Heat treatment on spherical tank in NASIRYAH-IRAQ accomplished by Hamedsoft engineering company in 30 January 2016. Tank detailed as below:

• Dia : 18 m
• Maximum Thickness: 55mm
• Average heating rate: 55’C/Hh
• Holding temperature: 595 ~ 630 ‘C
• Average cooling rate: 65’C/hr

Ambient temperature : 9’c