How should I choose the supply status for the main stressed components?
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Are there any standards, or is it based on experience?
Refer to HG/T20581-2011
Thank you. By the way, when should the impact test be carried out and indicated on the drawings?
Material standards (such as GB 713, GB 9948, etc.) and GB 150.2 all specify requirements for the impact testing of materials. If requirements higher than those specified are desired (such as an increased impact energy, a lower testing temperature, or other requirements), they should be indicated in the drawings.
GB design 1: Required by the customer; 2: Low-temperature vessel; 3: Material required by standards. ASME design 1: Required by the customer; 2: Material required for impact testing based on calculations
GB/T150.2-2011 also has relevant requirements.