Dear syed,
ASTM 193 B 7 M IS FOR CARBON AND ALLOY STEEL HIGH TEMPRATURE AND HIGH PRESSURE AND ASTM 320 L7M FOR ALLOY STEEL FOR LOW TEMPRATURE . IN THE ASTM 320 THERE IS A REQUIREMENT OF IMPACT TESTING FOR THE MATERIAL. ALSO FIND THE ATTACHED COPY FROM THE SPECIFICATION.
With Kind Regards,
Chandrakant Yadav
MANAGER QA/QC
With Kind Regards,
Chandrakant Yadav
MANAGER QA/QC
LINDE PROCESS PLANT (SOUTH AFRICA)
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