Buttweld Stub End / Lap Joint Pipe Fittings

Long Radius Elbows, Short Radius Elbow Manufacturers

Rishabh Steel Industries is one of eminent manufacturers and suppliers of high grade Buttweld Stub End / Lap Joint Pipe Fittings. Rishabh Steel Industries overseas offers a commendable range of Buttweld Stub End / Lap Joint Pipe Fittings, for the prestigious client with competitive price. Export packaging is grade towards the protection, handling and transport of Buttweld Stub End / Lap Joint Pipe Fittings by air or sea freight, as such shares many characteristics with export and transport Buttweld Stub End / Lap Joint Pipe Fittings packing. Backed by a diligent teen of professional, we are engaged in offering an excellent quality range of Buttweld Stub End / Lap Joint Pipe Fittings.

Buttweld Stub End / Lap Joint Pipe Fittings Specification

Type Buttweld Stub End / Lap Joint Pipe Fittings
Standard ANSI B 16.9, ANSI B16.28, MSS SP43, MSS P75, JIS2311, JIS 2312, JIS2313, DIN2605 , GB-12459, GB-T13401 etc.
Material Stainless Steel, Duplex, Super Duplex, Carbon Steel, Alloy Steel, Monel, Inconel, Hastelloy, Tatanium & Special Metals
Size 1/8” to 48”
Radius Long Radius (L.R) Or Short Radius (S.R)
Thickness SCH5S/10S, SCH20/40/80/160, STD/XS/XXS, SGP
Order Accept custom order
Quality Assurance

All fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Marking & Packing

Products are packaged to ensure that there is no damage during transit. In case of exports, standard export packaging is done in wooden cases. All buttweld fittings are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make custom marking on our products.#Protected by End Caps.

Value Added Services
  • Hot Dipped Galvanizing
  • Epoxy & FBE Coating
  • Electro Polish
  • Shot Blast / Sand Blast
Test Certificates Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report

 

Carbon Steel: ASTM A234 WPB / A420 WPL3/ A420 WPL6/ MSS-SP-75 WPHY 42/ 46/ 52/ 56/ 60/ 65/ 70

Alloy Steel: ASTM A234 WP1/ WP5/ WP9/ WP11/ WP22/ WP91

Stainless Steel: ASTM A403 WP 304/ 304L/ 304H/ 316/ 316L/ 317/ 317L/ 321/ 310/ 347/ 904L/2205 Duplex Fittings

Copper Nickel: CuNi10Fe1Mn, CuNi30Mn1Fe

Other Materials: Monel, Nickel, Inconel, Hastelloy, Copper, Brass, Bronze, Titanium, Tantalum, Bismuth, Aluminium, Zinc, Lead, etc.

 

Buttweld Stub End / Lap Joint Pipe Fittings Dimension

 

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
Source : ASME B16.9 - 2007

STUB ENDS - Ansi and MSS SP-43 dimensions

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

 

STUB ENDS - Ansi 16.9 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

 

STUB ENDS - Weights

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