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The use grade 350W steel

The use grade 350W steel

The use grade 350W steel

(OP)
I am working on a proposal to move from grade 300W to grade 350W steel as a general purpose steel in my country.There are counties that have upgraded their general prupose steel and I need help on literature with regards to high perfomance steels and considerations when such moves were done.

Thanking you in advance for your responses.

Aubrey

RE: The use grade 350W steel

In Canada, 350W steel is common... a bit of a hiccup on one of my earlier projects; some steel sections that are Class 1 in 300W are now class 2 in 350W... and can't be used for plastic design.  Problem comes from consideration of alternating load patterns.

RE: The use grade 350W steel

(OP)
Thank you dik & dbuzz for your help.

RE: The use grade 350W steel

Aubrey,

Bear in mind that, high strength steels are OK as long as `stress` is your design criteria and usually associated with `shorter` beams. If `deflection` is critical, usual on `longer` beams, then using a high strength steel will make no difference, as `E` (young's modulus of elasticity) is virtually the same regardless of strength.

Regards,
Neilmo  

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