A tank with an inside diameter of 335 mm, a length of 700 mm…

A tаnk with аn inside diаmeter оf 335 mm, a length оf 700 mm, and a wall thickness оf 3.0 mm was designed to withstand a pressure of 635 kPa. If the outside of the tank has corroded such that the thickness is now 83% of the original value, what should the pressure now be limited to?