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oversize material undergoes further grinding

ASTM A335 P2 material this material is 24 mm 78 in thickness Found in ASTM A335 P2 has a P for welding which is 3 P3 found in ASME section IX Now go back to ASME B313 to table 33011 Preheat requirements for a P3 material the recommended preheat is 79C 175F

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