Regarding Tensile strength, Shear Strength and Bearing strength of A36 steel

[jones1234]

Hi all,

I'm designing a steel component based on AISC (Specification for Structural Steel Buildings), in which I've considered ASD design.

I'd just like to know what will be values of Tensile strength, Shear Strength and Bearing strength of A36 steel.
I checked through A36 material property which has 250 MPA Yield Strength and about 400 MPa Ultimate tensile strength.
I understand material deformation should be in elastic range so my above 3 values should be necessarily less than 250 MPa but I don't get by what factor these should be divided or is there any other method for these values ??

As I'm designing based on ASD design, so I've got factor by which these strength values should be divided to get allowable strength but first I'm looking for these actual strength values.

Are my below assumptions correct ?
Tensile strength = Yield * 0.5 = 125 MPa
Shear strength = Yield * 0.25 = 125 MPa
Bearing strength = Yield = 250 MPa

Thanks in advance !

 

[JStephen]

In the olden days, you had Allowable STRESS Design (old AISC green books and before). You calculated stress at a section and compared it to allowable stress.
Current version gives you Allowable STRENGTH Design. You calculate forces or moments at a section and compare them to the allowable forces or moments.
If you're using the newer version and want to extract a corresponding stress, take the allowable strength and divide by area or section modulus as appropriate.

 

[r13]

Isn't that all covered in AISC manual - properties of material, strength reduction factors? Get a copy if you don't have one, but need to do design works. Also, in these days, I think yield 50 steel is more readily available than A36 steel though.