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Re: [MW:36172] Required details of the equivalent ASME Grade for EN1.4306 or EN1.4307

By Materials & Welding

 EN no.

        EN design.

      Common name

      Closest ASME/

   ASTM grade

Key distinction

1.4306

       X2CrNi19-11

             304L 

       SA-240 Type 304L

          Higher Cr/Ni than 1.4307; very low C

1.4307

       X2CrNi18-9

             304L

       SA-240 Type 304L

          Standard 304L composition

 

Sridhar.


On Wed, 30 Sept 2026 at 16:15, Bhavani Prasad Emani <emanibhavani@gmail.com> wrote:
Hi,
Both EN 1.4306 (X2CrNi19-11) and EN 1.4307 (X2CrNi18-9) are commonly cross-referenced to ASME/ASTM Type 304L, UNS S30403. Grade equivalence alone does not establish ASME Code compliance: the applicable specification depends on the product form. For example, plate, sheet, or strip may use SA-240 Type 304L, while pipe may use SA-312 TP304L. Verify the material against the specification and Code edition required for the application.
Thanking you,

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On Wednesday, September 30, 2026 at 10:37:08 AM GMT+5:30, dham...@gmail.com <dhamtech@gmail.com> wrote:


Hello Team,

Request to provide details of the equivalent ASME Grade for EN1.4306 or EN1.4307.
Also i had try to down EN specification from the authorized portal but unable to find the mother specification for these grades. 

Thanks & Regards,
Dharmesh Mistry

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