Buttweld Fittings Swage Nipple
Concentric & Eccentric

Swage Nipple Concentric & Eccentric

Table of Content

Kaizen Steel is a leading producer, supplier, and stockist of swage nipples, including ANSI B16.28 eccentric, concentric, and pipe swage nipples. Known for their strong construction and precision, these nipples feature high tensile strength, excellent corrosion resistance, and superior finishes.

Manufactured using advanced technology and modern tools, Kaizen Steel ensures that their Concentric swage nipples meet high standards of quality. We offer products in a range of materials, including stainless steel, carbon steel, and alloy steel, catering to various industrial applications. Our swage nipples are designed to withstand heavy loads, are flexible, and have commendable dimensional accuracy.

Swage Nipples are available in different standards and specifications such as ASTM, AISI, API, JIS, DIN, EN, and IS. Amco Metals conducts rigorous testing—including PMI, IGC, hardness, flattening, and flaring tests—to ensure the quality and reliability of their swage nipples.

For added protection during shipping, the swage nipples are carefully packaged in wooden boxes, carton boxes, or wooden pallets to prevent damage. Kaizen Steel is committed to providing excellent customer service and value-added support to meet their clients’ specific needs.

Swage Nipple Specifications

Size 1/8” to 8”, DN8 to DN200
Type Concentric Swage Nipples, Eccentric Swage Nipples
Dimensions MSS SP-95-2006, BS 3799
Raw Materials A106 Gr. B, A105/A105N, A182 304/304L , A182 316/316L , A312 304/304L, Duplex, A312 316/316L, A350-LF2, Alloy Steel
Material Specifications ASTM A105, A350 LF2, ASTM A182 (F304, F304L, F316, F316L, F304H, F316H, F317L, F321, F11, F22, F91)
Connection Ends PBE: Plain both ends, BBE: Bevel both ends, TBE: Thread both ends PSE: Plain small end, BSE: Bevel small end, TSE: Thread small end PLE: Plain large end, BLE: Bevel large end, TLE: Thread large end Thickness: Standard, Extra Heavy, Schedule 160, or Double Extra Heavy
Ends Beveled, Square Cut (for socket-weld), NPT/BSPT/BSP Threaded Swages, Customer Specification
Test Certificates EN 10204 3.1, Raw Material Certificates Available, Destructive & Non Destructive Testing (NDT) Reports from NABL Approved Labs
Material Finish Electro-Galvanized Coating, Black Finish, Blackodising Finish, Sand Blasting, or Pickled Finish in case of Stainless Steel Swage Nipples

Butt weld Swage Nipple Material & Grades

Material Grades
Stainless Steel Swage Nipple ASTM A403 WP 304/304L/304H, ASTM A403 WP 316/316L, ASTM A403 WP 317/317L, ASTM A403 WP 321, ASTM A403 WP 310, ASTM A403 WP 347, ASTM A403 WP 904L
Carbon Steel Swage Nipple ASTM A234 WPB, ASTM A420 WPL3, ASTM A420 WPL6, MSS-SP-75 WPHY 42/46/52/56/60/65/70
Alloy Steel Swage Nipple ASTM A234 WP1, ASTM A234 WP5, ASTM A234 WP9, ASTM A234 WP11, ASTM A234 WP22, ASTM A234 WP91
Nickel Alloy Swage Nipple ASTM / ASME SB 336 UNS 2200 (Nickel 200), ASTM / ASME SB 336 UNS 2201 (Nickel 201), ASTM / ASME SB 336 UNS 4400 (Monel 400), ASTM / ASME SB 336 UNS 8020 (Alloy 20 / 20 CB 3), ASTM / ASME SB 336 UNS 8825 (Inconel 825), ASTM / ASME SB 336 UNS 6600 (Inconel 600), ASTM / ASME SB 336 UNS 6601 (Inconel 601), ASTM / ASME SB 336 UNS 6625 (Inconel 625), ASTM / ASME SB 336 UNS 10276 (Hastelloy C 276)
Duplex & Super Duplex Steel Swage Nipple ASTM A815, ASME SA815 UNS S31803, ASME SA815 UNS S32205, Werkstoff No. 1.4462
Copper Nickel Swage Nipple CuNi10Fe1Mn, CuNi30Mn1Fe

ASME B16.11 Threaded Swage Nipple Dimensions Standrad

ASME:ASME 16.11, MSS SP-79, MSS SP-95, 83, 95, 97, BS 3799
DIN:DIN2605, DIN2615, DIN2616, DIN2617, DIN28011
EN:EN10253-1, EN10253-2

BS-3799 Threaded Swage Nipples Dimensions

BS-3799 Threaded Swage Nipples Dimensions
NOMINAL SIZE
Large end dimensions
length of swage nipples
INCHES in mm
3/8″76
1/2″89
3/4″95
1″102
1.1/2″114
2″165
2.1/2″178
3″0
4″229

MSS-SP-95 Threaded Swage Nipples Dimensions

MSS-SP-95 Threaded Swage Nipples Dimensions
NOMINAL PIPE SIZE (NPS)Outside Diameter End To End “A
In Inches 
In Inches Large End Small EndIn Inches
5 X 1/45.5030.54011.00
5 X 3/85.5030.67511.00
5 X 1/25.5030.84011.00
5 X 3/45.5031.05011.00
5 X 15.5031.31511.00
5 X 1-1/45.5031.66011.00
5 X 1-1/25.5031.90011.00
5 X 25.5032.37511.00
5 X 2-1/25.5032.87511.00
5 X 35.5033.50011.00
5 X 3-1/25.5034.00011.00
5 X 45.5034.50011.00
6 X 1/26.6250.84012.00
6 X 3/46.6251.05012.00
6 X 46.6251.31512.00
6 X 1-1/46.6251.66012.00
6 X 1-1/26.6251.90012.00
6 X 26.6252.37512.00
6 X 2-1/26.6252.87512.00
6 X 36.6253.50012.00
6 X 3-1/26.6254.00012.00
6 X 46.6254.50012.00
6 X 56.6255.56312.00
8 X 18.6251.31513.00
8 X 1-1/48.6251.66013.00
8 X 1-1/28.6251.90013.00
8 X 28.6252.37513.00
8 X 2-1/28.6252.87513.00
8 X 38.6253.50013.00
8 X 3-1/28.6254.00013.00
8 X 48.6254.50013.00
8 X 58.6255.56313.00
8 X 68.6256.62513.00
10 X 210.7502.37515.00
10 X 2-1/210.7502.87515.00
10 X 310.7503.50015.00
10 X 3-1/210.7504.00015.00
10 X 410.7504.50015.00
10 X 510.7505.56315.00
10 X 610.7506.62515.00
10 X 810.7508.62515.00
12 X 212.7502.37516.00
12 X 2-1/212.7502.87516.00
12 X 312.7503.50016.00
12 X 3-1/212.7504.00016.00
12 X 412.7504.50016.00
12 X 512.7505.56316.00
12 X 612.7506.62516.00
12 X 812.7508.62516.00
12 X 1012.75010.75016.00
NOMINAL PIPE SIZE (NPS)Outside Diameter End To End “A
In Inches 
In Inches Large End Small EndIn Inches
NOMINAL PIPE SIZE (NPS) Outside Diameter End To End “A
In Inches
In Inches Large End Small End In Inches
1/4 X 1/8 0.540 0.405 2.25
3/8 X1/8 0.675 0.405 2.50
3/8  X 1/4 0.675 0.540 2.50
1/2 X 1/8 0.840 0.405 2.75
1/2 X 1/4 0.840 0.540 2.75
1/2 X 3/8 0.840 0.675 2.75
3/4 X 1/8 1.050 0.405 3.00
3/4 X 1/4 1.050 0.540 3.00
3/4 X 3/8 1.050 0.675 3.00
3/4 X 1/2 1.050 0.840 3.00
1 X 1/8 1.315 0.405 3.50
1 X 1/4 1.315 0.540 3.50
1 X 3/8 1.315 0.675 3.50
1 X 1/2 1.315 0.840 3.50
1 X 3/4 1.315 1.050 3.50
1-1/4 X 1/8 1.660 0.405 4.00
1-1/4 X 1/4 1.660 0.540 4.00
1-1/4 X 3/8 1.660 0.675 4.00
1-1/4 X 1/2 1.660 0.840 4.00
1-1/4 X 3/4 1.660 1.050 4.00
1-1/4 X 1 1.660 1.315 4.00
1-1/2 X 1/8 1.900 0.405 4.50
1-1/2 X 1/4 1.900 0.540 4.50
1-1/2 X 3/8 1.900 0.675 4.50
1-1/2 X 1/2 1.900 0.840 4.50
1-1/2  X 3/4 1.900 1.050 4.50
1-1/2 X 1 1.900 1.315 4.50
1-1/2 X 11/4 1.900 1.660 4.50
2 X 1/8 2.375 0.405 6.50
2 X 1/4 2.375 0.540 6.50
2 X 3/8 2.375 0.675 6.50
2 X 1/2 2.375 0.840 6.50
2 X 3/4 2.375 1.050 6.50
2 X 1 2.375 1.315 6.50
2 X 1-1/4 2.375 1.660 6.50
2 X 1-1/2 2.375 1.900 6.50
2-1/2 X 1/8 2.875 0.405 7.00
2-1/2 X 1/4 2.875 0.540 7.00
2-1/2 X 3/8 2.875 0.675 7.00
2-1/2 X 1/2 2.875 0.840 7.00
2-1/2 X 3/4 2.875 1.050 7.00
2-1/2 X 1 2.875 1.315 7.00
2-1/2 X 1-1/4 2.875 1.660 7.00
2-1/2 X 1-1/2 2.875 1.900 7.00
2-1/2 X 2 2.875 2.375 7.00
3 X 1/8 3.500 0.405 8.00
3 X 1/4 3.500 0.540 8.00
3 X 3/8 3.500 0.675 8.00
3 X 1/2 3.500 0.840 8.00
3 X 3/4 3.500 1.050 8.00
3 X 1 3.500 1.315 8.00
3 X 1-1/4 3.500 1.660 8.00
3 X 1-1/2 3.500 1.900 8.00
3 X 2 3.500 2.375 8.00
3 X 2-1/2 3.500 2.875 8.00
3-1/2 X 1/8 4.000 0.405 8.00
3-1/2 X 1/4 4.000 0.540 8.00
3-1/2 X 3/8 4.000 0.675 8.00
3-1/2 X 1/2 4.000 0.840 8.00
3-1/2 X 3/4 4.000 1.050 8.00
3-1/2 X 1 4.000 1.315 8.00
3-1/2 X 1-1/4 4.000 1.660 8.00
3-1/2 X 1-1/2 4.000 1.990 8.00
3-1/2 X 2 4.000 2.375 8.00
3-1/2 X 2-1/2 4.000 2.875 8.00
3-1/2 X 3 4.000 3.500 8.00
4 X 1/4 4.500 0.540 9.00
4 X 3/8 4.500 0.675 9.00
4 X 1/2 4.500 0.840 9.00
4 X 3/4 4.500 1.050 9.00
4 X 1 4.500 1.315 9.00
4 X 1-1/4 4.500 1.660 9.00
4 X 1-1/2 4.500 1.900 9.00
4 X 2 4.500 2.375 9.00
4 X 2-1/2 4.500 2.875 9.00
4 X 3 4.500 3.500 9.00
4 X 3-1/2 4.500 4.000 9.00
NOMINAL PIPE SIZE (NPS) Outside Diameter End To End “A
In Inches
In Inches Large End Small End In Inches

Threaded Swage Nipple Dimensions

Threaded Swage Nipple Dimensions

Nominal Pipe Size (NPS)

Outside Diameter

End To End “A” Wall Thickness
Large End D1 Small End D2 T1 T2

Sch40 (STD)

Sch80 (XS)

Sch160 XXS

Sch40 (STD)

Sch80 (XS)

Sch160 XXS
1/4”x1/8” 13.7

10.3

57

2.2

3.0

3.7 6.1

1.7

2.4

3/8”x1/8” 17.1

10.3

64

2.3

3.2

4.0 6.4

1.7

2.4

3/8”x1/4” 17.1

13.7

64

2.3

3.2

4.0 6.4

2.2

3.0

1/2”x1/8” 21.3

10.3

70

2.8

3.7

4.8 7.5

1.7

2.4

1/2”x1/4” 21.3

13.7

70

2.8

3.7

4.8 7.5

2.2

3.0

1/2”x3/8” 21.3

17.1

70

2.8

3.7

4.8 7.5

2.3

3.2

3/4”x1/8” 26.7

10.3

76

2.9

3.9

5.6 7.8

1.7

2.4

3/4’x1/4” 26.7

13.7

76

2.9

3.9

5.6 7.8

2.2

3.0

3/4”x3/8” 26.7

17.1

76

2.9

3.9

5.6 7.8

2.3

3.2

3/4”x1/2” 26.7

21.3

76

2.9

3.9

5.6 7.8

2.8

3.7

4.8 7.5
1”x1/8” 33.4

10.3

89

3.4

4.5

6.4 9.1

1.7

2.4

1”x1/4” 33.4

13.7

89

3.4

4.5

6.4 9.1

2.2

3.0

1”x3/8” 33.4

17.1

89

3.4

4.5

6.4 9.1

2.3

3.2

1”x1/2” 33.4

21.3

89

3.4

4.5

6.4 9.1

2.8

3.7

4.8 7.5
1”x3/4” 33.4

26.7

89

3.4

4.5

6.4 9.1

2.9

3.9

5.6 7.8
1-1/4”x1/8” 42.2

10.3

102

3.6

4.9

6.4 9.7

1.7

2.4

1-1/4”x1/4” 42.2

13.7

102

3.6

4.9

6.4 9.7

2.2

3.0

1-1/4”x3/8” 42.2

17.1

102

3.6

4.9

6.4 9.7

2.3

3.2

1-1/4”x1/2” 42.2

21.3

102

3.6

4.9

6.4 9.7

2.8

3.7

4.8 7.5
1-1/4”x3/4” 42.2

26.7

102

3.6

4.9

6.4 9.7

2.9

3.9

5.6 7.8
1-1/4”x1” 42.2

33.4

102

3.6

4.9

6.4 9.7

3.4

4.5

6.4 9.1
1-1/2”x1/8” 48.3

10.3

114

3.7

5.1

7.1 10.2

1.7

2.4

1-1/2”x1/4” 48.3

13.7

114

3.7

5.1

7.1 10.2

2.2

3.0

1-1/2”x3/8” 48.3

17.1

114

3.7

5.1

7.1 10.2

2.3

3.2

1-1/2”x1/2” 48.3

21.3

114

3.7

5.1

7.1 10.2

2.8

3.7

4.8 7.5
1-1/2”x3/4” 48.3

26.7

114

3.7

5.1

7.1 10.2

2.9

3.9

5.6 7.8
1-1/2”x1” 48.3

33.4

114

3.7

5.1

7.1 10.2

3.4

4.5

6.4 9.1
1-1/2”x1-1/4” 48.3

42.2

114

3.7

5.1

7.1 10.2

3.6

4.9

6.4 9.7
2”x1/8” 60.3

10.3

165

3.9

5.5

8.7 11.1

1.7

2.4

2”x1/4” 60.3

13.7

165

3.9

5.5

8.7 11.1

2.2

3.0

2”x3/8” 60.3

17.1

165

3.9

5.5

8.7 11.1

2.3

3.2

2”x1/2” 60.3

21.3

165

3.9

5.5

8.7 11.1

2.8

3.7

4.8 7.5
Threaded Swage Nipple Dimensions

Nominal Pipe Size (NPS)

Outside Diameter

End To End “A” Wall Thickness
Large End D1 Small End D2 T1 T2

Sch40 (STD)

Sch80 (XS)

Sch160 XXS

Sch40 (STD)

Sch80 (XS)

Sch160 XXS
2”x3/4”

60.3

26.7 165

3.9

5.5

8.7 11.1

2.9

3.9

5.6 7.8
2”x1”

60.3

33.4 165

3.9

5.5

8.7 11.1

3.4

4.5

6.4 9.1
2”x1-1/4”

60.3

42.2 165

3.9

5.5

8.7 11.1

3.6

4.9

6.4 9.7
2”x1-1/2”

60.3

48.3 165

3.9

5.5

8.7 11.1

3.7

5.1

7.1 10.2
2-1/2”x1/8”

73.0

10.3 178

5.2

7.0

9.5 14.0

1.7

2.4

2-1/2”x1/4”

73.0

13.7 178

5.2

7.0

9.5 14.0

2.2

3.0

2-1/2”x3/8”

73.0

17.1 178

5.2

7.0

9.5 14.0

2.3

3.2

2-1/2”x1/2”

73.0

21.3 178

5.2

7.0

9.5 14.0

2.8

3.7

4.8 7.5
2-1/2”x3/4”

73.0

26.7 178

5.2

7.0

9.5 14.0

2.9

3.9

5.6 7.8
2-1/2”x1”

73.0

33.4 178

5.2

7.0

9.5 14.0

3.4

4.5

6.4 9.1
2-1/2”x1-1/4”

73.0

42.2 178

5.2

7.0

9.5 14.0

3.6

4.9

6.4 9.7
2-1/2”x1-1/2”

73.0

48.3 178

5.2

7.0

9.5 14.0

3.7

5.1

7.1 10.2
2-1/2”x2”

73.0

60.3 178

5.2

7.0

9.5 14.0

3.9

5.5

8.7 11.1
3”x1/8”

88.9

10.3 203

5.5

7.6

11.1 15.2

1.7

2.4

3.2 4.8
3”x1/4”

88.9

13.7 203

5.5

7.6

11.1 15.2

2.2

3.0

3.7 6.1
3”x3/8”

88.9

17.1 203

5.5

7.6

11.1 15.2

2.3

3.2

4.0 6.4
3”x1/2”

88.9

21.3 203

5.5

7.6

11.1 15.2

2.8

3.7

4.8 7.5
3”x3/4”

88.9

26.7 203

5.5

7.6

11.1 15.2

2.9

3.9

5.6 7.8
3”x1”

88.9

33.4 203

5.5

7.6

11.1 15.2

3.4

4.5

6.4 9.1
3”x1-1/4”

88.9

42.2 203

5.5

7.6

11.1 15.2

3.6

4.9

6.4 9.7
3”x1-1/2”

88.9

48.3 203

5.5

7.6

11.1 15.2

3.7

5.1

7.1 10.2
3”x2”

88.9

60.3 203

5.5

7.6

11.1 15.2

3.9

5.5

8.7 11.1
3”x2-1/2”

88.9

73.0 203

5.5

7.6

11.1 15.2

5.2

7.0

9.5 14.0
3-1/2”x1/8”

101.6

10.3 203

5.7

8.1

1.7

2.4

3-1/2”x1/4”

101.6

13.7 203

5.7

8.1

2.2

3.0

3-1/2”x3/8”

101.6

17.1 203

5.7

8.1

2.3

3.2

3-1/2”x1/2”

101.6

21.3 203

5.7

8.1

2.8

3.7

4.8 7.5
3-1/2”x3/4”

101.6

26.7 203

5.7

8.1

2.9

3.9

5.6 7.8
3-1/2”x1”

101.6

33.4 203

5.7

8.1

3.4

4.5

6.4 9.1
3-1/2”x1-1/4”

101.6

42.2 203

5.7

8.1

3.6

4.9

6.4 9.7

Short Stub End Dimensions

Short Stub End Dimensions
Product Nom. Pipe Size Diameter (G) Length (J) Outside Diameter (O.D.) Schedule 5S Approx. Weight Schedule 5S, Inside Diameter (I.D.) Schedule 5S, Wall Thickness (T)
1 1/2″ Short Stubs Ends Short Type “C” 1.5 2.875 2 1.9 0.29 1.77 0.065
1 1/4″ Short Stubs Ends Short Type “C” 1.25 2.5 2 1.66 0.21 1.53 0.065
1″ Short Stubs Ends Short Type “C” 1 2 2 1.315 0.19 1.185 0.065
1/2″ Short Stubs Ends Short Type “C” 0.5 1.375 2 0.84 0.13 0.71 0.065
10″ Short Stubs Ends Short Type “C” 10 12.75 5 10.75 7.48 10.482 0.134
12″ Short Stubs Ends Short Type “C” 12 15 6 12.75 15 12.438 0.156
14″ Short Stubs Ends Short Type “C” 14 16.25 6 14 19.2 13.688 0.156
16″ Short Stubs Ends Short Type “C” 16 18.5 6 16 23.9 15.67 0.165
18″ Short Stubs Ends Short Type “C” 18 21 6 18 28.5 17.67 0.165
2 1/2″ Short Stubs Ends Short Type “C” 2.5 4.125 2.5 2.875 0.75 2.709 0.083
2″ Short Stubs Ends Short Type “C” 2 3.625 2.5 2.375 0.44 2.245 0.065
20″ Short Stubs Ends Short Type “C” 20 23 6 20 36.3 19.624 0.188
24″ Short Stubs Ends Short Type “C” 24 27.25 6 24 56 23.564 0.218
3″ Short Stubs Ends Short Type “C” 3 5 2.5 3.5 0.94 3.334 0.083
3/4″ Short Stubs Ends Short Type “C” 0.75 1.688 2 1.05 0.14 0.92 0.065
4″ Short Stubs Ends Short Type “C” 4 6.188 3 4.5 1.38 4.334 0.083
5″ Short Stubs Ends Short Type “C” 5 7.313 3 5.563 2.06 5.345 0.109
6″ Short Stubs Ends Short Type “C” 6 8.5 3.5 6.625 2.75 6.407 0.109
8″ Short Stubs Ends Short Type “C” 8 10.625 4 8.625 3.88 8.407 0.109

Dimensional Tolerance of Swaged Nipple

Nominal Pipe Size (inch)

Overall Length (mm)

Outside diameter at end

Wall Thickness (prior to threading or grooving)

Square Cut Ends (mm)

Other End Connection (mm)

1/8” to 3/8”

± 1.5

+ 0.40 – 0.80 ± 0.80

 

Not less than 87.5% of nominal wall thickness

1/2” to 1-1/2”

± 1.5

+ 0.40 – 0.80 + 1.50 – 0.80

2” to 2-1/2”

± 3.0

± 0.80 + 1.50 – 0.80

3” to 4”

± 3.0

± 0.80 ± 1.50

Seamless Swage Nipples

I.D. or Nominal Size Outside Diameter Length
NU EUE NU EUE
1/8
1/4 .540 2 1/4
3/8 .675 2 1/2
1/2 .840 2 3/4
3/4 1.050 3
1 1.315 1.469 3 1/2 4 1/2
1 1/4 1.660 1.812 4 6
 
I.D. or Nominal Size Outside Diameter Length
NU EUE NU EUE
1 1/2 1.900 2.094 4 1/2 6
2 2.375 2.594 6 1/2 8
2 1/2 2.875 3.094 7 8
3 3.500 3.750 8 8
3 1/2 4.000 4.250 8 8
4 4.500 4.750 9 9

Global Suppliers Export to

Related Products

Weldable Pipe Fittings

Weldable Pipe Fittings

Know More

Stainless Steel Long Radius Elbow

Stainless Steel Long Radius Elbow

Know More

45 Degree Elbow Manufacturers

45 Degree Elbow Manufacturers

Know More

Alloy Steel Pipe Fittings

Alloy Steel Pipe Fittings

Know More

Contact us

    [hidden post-url default:shortcode[_post_url] ]