400 Nickel Sheet Brinell Hardness 110 Fabrication Hot Rolled Heat Treatable No Heat Treatment Annealed Length Tolerance -0.125/+0.125 in Nickel 400 Mechanical Finish Mill 24 in Overall Length 12 in Overall Width B60 Shape Sheet Straightness Tolerance Not Rated System of Measurement Inch 0.1875 in Thickness Thickness Tolerance -0.055/+0.055 in Width Tolerance -0.125/+0.125 in Yield Strength 28 000 psi