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## Main Question or Discussion Point

hello,

i am trying to calculate thermal stress on sphere, considering chage in temperature causes chage in volume of the sphere so needed volumatric expansion coefficient of steel; i have a data about mean coefficient of thermal expansion for 316ss..is there any way to calculate volumetric expansion coefficient or can use mean coefficient of thermal expansion for calculation...? is there any standard source to get these values....?

i am trying to calculate thermal stress on sphere, considering chage in temperature causes chage in volume of the sphere so needed volumatric expansion coefficient of steel; i have a data about mean coefficient of thermal expansion for 316ss..is there any way to calculate volumetric expansion coefficient or can use mean coefficient of thermal expansion for calculation...? is there any standard source to get these values....?