ANSI

ANSI

CLASS 600 FLANGES

ANSI B16.5 FORGED FLANGES

Unit:mm

Nominal Pipe Size	Outside Diam	Diam.of Base of Hub	O.D.of Raised face	Thickness	BORE				LENGTH			Diam. of Hub of Bevel	Radius of Fillet	Thread Length
					Welding Neck Socket Welding	Slip-on Socket Welding	Lap Joint	Counter Bore Min. Thread Min.	Welding Neck	Slip-on Threaded Socket Welding	Lap Joint
	D	X	G	I	B1	B2	B3	B	T1	T2	T3	A	R	O
1/2 3/4 1	95 117 124	38.1 47.8 53.8	35.1 42.9 50.8	14.2 15.7 17.5		22.4 27.7 34.5	22.9 28.2 35.1	23.6 29.0 35.8	52.3 57.2 62.0	22.4 25.4 26.9	22.4 25.4 26.9	21.3 26.7 33.5	3.0 3.0 3.0	15.7 15.7 15.7
11/4 11/2 2	133 155 165	63.5 69.9 84.1	63.5 73.2 91.9	20.6 22.4 25.4		43.2 49.5 62.0	43.7 50.0 62.5	44.5 50.5 63.5	66.5 69.9 73.2	28.4 31.8 36.6	28.4 31.8 36.6	42.2 48.3 60.5	4.8 6.4 7.9	20.6 22.4 28.4
21/2 3 31/2	191 210 229	100.1 117.3 133.4	104.6 127.0 139.7	28.4 31.8 35.1		72.7 90.7 103.4	75.4 91.4 104.1	76.2 92.2 104.9	79.2 82.6 85.9	41.1 46.0 49.3	41.1 46.0 49.3	73.2 88.9 101.6	7.9 9.7 9.7	31.8 35.1 39.6
4 5 6	273 330 356	152.4 189.0 222.3	157.2 185.7 215.9	38.1 44.5 47.8		116.1 143.8 170.7	116.8 144.5 171.5	117.6 144.5 171.5	101.6 114.3 117.3	53.8 60.5 66.5	53.8 60.5 66.5	114.3 141.2 168.4	11.2 11.2 12.7	41.1 47.8 50.8
8 10 12	419 508 559	273.1 342.9 400.1	269.7 323.9 381.0	55.6 63.5 66.45		221.5 276.4 327.2	222.3 277.4 328.2	222.3 276.4 328.7	133.4 152.4 155.4	76.2 85.9 91.9	76.2 111.3 117.3	219.2 273.1 323.9	12.7 12.7 12.7	57.2 65.0 69.9
14 16 18	603 686 743	431.8 495.3 546.1	412.8 469.9 533.4	69.9 76.2 82.6		359.2 410.5 461.8	360.2 411.2 462.3	360.4 411.2 462.0	165.1 177.8 184.2	93.7 106.4 117.3	127.0 139.7 152.4	355.6 406.6 457.2	12.7 12.7 12.7	73.2 77.7 79.2
20 24	813 940	609.6 717.6	584.2 692.2	88.9 101.6		513.1 616.0	514.4 616.0	512.8 614.4	190.5 203.2	127.0 139.7	165.1 184.2	508.0 609.6	12.7 12.7	82.6 91.9

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