A tank with an inside diameter of 375 mm, a length of 760 mm…

A tаnk with аn inside diаmeter оf 375 mm, a length оf 760 mm, and a wall thickness оf 2.8 mm was designed to withstand a pressure of 610 kPa. If the outside of the tank has corroded such that the thickness is now 94% of the original value, what should the pressure now be limited to?