Pipe Fittings

Lap Joint Stub Endslong type schedule STD & XS ASME B16.9

Stub  end  refers to the forming method of forming a straight wall or stubend  with a certain angle along the closed or unclosed curve edge on the plane part or curved surface part of the blank by using the function of the mold. Flanging is a kind of stam
Description


 

Stub End  .


1. Material: Stainless steel
2. Good quality and nice crafts
3. ISO9001-2000 Certificate

Form:
1/8" NB TO 48" NB. (Seamless & Welded)

Thickness
SCH: 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS

Type:
· Elbows in 45 deg, 90 deg, 180 deg, R=1D, 1.5D, 3D, 5D, 6D, 8D, 10D & 20D.
· Eccentric & concentric reducer.
· Caps & crosses.
· Equal & unequal tee.
· Long & short stub end.

Standard
· ASME: ANSI B16.9, ANSI B16.28, MSS SP75
· DIN: DIN2605, DIN2615, DIN2616, DIN2617, DIN28011
· SGP: JIS B2313
· EN: EN10253-1, EN10253-2
Material
Stainless Steel: ASTM A403 WP 304/ 304L/ 304H/ 316/ 316L/ 317/ 317L/ 321/ 310/ 347/ 904L/ etc.
Carbon Steel: ASTM A234 WPB / A420 WPL3/ A420 WPL6/ MSS-SP-75 WPHY 42/46/52/56/60/65/70 etc.
Alloy Steel: ASTM A234 WP1/ WP5/ WP9/ WP11/ WP22/ WP91/ etc.

 

Lap Joint Stub Ends
ASME B16.9,MSS SP-43 1/2
Nominal Pipe Size Outside Diameter at Bevel Length Radius of Fillet Diameter of Lap
A B
NPS D L R G
1/2
3/4
1
21.3
26.7
33.4
51
51
51
3.0
3.0
3.0
0.8
0.8
0.8
35
43
51
11/4
11/2
2
42.2
48.3
60.3
51
51
64
5.0
6.0
8.0
0.8
0.8
0.8
64
73
92
21/2
3
31/2
73.0
88.9
101.6
64
64
76
8.0
10.0
10.0
0.8
0.8
0.8
106
127
140
4
5
6
114.3
141.3
168.3
76
76
89
11.0
11.0
13.0
0.8
1.6
1.6
157
185
218
8
10
12
219.1
273.0
323.8
102
127
152
13.0
13.0
13.0
1.6
1.6
1.6
270
324
381
14
16
18
355.6
406.4
457.0
152
152
152
13.0
13.0
13.0
1.6
1.6
1.6
413
470
533
20
22
24
508.0
559.0
610.0
152
152
152
13.0
13.0
13.0
1.6
--
1.6
584
641
692
•Minimum lap thickness shall not be less than nominal wall thickness.
•Contact faces of stub ends shall have a concentric serration or spiral according to the purchaser's requirements.
•These lengths and radius apply for schedule 40s or thinner stainless steel pipes.
•Radius of fillet B is only effective to MSS SP-43 lap joint stub ends.

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