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I am working with a very old British Drawing. What is the ultimate tensile strength describle below? See attached British Standard document. Is it 150000 lbs/in[suP]2 ? [/suP]

75 Tonf/in[suP]2[/suP]

Thanks,
BHazlet
 

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BHAZLET wrote:
I am working with a very old British Drawing. What is the ultimate tensile strength describle below? See attached British Standard document. Is it 150000 lbs/in[sup]2 ? [/sup]

75 Tonf/in[sup]2 [/sup]...
> "Tonf" = 2,240 lb
Source: http://www.lcmsystems.com/conversion_factors.html

In which case, (75 Tonf/in^2) x (2,240lb/Tonf) = 168,000 lb/in2, or 168,000 psi




 

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Tonf is a "long ton" of 2240 lb.. Alex's post is correct.
 

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BHAZLET wrote:
Your link does nothing. Please check again.

Is this a metric ton? See attachment.
> Same answer as before, but with different link/source:
http://convert-to.com/481/force-units.html


"Tonf" = Ton Force Long UK <<<eg A Ton used as Force
= 2,240 pound-force (lbf)


Hence:
(75 Tonf/in^2) x (2,240lb/Tonf) = 168,000 lb/in^2, or 168,000 psi
 

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BHAZLET wrote:
Your link does nothing. Please check again.

Is this a metric ton? See attachment.
What you want in Convert is "ton (long)".
 

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