50 t/h SES steam boiler, 2nd group superheater
A superheater is the tube bundle that raises the saturated steam produced in the boiler to a higher temperature to obtain superheated steam; it is among the boiler’s pressure parts working at the highest temperature. HECON’s company profile records two superheater replacements: one at an iron and steel works, one at a sugar factory.
Kardemir: SES boiler, 2nd group superheater
Owner Kardemir Iron & Steel, turnkey contract, completed March 2026, location Karabük. Boiler: 50 t/h SES steam boiler; replaced: the 2nd group superheater. Scope of work:
- Procurement and fabrication of seamless 16Mo3 superheater tubes
- Procurement and fabrication of 1.4742 superheater hangers
- Dismantling of the old superheater
- Installation of the new one
On site: cutting, fit-up and welding inside the boiler.
Material
16Mo3 is a molybdenum-alloyed steel used for boiler tubes that work under pressure at high temperature. 1.4742 is a ferritic stainless steel resistant to oxidation at high temperature; it is used for load-bearing parts that sit in the gas flow, such as superheater hangers.
Çumra Şeker: D-type steam boiler
Client Çumra Şeker, boiler D-type steam boiler, completed 2026, location Çumra, Konya. Scope of work: replacement of the superheater of the D-type steam boiler at the Çumra sugar factory. A D-type boiler is a water-tube boiler in which the steam and water drums are connected by tubes, resembling the letter D in cross-section.
Related projects
Frequently asked questions
- What materials were used in the Kardemir SES boiler?
- Seamless 16Mo3 superheater tubes and 1.4742 superheater hangers.
- Why is a superheater replaced?
- Creep and oxidation at high temperature gradually thin the tube wall; superheater tubes at the end of their life carry a risk of leakage.
- How did the work proceed on site?
- The scope was procurement and fabrication of the tubes and hangers, dismantling of the old superheater and installation of the new one; on site, cutting, fit-up and welding were carried out inside the boiler.
Source: HECON company profile · pp.26, 31, 32 · All articles