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Stainless Steel Stub End

Stainless Steel Stub End Manufacturers, Lap Joint Stub End with Flanges Metline is a trusted manufacturer and supplier of stainless steel lap joint stub end fittings in compliance with ASME/ANSI B16.9, ANSI B16.28, MSS-SP-43.
Availability:
Quantity:
  • 304

Stainless Steel Stud End

are mechanical joints that comprises of two components: The Stub End, which essentially a short length of pipe, which has one end that is flared outwards and the other end prepared to be welded to pipe of the same Nominal Pipe Size (NPS), material and of a similar wall thickness.Lap joint stub end is a type of stub end that is mostly used with lap joint flanges, the stub end forming the face of the flange. 


What We Can Offer ?



1111


2222


44444

3333

90   LR/SR Elbow

45   LR Elbow

Concentric   Reducer

Eccentric   Reducer

5555


6666


7777

8888

Equal   Cross

Equal   Tee

Reducer   Tee

End   Cap


Manufacturing Standards of Buttweld Fittings

ASME:

ANSI B16.9, ANSI B16.28, MSS-SP-43

DIN:

DIN2605, DIN2615, DIN2616, DIN2617,   DIN28011

EN:

EN10253-1, EN10253-2

 


ASTM A403/ASME SA403

Standard Specification for Wrought   Austenitic Stainless Steel Piping Fittings

ASME B16.9

Factory-Made Wrought Fittings Buttwelding

ASME B16.25

Buttwelding Ends

ASME B16.28

Wrought Steel Short Radius Elbows and   Buttwelding Returns

MSS SP-43

Wrought and Fabricated Butt-Welding   Fittings for Low Pressure, Corrosion Resistant Applications

 

Buttweld Stub End Material Grades

Stainless Steel ASME B16.9 Buttweld Lap Joint Stub End : 
ASTM A403 WP316/316L, ASTM A403 SA / A 774 WP-S, WP-W, WP-WX 304/304L, ASTM A182 F316L, 304L, DIN 1.4301, DIN1.4306, DIN 1.4401, DIN 1.4404

Duplex & Super Duplex Steel ASME B16.9 Buttweld Lap Joint Stub End : 
ASTM A 815, ASME SA 815 UNS NO S31803, S32205. UNS S32750, S32950. Werkstoff No. 1.4462

Alloy Steel ASME B16.9 Buttweld Lap Joint Stub End : 
ASTM / ASME A/SA 234 Gr. WP 1, WP 5, WP 9, WP 11, WP 12, WP 22, WP 91

Nickel Alloy ASME B16.9 Buttweld Lap Joint Stub End : 
ASTM B336, ASME SB336, Nickel 200 (UNS No. No2200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II), Cupro-Nickel 70/30, CuNi10Fe1Mn, CuNi30Mn1F


We are ISO 9001:2008 certified company with more than 20 years steel experience & have exported to countries such as Argentina, Australia, Canada , Chile, Mexico , Colombia, Denark , Norway, Finland, Germany, UAE, France, Vietnam, Brazil, America, Hungary, Sri Lanka, Malaysia, Saudi Arabia, Thailand, Indonesia, India, Iraq, Kuwait , Isreal, Lebanon,Morocco, Iran, Taiwan, Singapore, Qatar, Japan, Spain, Italy, Peru, South Korea, Turkey,Russia ,Philippines, Rome, England etc.

 

If there is any questions , pls do not hesitate to contact us ! 

Mr.Jim 

Mobile/Wechat  : +86 15902911689

Email : info@yklsteel.com 


ANSI/ASME B16.9 STUB END DIMENSIONS

buttweld-stub-end-dimensions

Nominal Pipe Size

Outside diameter
  of barrel

Length (F)

Radius (R)

Diameter (G)

Minimum

Maximum

Long
  Pattern

Short
  Pattern

1/2″

20.5

22.8

76

51

3

35

3/4″

25.9

28.1

76

51

3

43

1″

32.6

35.0

102

51

3

51

1 1/4″

41.4

43.6

102

51

5

64

1 1/2″

47.5

49.9

102

51

6

74

2″

59.5

62.4

152

64

8

92

2 1/2″

72.2

75.3

152

64

8

105

3″

88.1

91.3

152

64

10

127

3 1/2″

100.8

104.0

152

76

10

140

4″

113.5

116.7

152

76

11

157

5″

140.5

144.3

203

76

11

186

6″

167.5

171.3

203

89

13

216

8″

218.3

222.1

203

102

13

270

10″

272.3

277.2

254

127

13

324

12″

323.1

328.0

254

152

13

381

14″

354.8

359.9

305

152

13

413

16″

405.6

411.0

305

152

13

470

18″

456.0

462.0

305

152

13

533

20″

507.0

514.0

305

152

13

584

22″

558.0

565.0

305

152

13

641

24″

609.0

616.0

305

152

13

692

The dimensions are in millimeters

STUB ENDS – ANSI B 16.9 AND MSS SP-43 DIMENSIONS

Stub End Dimensions in mm, Stub End Dimensions in Inches

STUB ENDS – ANSI B 16.9 and MSS SP-43 dimension

inches

ND

mm

Diameter of lap

Radius of fillet

Length F

 D

G

R

R1

MSS SP43

ANSI B16.9

1/2

15

21,34

34,92

3,17

0,80

50,80

76,20

3/4

20

26,67

42,86

3,17

0,80

50,80

76,20

1

25

33,40

50,80

3,17

0,80

50,80

101,60

1   1/4

32

42,16

63,50

4,76

0,80

50,80

101,60

1   1/2

40

48,26

73,00

6,35

0,80

50,80

101,60

2

50

60,32

92,10

7,93

0,80

63,50

152,40

2   1/2

65

73,02

104,80

7,93

0,80

63,50

152,40

3

80

88,90

127,00

9,52

0,80

63,50

152,40

3   1/2

90

101,60

139,70

9,52

0,80

76,20

152,40

4

100

114,30

157,20

11,11

0,80

76,20

152,40

5

125

141,30

185,70

11,11

1,58

76,20

203,20

6

150

168,27

215,90

12,70

1,58

88,90

203,20

8

200

219,07

269,80

12,70

1,58

101,60

203,20

10

250

273,05

323,80

12,70

1,58

127,00

254,00

12

300

323,85

381,00

12,70

1,58

152,40

254,00

14

350

355,60

412,70

12,70

1,58

152,40

304,80

16

400

406,40

469,90

12,70

1,58

152,40

304,80

18

450

457,20

533,40

12,70

1,58

152,40

304,80

20

500

508,00

584,20

12,70

1,58

152,40

304,80

22

550

558,80

641,30

12,70

1,58

152,40

304,80

24

600

609,60

692,10

12,70

1,58

152,40

304,80

The lap thickness T   shall not be less than nominal pipe wall thickness t

 

Buttweld Lap Joint Stub End Dimensions Chart

lapjoint-stub-end-dimensions

Nominal   Pipe  Size (NPS)

Outside Diameter at Bevel

Long Pattern

Short Pattern

Radius of Fillet

Diameter of Lap

Max

Min

F

F

R

G

1/2

22.8

20.5

76

51

3

35

3/4

28.1

25.9

76

51

3

43

1

35.0

32.6

102

51

3

51

1-1/4

43.6

41.4

102

51

5

64

1-1/2

49.9

47.5

102

51

6

73

2

62.4

59.5

152

64

8

92

2-1/2

75.3

72.2

152

64

8

105

3

91.3

88.1

152

64

10

127

3-1/2

104.0

100.8

152

76

10

140

4

116.7

113.5

152

76

11

157

5

144.3

140.5

203

76

11

186

6

171.3

167.5

203

89

13

216

8

222.1

218.3

203

102

13

270

10

277.2

272.3

254

127

13

324

12

328.0

323.1

254

152

13

381

14

359.5

354.8

305

152

13

413

16

411.0

405.6

305

152

13

470

18

462

456

305

152

13

533

20

514

507

305

152

13

584

22

565

558

305

152

13

641

24

616

609

305

152

13

692

GENERAL NOTES: All dimensions are in millimeters.

 

Buttweld Long Stub End Dimensions

long-stub-end-dimensions

Product

Nom. Pipe Size

Dia (G)

Length (F), Short

Outside Dia (O.D.)

Sch 160, Inside Dia (I.D.)

Sch 160, Lap Thickness (t)

Schedule 160, Wall Thickness (T)

XX Strong Wall Approx. Weight

XX Strong Wall, Inside Dia (I.D.)

1   1/2″ Stub Ends Long Type “A

1.5

2.875

2

1.9

1.338

0.281

0.281

2.98

1.1

1   1/2″ Stub Ends Long Type “A”

1.5

2.875

4

1.9

0.15

0.15

1.49

1.5

0.2

1   1/4″ Stub Ends Long Type “A

1.25

2.5

2

1.66

1.16

0.25

0.25

2.52

0.896

1   1/4″ Stub Ends Long Type “A”

1.25

2.5

4

1.66

0.14

0.14

1.26

1.278

0.191

1″   Stub Ends Long Type “A

1

2

2

1.315

0.815

0.25

0.25

1.76

0.599

1″   Stub Ends Long Type “A”

1

2

4

1.315

0.133

0.133

0.88

0.957

0.179

1/2″   Stub Ends Long Type “A

0.5

1.375

2

0.84

0.464

0.187

0.188

0.68

0.252

1/2″   Stub Ends Long Type “A”

0.5

1.375

3

0.84

0.109

0.109

0.34

0.546

0.147

10″   Stub Ends Long Type “A

10

12.75

5

10.75

8.5

1.125

1.125

10″   Stub Ends Long Type “A”

10

12.75

10

10.75

0.365

0.365

54

9.75

0.5

12″   Stub Ends Long Type “A

12

15

6

12.75

10.126

1.312

1.312

12″   Stub Ends Long Type “A”

12

15

10

12.75

0.375

0.375

64.5

11.75

0.5

14″   Stub Ends Long Type “A”

14

16.25

12

14

0.375

0.375

84

13

0.5

16″   Stub Ends Long Type “A”

16

18.5

12

16

0.375

0.375

98

15

0.5

18″   Stub Ends Long Type “A”

18

21

12

18

0.375

0.375

136

17

0.5

2   1/2″ Stub Ends Long Type “A

2.5

4.125

2.5

2.875

2.125

0.375

0.375

8.8

1.771

2   1/2″ Stub Ends Long Type “A”

2.5

4.125

6

2.875

0.203

0.203

4.4

2.323

0.276

2″   Stub Ends Long Type “A

2

3.625

2.5

2.375

1.689

0.343

0.343

6.1

1.503

2″   Stub Ends Long Type “A”

2

3.625

6

2.375

0.154

0.154

3.05

1.939

0.218

20″   Stub Ends Long Type “A”

20

23

12

20

0.375

0.375

157

19

0.5

3   1/2″ Stub Ends Long Type “A

3.5

5.5

3

4

15.5

2.728

3   1/2″ Stub Ends Long Type “A”

3.5

5.5

6

4

0.226

0.226

7.75

3.364

0.318

3″   Stub Ends Long Type “A

3

5

2.5

3.5

2.624

0.438

0.438

9.8

2.3

3″   Stub Ends Long Type “A”

3

5

6

3.5

0.216

0.216

6.5

2.9

0.3

3/4″   Stub Ends Long Type “A

0.75

1.688

2

1.05

0.612

0.218

0.219

0.94

0.434

3/4″   Stub Ends Long Type “A”

0.75

1.688

3

1.05

0.113

0.113

0.47

0.742

0.154

4″   Stub Ends Long Type “A

4

6.188

3

4.5

3.438

0.531

0.531

19.3

3.152

4″   Stub Ends Long Type “A”

4

6.188

6

4.5

0.237

0.237

9.65

3.826

0.337

5″   Stub Ends Long Type “A

5

7.313

3

5.563

4.313

0.625

0.625

32.66

4.063

5″   Stub Ends Long Type “A”

5

7.313

8

5.563

0.258

0.258

16.33

4.813

0.375

6″   Stub Ends Long Type “A

6

8.5

3.5

6.625

5.187

0.718

0.719

45.26

4.897

6″   Stub Ends Long Type “A”

6

8.5

8

6.625

0.28

0.28

22.63

5.761

0.432

8″   Stub Ends Long Type “A

8

10.625

4

8.625

6.813

0.906

0.906

59.71

6.875

8″   Stub Ends Long Type “A”

8

10.625

8

8.625

0.322

0.322

34.12

7.625

0.5

Buttweld 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 Stub Ends Short Type “C”

1.5

2.875

2

1.9

0.29

1.77

0.065

1 1/4″ Short Stub Ends Short Type “C”

1.25

2.5

2

1.66

0.21

1.53

0.065

1″ Short Stub Ends Short Type “C”

1

2

2

1.315

0.19

1.185

0.065

1/2″ Short Stub Ends Short Type “C”

0.5

1.375

2

0.84

0.13

0.71

0.065

10″ Short Stub Ends Short Type “C”

10

12.75

5

10.75

7.48

10.482

0.134

12″ Short Stub Ends Short Type “C”

12

15

6

12.75

15

12.438

0.156

14″ Short Stub Ends Short Type “C”

14

16.25

6

14

19.2

13.688

0.156

16″ Short Stub Ends Short Type “C”

16

18.5

6

16

23.9

15.67

0.165

18″ Short Stub Ends Short Type “C”

18

21

6

18

28.5

17.67

0.165

2 1/2″ Short Stub Ends Short Type “C”

2.5

4.125

2.5

2.875

0.75

2.709

0.083

2″ Short Stub Ends Short Type “C”

2

3.625

2.5

2.375

0.44

2.245

0.065

20″ Short Stub Ends Short Type “C”

20

23

6

20

36.3

19.624

0.188

24″ Short Stub Ends Short Type “C”

24

27.25

6

24

56

23.564

0.218

3″ Short Stub Ends Short Type “C”

3

5

2.5

3.5

0.94

3.334

0.083

3/4″ Short Stub Ends Short Type “C”

0.75

1.688

2

1.05

0.14

0.92

0.065

4″ Short Stub Ends Short Type “C”

4

6.188

3

4.5

1.38

4.334

0.083

5″ Short Stub Ends Short Type “C”

5

7.313

3

5.563

2.06

5.345

0.109

6″ Short Stub Ends Short Type “C”

6

8.5

3.5

6.625

2.75

6.407

0.109

8″ Short Stub Ends Short Type “C”

8

10.625

4

8.625

3.88

8.407

0.109

 

ANSI B16.9 STUB ENDS – Dimensional tolerances

DIMENSIONAL TOLERANCES – STUB ENDS

For all fittings

Stub Ends

Nominal   Pipe Size (NPS)

Outside   Ø at Bevel

Indide   Ø at End

Wall   Thickness
  t / t1

O.D.   of Lap G

Fillet   Radius of Lap – R

Overall   Length. – F

1/2 a 2 1/2

1

0,8

Not

+0 -1

+0 -1

2

3 a 3 1/2

1

1,6

less

+0 -1

+0 -1

2

4

+2 -1

1,6

than

+0 -1

+0 -2

2

5 a 6

+3 -1

1,6

87,50%

+0 -1

+0 -2

2

8

2

1,6

of nominal

+0 -1

+0 -2

2

10

+4 -3

3,2

tickness

+0 -2

+0 -2

2

12 to 18

+4 -3

3,2


+0 -2

+0 -2

3

20 a 24

+6 -5

4,8


+0 -2

+0 -2

3

26 a 30

+7 -5

4,8





32 a 48

+7 -5

4,8





 

BUTTWELD STUB ENDS WEIGHT

NPS
  inches

STUB ENDS

Sch.
  5S

Sch.
  10S

Sch.
  40S

Sch.
  80S

1/2

0.06

0.08

0.12

0.13

3/4

0.07

0.09

0.15

0.17

1

0.09

0.15

0.20

0.25

1 1/4

0.13

0.20

0.30

0.35

1 1/2

0.16

0.25

0.38

0.46

2

0.25

0.40

0.55

0.75

2 1/2

0.35

0.50

0.80

1.00

3

0.50

0.60

1.10

1.50

4

0.70

1.00

1.80

2.50

5

1.00

1.25

2.50

3.50

6

1.60

1.95

3.70

5.50

8

2.50

3.10

5.90

10.0

10

4.00

4.90

10.5

14.0

12

6.60

7.10

15.0

20.0

14

6.40

7.80

15.5

20.5

16

7.90

9.00

18.0

24.0

18

9.30

10.5

21.0

28.0

20

12.0

13.5

23.5

31.0

24

16.5

19.0

28.5

38.0

Approximate weights in kg, density 8 kg/dm3

End welding bevels of Stub Ends –

end_welding_bevels

NOMINAL PIPE SIZE (Inches)

NB

OD

THICKNESS

SCH 10

SCH 20

SCH 30

SCH 40

SCH 80

1/2

15NB

21.30

1.65

2.11

__

2.41

2.77

3.73

3/4

20NB

26.70

1.65

2.11

__

2.41

2.87

3.91

1

25NB

33.40

1.65

2.77

__

2.90

3.38

4.55

1 1/4

32NB

42.20

1.65

2.77

__

2.97

3.56

4.85

1 1/2

40NB

48.30

1.65

2.77

__

3.18

3.68

5.08

2

50NB

60.30

1.65

2.77

__

3.18

3.91

5.54

2 1/2

65NB

73.00

2.11

3.05

__

4.78

5.16

7.01

3

80NB

88.90

2.11

3.05

__

4.78

5.49

7.62

3 1/2

90NB

101.60

2.11

3.05

__

4.78

5.74

8.08

4

100NB

114.30

2.11

3.05

__

4.78

6.02

8.56

5

125NB

141.30

2.77

3.40

__

__

6.55

9.53

6

150NB

168.30

2.77

3.40

__

__

7.11

10.97

8

200NB

219.10

2.77

3.76

6.35

7.04

8.18

12.70

10

250NB

273.00

3.40

4.19

6.35

7.80

9.27

15.09

12

300NB

323.80

3.96

4.57

6.35

8.38

10.31

17.48

14

350NB

355.60

3.96

6.35

7.92

9.53

11.13

19.05

16

400NB

406.40

4.19

6.35

7.92

9.53

12.7

21.44

18

450NB

457.00

4.19

6.35

7.92

11.13

14.27

23.83

20

500NB

508.00

4.78

6.35

9.53

12.70

15.09

26.19

22

550NB

559.00

4.78

6.35

9.53

12.70

__

28.58

24

600NB

610.00

5.54

6.35

9.53

14.27

17.48

30.96

ASME B16.9 SHORT STUB ENDS LENGTH

Facing: 125-250 RMS (smooth finish)

welded version = w 
= s seamless execution

stub-end-dimensions

Nominal

Schedule

D

t

G

F

R. Max.

kg / St.


1/2 “

10s

21.3

2.11

34.9

50.8

3.18

0.07

s


40s


2.77




0.09

s

3/4 “

10s

26.7

2.11

42.9

50.8

3.18

0.10

s


40s


2.87




0.12

s

1 “

10s

33.4

2.77

50.8

50.8

3.18

0.16

s / w


40s


3.38




0.17

s

1 1/4 “

10s

42.2

2.77

63.5

50.8

4.76

0.22

s


40s


3.56




0.25

s

1 1/2 “

10s

48.3

2.77

73.0

50.8

6.35

0.25

s / w


40s


3.68




0.31

s

2 “

10s

60.3

2.77

92.1

63.5

7.94

0.43

s / w


40s


3.91




0.61

s

2 1/2 “

10s

73.0

3.05

104.8

63.5

7.94

0.57

s / w


40s


5.16




0.80

s

3 “

10s

88.9

3.05

127.0

63.5

9.53

0.73

s / w


40s


5.49




1.13

s

4 “

10s

114.3

3.05

157.2

76.2

11.11

1.09

s / w


40s


6.02




1.87

s

5 “

10s

141.3

3.40

185.7

76.2

11.11

1.47

s / w


40s


6.55




2.28

s

6 “

10s

168.3

3.40

215.9

88.9

12.70

2.15

s / w


40s


7.11




3.57

s / w

8 “

10s

219.1

3.76

269.9

101.6

12.70

3.22

s / w


40s


8.18




6.07

s / w

10 “

10s

273.1

4.19

323.9

127.0

12.70

5.13

w


40s


9.27




10.07

w

12 “

10s

323.9

4.57

381.0

152.4

12.70

8.16

w


40s


9.53




14.29

w

14 “

10s

355.6

4.78

412.8

152.4

12.70

10.89

w


40s


9.53




17.15

w

16 “

10s

406.4

4.78

469.9

152.4

12.70

12.70

w


40s


9.53




20.41

w

18 “

10s

457.2

4.78

533.4

152.4

12.70

17.24

w

20 “

10s

508.0

5.54

584.2

152.4

12.70

21.77

w

24 “

10s

609.6

6.35

692.2

152.4

12.70

27.22

w

 

ASME B16.9 Buttweld Stub End Available Types

 


Package

                                     Package in Pallet or Plywood box 

Fitting application

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