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Português Translations » 【静设备】 » Na norma NB/T47020-2012, qual é o tipo de desbaste do flange

Na norma NB/T47020-2012, qual é o tipo de desbaste do flange de solda de topo com gargalo alto?

2017-07-15View Original

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Na norma NB/T47020-2012, página 16, Figura 1, por que o tipo de desbaste de espessura média na página 325 do GB/T150.4-2011 não é usado ao acoplar ao cilindro? Em vez disso, use uma versão mais fina que retenha a diferença de espessura de 3 mm?
Reply #22017-07-15
Está relacionado à tensão no pescoço do flange? Espere que Deus responda
Reply #32017-07-15
Não enfraquece a resistência da seção de borda reta do flange

Translated at 2026-08-04 15:52:10

Original: https://bbs.hcbbs.com/thread-1805552-1-1.html

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