High strength material and Low strength Material

[Mohamed ali]

Dear Experts, 

How to classify High strength material and Low strength material, because our client says SA 36 and S 275 JR are high strength material, we have to prove that both of the materials are Low strength material.

If Low strength material - 2.2 certification enough.

please ...

 

 
Thanks & Regards,
 
M A Samsudeen

[MUNHOZ Sergio TECHINT]

You can use as reference AWS D1.1:

 

·         mild steel (yield strength up to 36 ksi [250 MPa])

·         medium-strength steel (yield strength between 36 ksi and 65 ksi [250 MPa and 450 MPa])

·         high-strength steel (yield strength between 65 ksi and 115 ksi [450 MPa and800 MPa])

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