ASME B16.5 A182 F316L WNRF Flange DN500 SCH100 Class900

Chemical Composition and Mechanical Property for 316L
Steel Grade	Chemical Composition									Mechanical Performance
	C(Max)	Si(Max)	Mn(Max)	P(Max)	S(Max)	Ni	Cr	N(Max)	Mo	Tensile Strength (Min)	Yield Strength (Min)
										Mpa	Mpa
316L	0.03	0.75	2.00	0.045	0.03	10.0–14.0	16.0–18.0	0.1	2.00–3.00	485	170

Dimensions of ANSI/ASME B16.5 Class 900 Weld Neck Flange

Size in Inch	Size in mm	Outer Diameter	Flange Thickness	Hub OD	Weld Neck OD	Welding Neck Length	Bore	RF Diameter	RF Height	PCD	Weld Face
		A	B	C	D	E	F	G	H	I	J
1/2	15	120	22.3	38	21.3	60	Refer Note	34.9	7	82.6	1.6
3/4	20	130	25.4	44	26.7	70		42.9	7	88.9	1.6
1	25	150	28.6	52	33.4	73		50.8	7	101.6	1.6
1 1/4	32	160	28.6	64	42.2	73		63.5	7	111.1	1.6
1 1/2	40	180	31.8	70	48.3	83		73	7	123.8	1.6
2	50	215	38.1	105	60.3	102		92.1	7	165.1	1.6
2 1/2	65	245	41.3	124	73	105		104.8	7	190.5	1.6
3	80	265	47.7	133	88.9	117		127	7	203.2	1.6
4	100	310	54	162	114.3	124		157.2	7	241.3	1.6
5	125	375	73.1	197	141.3	156		185.7	7	292.1	1.6
6	150	395	82.6	229	168.3	171		215.9	7	317.5	1.6
8	200	485	92.1	292	219.1	213		269.9	7	393.7	1.6
10	250	585	108	368	273	254		323.8	7	482.6	1.6
12	300	675	123.9	451	323.8	283		381	7	571.5	1.6
14	350	750	133.4	495	355.6	298		412.8	7	635	1.6
16	400	825	146.1	552	406.4	311		469.9	7	704.8	1.6
18	450	915	162	597	457	327		533.4	7	774.7	1.6
20	500	985	177.8	641	508	356		584.2	7	831.8	1.6
24	600	1170	203.2	762	610	406		692.2	7	990.6	1.6

Note: Welding Neck bore is derived from the pipe schedule

This method is used for detection of welding discontinuities (material discontinuities) appearing on the surface of a welded connector. This test is done following a visual testing of a welded connector and used mainly for both ferromagnetic and non-ferromagnetic materials.

PT – PENETRATION TESTING

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