Stainless Steel 316L Flanges and ASTM A182 F316L Blind/ SORF Flange

What is Stainless Steel 316L Flanges?

Stainless Steel 316L Flanges are components, which help in connecting different pipes, valves to different piping systems. The 316L flanges belong to austenitic stainless steel containing an excellent concentration of nickel, chromium, and molybdenum. The low carbon grade is highly resistant to corrosion and pitting due to acids. The grade of flanges is tolerant against chlorides and extreme temperatures in a range of environmental conditions.

A182 F316L Plate Flange Characteristics

Plate flanges are piping components that possess a flat disc, which is welded to a pipe end allowing it to be bolted by another pipe. Some of the characteristics of these modules include:

Enables dissimilar piping components to be matched
Aesthetically appealing due to the serrated inner mating surface
Perfect choice for low and ambient temperature systems
Place saving module due to reduced thickness

UNS S31603 Blind Flange vs WERKSTOFF NR. 1.4404 Socket Weld Flanges

Flanges are components that can be differentiated by their sizes, face, load-bearing capacity, and temperature resistance.

UNS S31603 Blind Flange is a component, which doesn’t have any face or hub. These flanges are designed to withstand high pressures and securely seal the ends of piping systems. They are bolted to the component, which allows the module to be inspected or cleaned.
A WERKSTOFF NR. 1.4404 socket weld flange typically has a raised face that is protruding outside. They are used as alternatives to slip-on and weld neck flanges. A socket weld flange is generally utilized in smaller pipes supplying fluids or gases at low temperatures and pressures.

SS 316L Slip On Flange Uses

Slip on flanges are economic flanges, which are preferred across the piping industry. Slip-on flanges are generally preferred in low-pressure systems or in applications with little risk of spillage. The SS 316L Slip On Flange is commonly seen in air pressure lines, oil and gas processing, cooling tanks, firefighting systems, and so on.

Difference Between 316L Stainless Steel WNRF Flanges and SS 316L Ring Type Joint Flanges

Both WNRF and Ring type joint flanges within this grade are highly versatile components and have more similar properties than differentiating factors. The components can be differentiated on some basic features.

A SS 316L WNFR flange is characterized by a long protruding face. SS 316L ring type joint flanges is metallic ring having grooves cut in the components face.
A WNFR flange is directly welded onto the piping component using a butt-weld. Ring-type joint flanges are bolted using nuts to the piping modules.

EN 1092-2 ASTM A182 F316L Blind Flange and SS 316L Flange manufacturer in India

Table of Content

316L SS Flanges Sizes
ASTM A182 F316L Mechanical Properties
ASTM A182 Gr F316L Chemical Composition
UNS S31603 ASTM Equivalent
316L Flange Price
Stainless Steel 316L Flanges Dimension
316L Stainless Steel Flange Pressure Rating
ASTM 316L Flange Stock
Stainless Steel 316L Forged Flange Specification
Stainless Steel 316L Weld Neck Flange Properties

Stainless Steel 316L Flanges Types
Stainless Steel 316L Pipe Flange Gasket Size Chart
Stainless Steel 316L Flange Torque Chart
SS 316L Flange Weight Chart
ASME SA182 UNS S31603 Weld Neck Flange Testing
Stainless Steel 316L Blind Flange Hardness Hrc
316L Stainless Steel Heat Resistance
Stainless Steel 316L Threaded Flange Thermal Conductivity

Stainless Steel 316L Pipe Flange

Stainless Steel 316L Forged Flange

Stainless Steel 316L Socket Weld Flange

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316L SS Flanges Sizes

Nominal Pipe Size	Outside Diameter of Flange	Thickness of Flange	Diameter of Raised Face	Diameter of Hub at Base	Length Thru Hub			Diameter or Bore		Diameter of Hub at Bevel	Radius of Fillet	Depth of Socket
	Outside Diameter of Flange	Thickness of Flange	Diameter of Raised Face	Diameter of Hub at Base	Welding Neck	Slip-On Threaded Socket	Lap Joint	Slip-on Socket	Lap Joint	Diameter of Hub at Bevel	Radius of Fillet	Depth of Socket
	O	Q	R	X	Y	Y	Y	W	B	H	r	Z
1/2	3-1/2	7/16	1-3/8	1-3/16	1-7/8	5/8	5/8	.88	.90	.84	1/8	3/8
3/4	3-7/8	1/2	1-11/16	1-1/2	2-1/16	5/8	5/8	1.09	1.11	1.05	1/8	7/16
1	4-1/4	9/16	2	1-15/16	2-3/16	11/16	11/16	1.36	1.38	1.32	1/8	1/2
1-1/4	4-5/8	5/8	2-1/2	2-5/16	2-1/4	13/16	13/16	1.70	1.72	1.66	3/16	9/16
1-1/2	5	11/16	2-7/8	2-9/16	2-7/16	7/8	7/8	1.95	1.97	1.90	1/4	5/8
2	6	3/4	3-5/8	3-1/16	2-1/2	1	1	2.44	2.46	2.38	5/16	11/16
2-1/2	7	7/8	4-1/8	3-9/16	2-3/4	1-1/8	1-1/8	2.94	2.97	2.88	5/16	3/4
3	7-1/2	15/16	5	4-1/4	2-3/4	1-3/16	1-3/16	3.57	3.60	3.50	3/8	13/16
3-1/2	8-1/2	15/16	5-1/2	4-13/16	2-13/16	1-1/4	1-1/4	4.07	4.10	4.00	3/8	7/8
4	9	15/16	6-3/16	5-5/16	3	1-5/16	1-5/16	4.57	4.60	4.50	7/16	15/16
5	10	15/16	7.5/16	6-7/16	3-1/2	1-7/16	1-7/16	5.66	5.69	5.56	7/16	15/16
6	11	1	8-1/2	7-9/16	3-1/2	1-9/16	1-9/16	6.72	6.75	6.63	1/2	1-1/16
8	13-1/2	1-1/8	10-5/8	9-11/16	4	1-3/4	1-3/4	8.72	8.75	8.63	1/2	1-1/4
10	16	1-3/16	12-3/4	12	4	1-15/16	1-15/16	10.88	10.92	10.75	1/2	1-5/16
12	19	1-1/4	15	14-3/8	4-1/2	2-3/16	2-3/16	12.88	12.92	12.75	1/2	1-9/16
14	21	1-3/8	16-1/4	15-3/4	5	2-1/4	3-1/8	14.14	14.18	14.00	1/2	1-5/8
16	23-1/2	1-7/16	18-1/2	18	5	2-1/2	3-7/16	16.16	16.19	16.00	1/2	1-3/4
18	25	1-9/16	21	19-7/8	5-1/2	2-11/16	3-13/16	18.18	18.20	18.00	1/2	1-15/16
20	27-1/2	1-11/16	23	22	5-11/16	2-7/8	4-1/16	20.20	20.25	20.00	1/2	2-1/8
24	32	1-7/8	27-1/4	26-1/8	6	3-1/4	4-3/8	24.25	24.25	24.00	1/2	2-1/2

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ASTM A182 F316L Mechanical Properties

Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
8.0 g/cm3	1399 °C (2550 °F)	Psi – 75000 , MPa – 515	Psi – 30000 , MPa – 205	35 %

ASTM A182 Gr F316L Chemical Composition

Grade	C	Mn	Si	P	S	Cr	Mo	Ni	N
SS 316L	0.035 max	2.0 max	1.0 max	0.045 max	0.030 max	16.00 - 18.00	2.00 - 3.00	10.00 - 14.00	68.89 min

UNS S31603 ASTM Equivalent

STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 316L	1.4435	S31603	SUS 316L	316S11 / 316S13	03Ch17N14M3 / 03Ch17N14M2	Z3CND17‐11‐02 / Z3CND18‐14‐03	X2CrNiMo17-12-2 / X2CrNiMo18-14-3

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316L Flange Price

Description	Per Unit (INR)
STAINLESS STEEL FORGED FLANGES 24 150 BLRF 316L	38,839
STAINLESS STEEL FLANGES- FLANGE WNRF 8 CLASS 150, A182 F 316L	9,300
STAINLESS STEEL FLANGES- FLANGE WNRF 10 CLASS 150, A182 F 316L	13,521

Stainless Steel 316L Flanges Dimension

Dimensions: ANSI/ASME B16.5, B16.28, MSS-SP-43.

Standard	Class	Diameter	Bolt Circle Diameter	Number of Bolts	Bolt Size	Diameter of Bolt Hole
AS4087	PN14	95	67	4	M12	14
AS 2129 Flange	Table C	95	67	4	13	14
	Table D	95	67	4	13	14
	Table E	95	67	4	13	14
	Table F	95	67	4	13	14
	Table H	114	83	4	16	17
	Table J	114	83	4	16	17
ANSI B16.5	ANSI 150	89	60	4	13	16
	ANSI 300	95	67	4	13	16
	ANSI 600	95	67	4	13	16
	ANSI 900	121	83	4	19	22
	ANSI 1500	121	83	4	19	22
ISO 7005 (DIN) Flange	PN6	80	55	4	M10	11
	PN10	95	65	4	M12	14
	PN16	95	65	4	M12	14
	PN20	90	60.5	4	M14	16
	PN25	95	65	4	M12	14
	PN40	95	65	4	M12	14

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316L Stainless Steel Flange Pressure Rating

ANSI/ASME B16.34	PRESSURE RATING CHART
Temperature °F	150#	300#	400#	600#	900#	1500#	2500#
-20 to 100	275	720	960	1440	2160	3600	6000
200	230	600	800	1200	1800	3000	5000
300	205	540	720	1080	1620	2700	4500
400	190	495	660	995	1490	2485	4140
500	170	465	620	930	1395	2330	3880
600	140	435	580	875	1310	2185	3640
650	125	430	575	860	1290	2150	3580
700	110	425	565	850	1275	2125	3540
750	95	415	555	830	1245	2075	3460
800	80	405	540	805	1210	2015	3360
850	65	395	530	790	1190	1980	3300
900	50	390	520	780	1165	1945	3240
950	35	380	510	765	1145	1910	3180
1000	20	320	430	640	965	1605	2675
1050	20	310	410	615	925	1545	2570
1100	20	255	345	515	770	1285	2145
1150	20	200	265	400	595	995	1655
1200	20	155	205	310	465	770	1285
1250	20	115	150	225	340	565	945
1300	20	85	115	170	255	430	715
1350	20	60	80	125	185	310	515
1400	20	50	65	95	145	240	400
1450	15	35	45	70	105	170	285
1500	10	25	35	55	80	135	230

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ASTM 316L Flange Stock

Stainless Steel 316L Flanges	Stainless Steel 316L EN 1092-1 Flanges
SS 316L Weld Neck Flanges	SS 316L Socket weld Flanges
SS 316L Long Weld Neck Flanges	Steel 316L Threaded Flanges
Stainless Steel SUS 316L Reducing Flanges	SS 316L Ring Type Joint Flanges
Stainless Steel DIN 1.4435 Orifice Flanges	Stainless Steel BS 316S11 Spectacle Blind Flanges
Stainless Steel 316L BS 4504 Flanges	Stainless Steel 316L Forged Flanges
Stainless Steel UNS S31603 Flanges	Stainless Steel 316L Slip on Flanges
SS 316L Flat Flanges	ANSI 316L Stainless Steel Blind Flanges
Stainless Steel 316L WNRF Flanges	Stainless 316L SORF Flanges
A182 SS 316L Square Flanges	ASME SA182M SS 316L SWRF Flanges

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Stainless Steel 316L Forged Flange Specification

Specifications List	ASTM A182 / ASME SA182
Class / Pressure Rating	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Size Chart	1/2″ (15 NB) to 48″ (1200NB)
ASTM Standards	ANSI/ASME B16.5, B16.48, BS4504, B 16.47 Series A & B, BS 10, EN-1092, DIN, etc.
Standard Flange	ANSI, ASME, BS, DIN, EN etc.

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Stainless Steel 316L Weld Neck Flange Properties

Density	8.0 g/cm3
Melting Point	1400 °C (2550 °F)
Tensile Strength	Psi – 75000 , MPa – 515
Yield Strength (0.2%Offset)	Psi – 30000 , MPa – 205
Elongation	35 %

Stainless Steel 316L Flanges Types

Stainless Steel 316L Slip On Flange

SS 316L Flange

Stainless Steel 316L Weld Neck Flange

ASME SA182 UNS S31603 Slip On Flange

Stainless Steel Flange 316L

Stainless Steel 316L Flanges

316L SS Flanges

Stainless Steel 316L Blind Flange

316L SS Flange

ASTM 316L Flange

ASTM A182 F316L

JIS 10k Flange 316L Stainless Steel Flat Welding Plate Flanges

DIN Pn16 Stainless Steel 316L Flange Ansi B16.5 Flat Face Flange

DIN Pn16 Stainless Steel 316L Ansi B16.5 Flat Face Flanges

6 Inch Class 600 Material 316L WN Rf Stainless Steel Flanges

Spectacle Blind Flange 300lb Stainless Steel 316L

Spectacle Blind Flanges 300lb Stainless Steel 316L

ASME B16.5 Stainless Steel 316L Blind Flanges

Stainless Steel 316L Threaded Flange

DN100 Stainless Steel 316L Pn-16 Long Weldneck Flanges

Stainless Steel 316L Pipe Flange Gasket Size Chart

Normal Pipe Size	Gasket I.D. (Inside Daimeter)	Gasket O.D. (Outside Daimeter)
Normal Pipe Size	Gasket I.D. (Inside Daimeter)	150 LB	300 LB	400 LB	600 LB	900 LB
1/2	0.84	1.875	2.125	2.125	2.125	2.50
3/4	1.06	2.25	2.625	2.625	2.625	2.75
1	1.31	2.625	2.875	2.875	2.875	3.125
1 1/4	1.66	3	3.25	3.25	3.25	3.50
1 1/2	1.91	3.375	3.75	3.75	3.75	3.875
2	2.38	4.125	4.375	4.375	4.375	5.625
2 1/2	2.88	4.875	5.125	5.125	5.125	6.50
3	3.50	5.375	5.875	5.875	5.875	6.625
4	4.50	6.875	7.125	7.00	7.625	8.125
5	5.56	7.75	8.50	8.375	9.50	9.75
6	6.62	8.75	9.875	9.75	10.50	11.375
8	8.62	11	12.125	12.00	12.625	14.125
10	10.75	13.375	14.25	14.125	15.75	17.125
12	12.75	16.125	16.625	16.50	18.00	19.625

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Stainless Steel 316L Slip On Flange Tolerance

Stainless Steel 316 Flanges		Tolerance Table
A	O.D. (Outside Diameter)	When O.D. (Outside Diameter) is 24" or less: ±1/16" (1.6 millimeter) When O.D. (Outside Diameter) is over 24": ±1/8" (3.2 millimeter)
D	Inside Diameter (I.D.)	10" and smaller: ±1/32" (0.8 mm) 12" thru 18": +1/8" (3.2 mm) 20" and larger: -1/16" (1.6 mm)
B	Diameter of contact face	1/16" raised face: ±1/32" (0.8 mm) 1/4" RF (Raised Face), T/G (Tongue & Groove), (male & female), (m/f): ±1/64" (0.4 millimeter)
J	Diameter of hub at base	When hub base is 24" or smaller: ±1/16" (1.6 millimeter) When hub base is over 24": ±1/8" (3.2 millimeter)
H	Diameter of hub at point of welding	5" and smaller: +3/32" (2.4 mm), -1/32" (0.8 mm) 6" and larger: +5/32" (4.0 mm), -1/32 (0.8 mm)
P	Drilling	Circle Bolts: ±1/16" (1.6 mm) Bolts hole spacing: ±1/32" (0.8 mm)
	Eccentricity of bolt circle with respect to facing	2 1/2" and smaller ±1/32" (0.8 mm) maximum 3" and larger ±1/16" (1.6 mm) maximum
C	Thickness	18" and smaller: ±1/8" (3.2 mm), -0" 20" and larger: ±3/16" (4.8 mm), -0"
K	Length of hub	10" and smaller: ±1/16" (1.6 mm) 12" and larger: ±1/8" (3.2 mm)

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SS 316L Flange Weight Chart

Pipe Normal Diam.		O.D. Flange	Thk. Of Flange Min	Diam. of Hub	Diameter of Raised Face	Length Hub.Y	Thread Length	Diam. of Bolt Circle	Diam. of Bolt Holes	Number of Bolts	Diam. of Bolts (inch)	KG	LB
inch	dn	O	C	X	G	Y	T	BC	BH	BN	BD
1/2"	15	89.00	11.20	30.20	35.10	15.70	15.70	60.50	15.80	4	1/2"	0.4	0.9
3/4"	20	98.50	12.70	38.10	42.90	15.70	15.70	69.90	15.80	4	1/2"	0.7	1.5
1"	25	108.00	14.20	49.30	50.80	17.50	17.50	79.30	15.80	4	1/2"	0.8	1.8
1-1/4"	32	117.50	15.70	58.70	63.50	20.60	20.60	88.90	15.80	4	1/2"	1.2	2.6
1-1/2"	40	127.00	17.50	65.00	73.20	22.40	22.40	98.60	15.80	4	1/2"	1.5	3.3
2"	50	152.50	19.10	77.70	91.90	25.40	25.40	120.70	19.10	4	5/8"	2.3	5.1
2-1/2"	65	178.00	22.40	90.40	104.60	28.40	28.40	139.70	19.10	4	5/8"	3.7	8.1
3"	80	190.50	23.90	108.00	127.00	30.20	30.20	152.40	19.10	4	5/8"	4.1	9
3-1/2"	90	216.00	23.90	122.20	139.70	31.80	31.80	177.80	19.10	8	5/8"	5.1	11.2
4"	100	228.50	23.90	134.90	157.20	33.30	33.30	190.50	19.10	8	5/8"	5.9	13
5"	125	254.00	23.90	163.60	185.70	36.60	36.60	215.90	22.40	8	3/4"	7	15.4
6"	150	279.50	25.40	192.00	215.90	39.60	39.60	241.30	22.40	8	3/4"	8.4	18.5
8"	200	343.00	28.40	246.10	269.70	44.50	44.50	298.50	22.40	8	3/4"	13	28.6
10"	250	406.50	30.20	304.80	323.90	49.30	49.30	362.00	25.40	12	7/8"	18	39.5
12"	300	482.50	31.80	365.30	381.00	55.60	55.60	431.80	25.40	12	7/8"	29	64
14"	350	533.50	35.10	400.10	412.80	57.20	57.20	476.30	28.50	12	1"	39	86
16"	400	597.00	36.60	457.20	469.90	63.50	63.50	539.80	28.50	16	1"	47	103
18"	450	635.00	39.60	505.00	533.40	68.30	68.30	577.90	31.80	16	1 1/8"	57	126
20"	500	698.50	42.90	558.80	584.20	73.20	73.20	635.00	31.80	20	1 1/8"	76	167
24"	600	813.00	47.80	663.40	692.20	82.60	82.60	749.30	35.10	20	1 1/4"	97	214

ASME SA182 UNS S31603 Weld Neck Flange Testing

Mechanical test
Flaring test
Macro/micro test
Chemical analysis
Ultrasonic test

Fumigation certificate
NABL approved lab test reports
Raw material traceability records
Guarantee letter
Heat treatment charts

Stainless Steel 316L Blind Flange Hardness Hrc

316L stainless steel has an elongation of 40%, a hardness of 217 on the Brinell scale and a 95 on the Rockwell B scale.

316L Stainless Steel Heat Resistance

Stainless Steel 316L Socket Weld Flange has good oxidation resistance in intermittent service up to 1600°F and in continuous service to 1700°F.

Stainless Steel 316L Threaded Flange Thermal Conductivity

Thermal Conductivity	16.3	W.m -1.°K-1
Thermal Expansion	15.9	μm/μm/°C