All Questions
8
questions
0
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58
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Conflicting steel strength Vs temperature graphs, NIST NCSTAR vs Engineering Toolbox
This graph is from NIST NCSTAR 1-6C
And this graph is from the Engineering Toolbox.
As you can see, neither the NIST yield or tensile curves match with the ET structural steel curve. Why? And which ...
1
vote
1
answer
874
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How to estimate the tensile strength of inch diameter steel round?
The tensile strength for 1045 TGP Precision Steel Round is said to be 91 ksi. Although, different diameters must be a factor, right? Would a 1" diameter rod be 104.5 ksi or 1045 ksi?
Say I want ...
- 111
2
votes
4
answers
136
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Which post would be stronger?
Just a quick question for you. Well hopefully.
A contractor has installed a retaining wall with colorbond fence on top. In the contract he stipulated that he would use 65mm x 65mm x 1.6mm powder ...
- 21
5
votes
2
answers
9k
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Calculating shaft diameter
I'm designing a circular shaft that's going to carry a spread radial load of about 200kg and also transmit a 160Nm torque. I'm not very familiar with materials but what I'm guessing I'll be able to ...
- 193
0
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2
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2k
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Is a 1/8" AR400F steel plate strong enough, for 4,000 lbs?
I have a Ford F350 cab & chassis and a gooseneck trailer. For the gooseneck hitch I want to use a steel plate.
The steel plate will be BOLTED to the frame, above the rear axle And the gooseneck ...
- 3
1
vote
1
answer
838
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With which parameter can you specify whether a metal is ductile or brittle
I have to do a durability approval of feather key (shaft-hub connection) and the formulas are dependent if the shaft respectively the hub is ductile or brittle.
But what is the decision about to say ...
- 218
6
votes
3
answers
11k
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How does the strength of a square tube depend on the side size?
There are two square tubes of the same length, material and wall thickness, one being 40x40mm, the other 20x20mm. How does their strength against bending compare?
On the one hand, the cross-sectional ...
- 211
1
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0
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1k
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Cement-Filled 6" PVC Bollard [closed]
My next door neighbor's car backed into my wooden fence and knocked down a section. I want to protect the fence from a future accident. A steel pipe filled with concrete would cost more than PVC. A ...
