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 12 in Overall Length 6 in Overall Width B60 Shape Sheet Straightness Tolerance Not Rated System of Measurement Inch 0.5 in Thickness Thickness Tolerance -0.055/+0.055 in Width Tolerance -0.125/+0.125 in Yield Strength 28 000 psi