Stainless Steel 316 Pipe Fittings

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Stainless Steel 316 Pipe Fittings Specification Chart Stainless Steel 316 buttweld Fittings Chemical Composition Standard ASTM A403 Wp316 Elbow Mechanical Strength Stainless Steel 316 Weld Fittings Physical Properties Stainless Steel 316 Fittings Equivalent Grade Standard of A403 WP316 Fittings ASTM A403 WP316 Fittings Size Dimensions of A403 Grade WP 316 Fittings SS 316 Elbow and Returns Dimensions ASME SA403 Gr WP316 Stainless Steel Reducers Dimensions 316 SS 3D Bend tolerance Chart 316 Stainless Steel 90 Degree Elbow Weight Features of SS 316 Pipe Fittings Mean Coefficient of Thermal Expansion 316 Stainless Steel Fittings SS 316 Buttweld Fittings Corrosion Resistance

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Stainless Steel 316 Pipe Fittings in Detail

Specification

Features & Applications

Features of SS 316 Pipe Fittings

Corrosion Resistant Properties
Marine Applications
Lasting Durability

Technical Data

Full Specifications

›Technical Data

Stainless Steel 316 Pipe Fittings Specification Chart

Specifications	ASTM A403
size	Seamless Fittings: 1/2" - 10" / Welded Fittings: 1/2" - 48"
Size Range	½" NB to 24" NB in Sch 10s, 80s, 40s, 160s, XXS.
Dimensions	BS1560, ASME/ANSI B16.9, MSS-SP-43, BS4504, ASME B16.28, BS4504, BS10
Type	DN15-DN1200
Connection	Welding
Manufacturing process	Press, Push, Forge, Cast, etc.
Test Certificates	100% Radiography Test Report / EN 10204/3.1B / Third Party Inspection Report / Raw Materials Certificate etc
Thickness	SCH 140, SCH30, SCH10, SCH 120, SCH60, XS, SCH 80, SCH 100, SCH 160, STD SCH40, SCH20, XXS
Bending Radius	R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom MSS Sp-43
Elbows	Angle : 22.5 deg, 45 deg, 90 deg, 3D, 30deg, 5D, 180 deg, 1.5D, 2.0D, 1.0D, 2.5D, 4D, 6D, 7D-40D . / Standard: BS, ASME B16.9, ASME B16.25, ASME B16.28, MSS SP-75 DIN2605 JISB2311 JISB2312 JISB2313, GB, ISO
Origin & Mills	Korean, Japanese, USA, European, Indian, Ukraine, Russian
Export to	Oman, USA, Peru, Dubai, Singapore, Korea, Iran, Ireland, Egypt, India, Brazil, Thailand, Indonesia, Ukraine, Saudi Arabia, Spain, Canada etc
Specialized manufacturer of	Stub End, 90º Elbows, Crosses, Reducers, 45º Elbows, Pipe Cap, Tees, Pipe Bend

Stainless Steel 316 Weld Fittings Physical Properties

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col_1	col_2	col_3	col_4	col_5	col_6	col_7	col_8	col_9	col_10
Grade	Density / (kg/m3)	Elastic Modulus / (GPa)	Mean Co-eff of Thermal Expansion (µm/m/°C)	Mean Co-eff of Thermal Expansion (µm/m/°C)	Mean Co-eff of Thermal Expansion (µm/m/°C)	Thermal Conductivity / (W/m.K)	Thermal Conductivity / (W/m.K)	Specific Heat 0-100°C / (J/kg.K)	Elec Resistivity / (nΩ.m)
Grade	Density / (kg/m3)	Elastic Modulus / (GPa)	0-100°C	0-315°C	0-538°C	At 100°C	At 500°C	Specific Heat 0-100°C / (J/kg.K)	Elec Resistivity / (nΩ.m)
316	8000	193	15.9	16.2	17.5	16.3	21.5	500	740

Standard of A403 WP316 Fittings

Standard	Description
ASTM A403/ ASTM A403M	Wrought austenitic SS piping fitting.
ASTM A815/ ASTM A815M	ferritic/austenitic, Wrought ferritic, and martensitic SS piping fitting.
ANSI/ASME B1.20.1	Pipe threads, general purpose (inch).
ANSI B16.9	Factory-made wrought steel butt-welding fitting.
ANSI B16.11	Forged socket-welding and threaded.
ANSI B16.25	Butt-welding ends.
MSS SP43	Wrought SS butt-welding fitting. / Fabricated and Wrought Butt-Welding fitting for Corrosion Resistant, Low Pressure Applications
BS21	Threading.

ASTM A403 WP316 Fittings Size

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Nominal / Pipe / Size	Outside / Diameter	Outside / Diameter_2	90° Elbows	90° Elbows_2	45° Elbows	45° Elbows_2	180° Returns	180° Returns_2
(inches)			Long Radius	Short Radius	Long Radius	Long Radius	Long Radius	Long Radius
	(mm)	(inches)	Center to Face / (inches)	Center to Face / (inches)	Center to Face / (inches)	Radius / (inches)	Center to Center / (inches)	Back to face / (inches)
1/2	21.3	0.840	1 1/2	–	5/8		2	1 7/8
3/4	26.7	1.050	1 1/8	–	7/16		2 1/4	1 11/16
1	33.4	1.315	1 1/2	1	7/8		3	2 3/16
1 1/4	42.2	1.660	1 7/8	1 1/4	1		3 3/4	2 3/4
1 1/2	48.3	1.900	2 1/4	1 1/2	1 1/8	3	4 1/2	3 1/4
2	60.3	2.375	3	2	1 3/8	4	6	4 3/16
2 1/2	73.0	2.875	3 3/4	2 1/2	1 3/4	5	7 1/2	5 3/16
3	88.9	3.500	4 1/2	3	2	6	9	6 1/4
3 1/2	101.6	4.000	5 1/4	3 1/2	2 1/4	7	10 1/2	7 1/4
4	114.3	4.500	6	4	2 1/2	8	12	8 1/4
5	141.3	5.563	7 1/2	5	3 1/8	10	15	10 5/16
6	168.3	6.625	9	6	3 3/4	12	18	12 5/16
8	219.1	8.625	12	8	5	12	24	16 5/16
10	273.1	10.750	15	10	6 1/4	15	30	20 3/8
12	323.9	12.750	18	12	7 1/2	18	36	24 3/8

Mean Coefficient of Thermal Expansion 316 Stainless Steel Fittings

Temperature Range	Temperature Range_2	col_3	col_4
°F	°C	in/in °F	cm/cm °C
68-212	20-100	9.2 x 10-6	16.6 x 10-6
68-932	20-500	10.1 x 10-6	18.2 x 10-6
68-1832	20-1000	10.8 x 10-6	19.4 x 10-6

SS 316 Buttweld Fittings Corrosion Resistance

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col_1	Composition (Weight Percent)	Composition (Weight Percent)_2	Composition (Weight Percent)_3	col_5	CCT2	CPT3
ALLOY	Cr	Mo	N	PREN1	°F (°C)	°F (°C)
Type 316	16.5	2.1	0.05	24.2	27.5 / (-2.5)	59 / (15.0)

›Material Properties

Stainless Steel 316 buttweld Fittings Chemical Composition Standard

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Grade	C	Mn	Si	P	S	Cr	Mo	Ni	Fe
SS 316	0.08 max	2.0 max	1.0 max	0.045 max	0.030 max	16.00 – 18.00	2.00 – 3.00	11.00 – 14.00	67.845 min

ASTM A403 Wp316 Elbow Mechanical Strength

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

Stainless Steel 316 Fittings Equivalent Grade

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STANDARD	WERKSTOFF NR.	UNS	JIS	BS	GOST	AFNOR	EN
SS 316	1.4401 / 1.4436	S31600	SUS 316	316S31 / 316S33	–	Z7CND17‐11‐02	X5CrNiMo17-12-2 / X3CrNiMo17-13-3

›Dimensions & Weight

Dimensions of A403 Grade WP 316 Fittings

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Nominal / Pipe / Size	Outside / Diameter	Outside / Diameter_2	90° Elbows	90° Elbows_2	45° Elbows	45° Elbows_2	180° Returns	180° Returns_2
(inches)			Long Radius	Short Radius	Long Radius	Long Radius	Long Radius	Long Radius
	(mm)	(inches)	Center to Face / (inches)	Center to Face / (inches)	Center to Face / (inches)	Radius / (inches)	Center to Center / (inches)	Back to face / (inches)
1/2	21.3	0.840	1 1/2	–	5/8		2	1 7/8
3/4	26.7	1.050	1 1/8	–	7/16		2 1/4	1 11/16
1	33.4	1.315	1 1/2	1	7/8		3	2 3/16
1 1/4	42.2	1.660	1 7/8	1 1/4	1		3 3/4	2 3/4
1 1/2	48.3	1.900	2 1/4	1 1/2	1 1/8	3	4 1/2	3 1/4
2	60.3	2.375	3	2	1 3/8	4	6	4 3/16
2 1/2	73.0	2.875	3 3/4	2 1/2	1 3/4	5	7 1/2	5 3/16
3	88.9	3.500	4 1/2	3	2	6	9	6 1/4
3 1/2	101.6	4.000	5 1/4	3 1/2	2 1/4	7	10 1/2	7 1/4
4	114.3	4.500	6	4	2 1/2	8	12	8 1/4
5	141.3	5.563	7 1/2	5	3 1/8	10	15	10 5/16
6	168.3	6.625	9	6	3 3/4	12	18	12 5/16
8	219.1	8.625	12	8	5	12	24	16 5/16
10	273.1	10.750	15	10	6 1/4	15	30	20 3/8
12	323.9	12.750	18	12	7 1/2	18	36	24 3/8

SS 316 Elbow and Returns Dimensions

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Nominal / Pipe / Size	Outside / Diameter	Outside / Diameter_2	90° Elbows	90° Elbows_2	45° Elbows	45° Elbows_2	180° Returns	180° Returns_2
(inches)			Long Radius	Short Radius	Long Radius	Long Radius	Long Radius	Long Radius
	(mm)	(inches)	Center to Face / (inches)	Center to Face / (inches)	Center to Face / (inches)	Radius / (inches)	Center to Center / (inches)	Back to face / (inches)
1/2	21.3	0.840	1 1/2	–	5/8		2	1 7/8
3/4	26.7	1.050	1 1/8	–	7/16		2 1/4	1 11/16
1	33.4	1.315	1 1/2	1	7/8		3	2 3/16
1 1/4	42.2	1.660	1 7/8	1 1/4	1		3 3/4	2 3/4
1 1/2	48.3	1.900	2 1/4	1 1/2	1 1/8	3	4 1/2	3 1/4
2	60.3	2.375	3	2	1 3/8	4	6	4 3/16
2 1/2	73.0	2.875	3 3/4	2 1/2	1 3/4	5	7 1/2	5 3/16
3	88.9	3.500	4 1/2	3	2	6	9	6 1/4
3 1/2	101.6	4.000	5 1/4	3 1/2	2 1/4	7	10 1/2	7 1/4
4	114.3	4.500	6	4	2 1/2	8	12	8 1/4
5	141.3	5.563	7 1/2	5	3 1/8	10	15	10 5/16
6	168.3	6.625	9	6	3 3/4	12	18	12 5/16
8	219.1	8.625	12	8	5	12	24	16 5/16
10	273.1	10.750	15	10	6 1/4	15	30	20 3/8
12	323.9	12.750	18	12	7 1/2	18	36	24 3/8

ASME SA403 Gr WP316 Stainless Steel Reducers Dimensions

Nominal / Pipe Size	Outside / Diameter	Outside / Diameter_2	Reducers	Reducers_2
Reduced from / (inches)	(mm)	(inches)	Reduced to / (inches)	Concentric & Eccentric Length / (inches)
1/2	21.3	0.840	1/4	1 1/2
1/2	21.3	0.840	3/8	1 1/2
3/4	26.7	1.050	3/8	2
3/4	26.7	1.050	1/2	2
1	33.4	1.315	3/8	2
1	33.4	1.315	1/2	2
1	33.4	1.315	3/4	2
1 1/4	42.2	1.660	1/2	2
1 1/4	42.2	1.660	3/4	2
1 1/4	42.2	1.660	1	2
1 1/2	48.3	1.900	1/2	2 1/2
1 1/2	48.3	1.900	3/4	2 1/2
1 1/2	48.3	1.900	1	2 1/2
1 1/2	48.3	1.900	1 1/4	2 1/2
2	60.3	2.375	3/4	3
2	60.3	2.375	1	3
2	60.3	2.375	1 1/4	3
2	60.3	2.375	1 1/2	3
2 1/2	73.0	2.875	1	3 1/2
2 1/2	73.0	2.875	1 1/4	3 1/2
2 1/2	73.0	2.875	1 1/2	3 1/2
2 1/2	73.0	2.875	2	3 1/2
3	88.9	3.500	1	3 1/2
3	88.9	3.500	1 1/2	3 1/2
3	88.9	3.500	2	3 1/2
3	88.9	3.500	2 1/2	3 1/2
3 1/2	101.6	4.000	1 1/4	4
3 1/2	101.6	4.000	1 1/2	4
3 1/2	101.6	4.000	2	4
3 1/2	101.6	4.000	2 1/2	4
3 1/2	101.6	4.000	3	4
4	114.3	4.500	1 1/2	4
4	114.3	4.500	2	4
4	114.3	4.500	2 1/2	4
4	114.3	4.500	3	4
4	114.3	4.500	3 1/2	4
5	141.3	5.563	2	5
5	141.3	5.563	2 1/2	5
5	141.3	5.563	3	5
5	141.3	5.563	3 1/2	5
5	141.3	5.563	4	5
6	168.3	6.625	2 1/2	5 1/2
6	168.3	6.625	3	5 1/2
6	168.3	6.625	3 1/2	5 1/2
6	168.3	6.625	4	5 1/2
6	168.3	6.625	5	5 1/2
8	219.1	8.625	3	6
8	219.1	8.625	3 1/2	6
8	219.1	8.625	4	6
8	219.1	8.625	5	6
8	219.1	8.625	6	6
10	273.1	10.750	4	7
10	273.1	10.750	5	7
10	273.1	10.750	6	7
10	273.1	10.750	8	7
12	323.9	12.750	5	8
12	323.9	12.750	6	8
12	323.9	12.750	8	8
12	323.9	12.750	10	8

316 Stainless Steel 90 Degree Elbow Weight

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col_1	col_2	col_3	col_4	col_5	col_6	col_7	col_8	col_9	col_10
DN	Schedule 10S	Schedule 10S	Schedule 10S	Schedule 40S	Schedule 40S	Schedule 40S	Schedule 80S	Schedule 80S	Schedule 80S
DN	900 Elbow	450 Elbow	Equal tee	900 Elbow	450 Elbow	Equal tee	900 Elbow	450 Elbow	Equal tee
8	0.02	0.01	0.03	0.03	0.02	0.06	0.04	0.03	0.07
10	0.03	0.02	0.05	0.03	0.02	0.03	0.06	0.04	0.09
15	0.06	0.03	0.09	0.08	0.04	0.10	0.10	0.05	0.14
20	0.07	0.03	0.13	0.08	0.04	0.17	0.11	0.05	0.20
25	0.14	0.08	0.28	0.15	0.11	0.29	0.22	0.14	0.38
32	0.23	0.11	0.49	0.26	0.17	0.59	0.40	0.23	0.68
40	0.30	0.17	0.68	0.40	0.23	0.86	0.51	0.29	1.02
50	0.50	0.25	0.85	0.70	0.4	1.28	0.91	0.59	1.59
65	0.85	0.48	1.41	1.40	0.77	2.19	1.81	0.99	3.13
80	1.25	0.63	1.77	2.20	1.08	3.31	2.97	1.50	4.45
90	1.70	0.75	2.67	2.83	1.42	4.08	4.00	2.00	5.44
100	2.10	1.08	3.46	4.47	2.09	5.27	6.18	2.81	7.71
150	5.45	2.72	8.07	10.89	5.44	10.99	16.32	8.16	13.61
200	10.20	5.33	15.65	21.54	10.77	20.91	33.11	16.56	28.12
250	18.15	9.75	26.46	38.56	19.27	35.38	51.71	25.86	49.90
300	25.80	13.62	39.46	59.42	29.71	62.14	79.38	39.69	83.91

›Tolerances

316 SS 3D Bend tolerance Chart

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Nominal Diameter	Nominal Diameter_2	O.D.For Bevel End	I.D.For End	Wall Thickness	Elbow	Elbow_2	Tee	Tee_2	Reducer	Cap	180°Elbow	180°Elbow_2	180°Elbow_3
DN	NPS	O.D.For Bevel End	I.D.For End	Wall Thickness	A	B	C	M	H	E	O	K	Roughness
15-65	1/2-2 1/2	+1.6/-0.8	0.8	-12.50%	1.6	1.6	1.6	1.6	1.6	3.2	6.4	6.4	0.8
80-100	3-4	1.6	1.6	-12.50%	1.6	1.6	1.6	1.6	1.6	6.4	6.4	6.4	0.8
125-200	5-8	+2.4/-1.6	1.6	-12.50%	1.6	1.6	1.6	1.6	1.6	6.4	6.4	6.4	0.8
250-450	10-18	+4/-3.2	3.2	-12.50%	2.4	2.4	2.4	2.4	2.4	6.4	9.6	6.4	0.8
500-600	20-24	+6.4/-4.8	4.8	-12.50%	3.2	3.2	3.2	3.2	4.8	9.6
650-750	26-30	+6.4/-4.8	4.8	-12.50%	3.2	3.2	3.2	3.2	4.8	9.6
650-750	26-30	+6.4/-4.8	4.8	-12.50%	4.8	4.8	4.8	4.8	4.8	9.6
800-1200	32-48	+6.4/-4.8	4.8	-12.50%	4.8	4.8	4.8	4.8	4.8	9.6
1250-1500	50-60	+9.6/-6.4	6.4	-12.50%	9.6	9.6	9.6	9.6	9.6
1550-1750	62-70	+12.7/-9.6	9.6	-12.50%	12.7	12.7
1800-2000	72-80	+16/-12	12	-12.50%	16	16

Stainless Steel 316 Pipe Fittings

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