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  3. 1) identify the type of steel (alloy?) with values

1) Identify the type of steel (alloy?) with values similar to the following: Modulus of Elasticity =...

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Mechanical Engineering

1) Identify the type of steel (alloy?) with valuessimilar to the following:

Modulus of Elasticity = 189.75 MPa

Ultimate Tensile Strenght (UTS) = 740.05 MPa

Cup Cone Fracture

Toughness = 4.84 MPa

2) Identify the type of treatedsteel(alloy?) with values similar to the following:

Modulus of Elasticity = 326.07 MPa

Ultimate Tensile Strenght (UTS) = 408.97 MPa

Cup Cone Fracture

Toughness = 140.91 MPa

My guess is that this one is some type of heat treatedsteel, the steel being the same type as 1) but I do not know how toidentify it.

3) Identify the type of brass (alloy?)with values similar to the following:

Modulus of Elasticity = 84.88 MPa

Ultimate Tensile Strenght (UTS) = 480.34 MPa

Diaginal, Rough Fracture

Toughness = 76.47 MPa

All of these values have been calculated from a TensileTest machine and by hand so there is room for error.

Answer & Explanation Solved by verified expert
4.0 Ratings (575 Votes)
1 Since the ultimate tensile strength is very high for this type of steel it must be quneched and tempered hot rolled steel When looked in standard steel charts ASTM A514 Grade    See Answer
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