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rajeshpassi
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Join Date: Jul 2009
Location: India (mumbai)
Posts: 28

welding

12/30/2009 2:55 AM

Mechanical Properties U.T.S. -555 N/mm2 El. - 37.50 % (L=4d) what is (L=4d) means in this

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Anonymous Poster
#1

Re: welding

12/30/2009 3:11 AM

That means the gage length of the test specimen is 4x the diameter:

(one) Standard Test Method:

ASTM E8/E8M-08 Standard Test Methods for Tension Testing of Metallic Materials

....."1.2 The gage lengths for most round specimens are required to be 4D for E 8....."
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rajeshpassi
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Location: India (mumbai)
Posts: 28
#2

Re: welding

12/30/2009 3:15 AM

thank you sir for that information.

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