Boiler and pipe fittings pressure casting steel technical conditions, technical requirements

Boiler and pipe fittings pressure casting steel technical conditions, technical requirements

Nominal pressure P N MPa	Working pressure MPa	Operating temperature t ℃	Test pressure P S MPa
4.0	-	-	6.0
6.3	-	-	9.5
10.0	-	-	15.0
20.0	-	-	30.0
25.0	-	-	38.0
32.0	-	-	48.0
	3.92	540	11.8
	3.92	570	16.7
	9.8	510	26.5
	9.8	540	29.4
	13.7	540	29.2
	13.7	570	54.9
	16.7	540	57.1
	16.7	570	61.8

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