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ASTM A515 GR. 70

ASTM A515 GR. 70

ASTM A515 GR. 70

(OP)
Grettings everyone.
I would like to know if some can bring me some information about this material, mechanical properties, chemical composition and the kind of applications in vessel pressures.
Something like tha range of pressure, temperature and conditions, where I should use this plate steel material.

Thank you.
I will appreciate your help.

RE: ASTM A515 GR. 70


Are you talking about A-516 Grade 70?

RE: ASTM A515 GR. 70

.........and the allowable pressure and temperature depend upon the diameter and wall thickness of your pressure vessel as that will affect the stress in the material (note the ASME Code allowable stresses).  In addition, any openings in the vessel (and their reinforcement) MUST be designed by a MECHANICAL ENGINEER  (and you do not sound like you are one).

RE: ASTM A515 GR. 70

A-515 Gr 70 has a 70 ksi to 90 ksi (485 MPa to 620 MPa)
ultimate tensile strength. The minimum yield strength is 38 ksi(260 MPa. Plates over 2" thick must be normalized. The steel shall be silicon killed (fully deoxidized) and made to coarse grain size practice.

A-515 is preferred for use at operating temperatures above 650 F. It is not recommended for use in low temperature applications.

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