ASME B16.5 ASTM A182 F316L Long Welding Neck Flange 1 Inch Class 150

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

Long Welding Neck Flange, ANSI CLASS 150, ASME B16.5, RAISED FACE (IN)

Dimensions to ASME B16.5 – Pipe Flanges and Flanged Fittings: NPS 1/2 through NPS 24 Metric/Inch Standard
Bolt circle diameters are 1/8 inch larger than bolt diameter.
Connection complies with ASME BPVC Section II, Section VIII Division 1 and ASTM A105.
Angle “AA” is 30° per Section VIII Division 1.
Angle “AA” is 45° per Section VIII Division 2.

Pipe Size (NPS)	Outside Diameter of Flange A	Diameter of Raised Face B	Thickness of Flange C	Diameter of Bore D	Diameter of Hub at Base J	Length of Hub K	Nunber of Bolt Holes	Diamete of Bolt Holes	Bolt Circle Diameter P	Approx. Weight
1/2	3 1/2	1 3/8	7/16	0.50	1 1/4	9	4	5/8	2 3/8	3
3/4	3 7/8	1 11/16	1/2	0.75	1 5/8	9	4	5/8	2 3/4	5
1	4 1/4	2	9/16	1.00	2	9	4	5/8	3 1/8	8
1 1/4	4 5/8	2 1/2	5/8	1.25	2 3/8	9	4	5/8	3 1/2	10
1 1/2	5	2 7/8	11/16	1.50	2 5/8	9	4	5/8	3 7/8	12
2	6	3 5/8	3/4	2.00	3 1/4	9	4	3/4	4 3/4	16
2 1/2	7	4 1/8	7/8	2.50	3 3/4	9	4	3/4	5 1/2	21
3	7 1/2	5	15/16	3.00	4 1/4	9	4	3/4	6	24
3 1/2	8 1/2	5 1/2	15/16	3.60	4 7/8	9	8	3/4	7	31
4	9	6 3/16	15/16	4.00	5 1/2	12	8	3/4	7 1/2	47
5	10	7 5/16	15/16	5.00	6 1/2	12	8	7/8	8 1/2	57
6	11	8 1/2	1	6.00	7 3/4	12	8	7/8	9 1/2	77
8	13 1/2	10 5/8	1 1/8	8.00	9 3/4	12	8	7/8	11 3/4	103
10	16	12 3/4	1 3/16	10.00	12	12	12	1	14 1/4	150
12	19	15	1 1/4	12.00	14 3/8	12	12	1	17	215
14	21	16 1/4	1 3/8	14.00	16	12	12	1 1/8	18 3/4	221
16	23 1/2	18 1/2	1 7/16	16.00	18	12	16	1 1/8	21 1/4	254
18	25	21	1 9/16	18.00	20	12	16	1 1/4	22 3/4	276
20	27 1/2	23	1 11/16	20.00	22	12	20	1 1/4	25	324
22	–	–	–	–	–	–	–	–	–	–
24	32	27 1/4	1 7/8	24.00	26 1/4	12	20	1 3/8	29 1/2	439

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