28 S is a versatile electrode, ideal for maintenance and repair applications across various industries. This cored wire electrode is specifically designed for welding stainless steels, offering excellent resistance to intergranular corrosion and oxidation up to 800°C. With a high degree of arc stability and low heat input, it ensures efficient and high-quality welds.

In the pulp and paper industry, EnDOtec DO*28 S has been instrumental in rebuilding worn screw flights and recovering cutting edges in pulper sieves, significantly extending their service life. In the machinery and equipment industry, it has been used for welding flotation apparatus, providing excellent weldability even in challenging positions. The petrochemical industry has benefited from its use in welding blowers, matching the base metal composition and meeting production deadlines without halting manufacturing.

This electrode is also widely used in the food industry, chemical apparatus construction, and other sectors requiring high-integrity welding solutions. Its ability to handle service temperatures from -60°C to 400°C and its high gloss polishability make it a preferred choice for various demanding applications. EnDOtec DO*28 S continues to prove its reliability and efficiency in solving complex welding challenges across multiple industries.