Stainless Steel Pipe Fittings

View stainless steel pipe fittings price list & stainless steel buttweld fittings weight chart

Stainless Steel Pipe Fittings are used to fit pipes and other fitting components together. Naveen Industries is a manufacturer and supplier of various types and sizes of stainless steel fittings for different industrial applications. The pipes and fittings are used in agricultural, pharmaceutical, electrical, marine, chemical and oil and gas industries amongst many others. As a SS pipe fittings manufacturer in india we produce different grades of stainless steel pipes. The most used ones are the 304 type of austenitic stainless steel material made. We supply the other grades such as 316, duplex and commercially pure metallic pipe fittings as well.

Stainless Steel Pipe Fittings

SS Buttweld Elbow and stainless steel pipe fittings manufacturers in India

There are different makes in all the materials such as forged, socket weld and buttweld fittings. Our SS buttweld fittings are useful in that they fit precisely and allow welding due to the buttweld structure of the fittings. There are different types of fittings such as the bends, tees, elbows and connectors. Our Stainless steel elbow is used to divert the direction of flow from one direction to another. The SS tee is to make junction of three pipes to branch and to converge the fluid flow. The SS pipe reducer is used to reduce the diameter of the pipes. You can direct any inquiries related to Stainless steel weld fittings and other products towards us.

Specification of Stainless Steel Pipe Fittings

Specifications ASTM A403 / ASME SA403
Size 1/8” NB TO 48” NB.
Dimensions ASME B16.28, ASME/ANSI B16.9, MSS-SP-43
Thickness Sch 160s, Sch 5s, Sch XXS, Sch 40s, Sch 10s, Sch 80s
Type Welded / Seamless / Fabricated
Form Tee, Cross, Reducer, Elbow, Bend, Cap, Nipples Stub end

Stainless steel fitting contains minimum 10.5% Chromium which produces thin layer of oxide on the surface of steel known as the ‘passive layer’, This prevents corrosion of the surface.

Dimensions & Weight of Stainless Steel Buttweld Fittings

Nominal
Pipe
Size
Outside
Diameter
90° Elbows 45° Elbows 180° Returns
(inches)
Long Radius
Short 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

Sizes of Stainless Steel Pipe Fittings

Stainless Steel Pipe Fittings Manufacturers in India
A403 Stainless Steel Buttweld (B/W) Fittings Material
Size
(in mm)
Sch. & Swg.
SS Fittings Specification
SS Pipe Fittings Items
A403 Stainless Steel Seamless Fittings
15 NB
to
300 NB
Sch. 5
to
Sch. XXs
A-403 B/W
ANSI B16.9
A403 WP304/316 Bend (Long & Short)
A403 WP304/316 Stubend (Long & Short)
A403 WP304/316 Elbow ( 180o, 90o & 45o)
A403 WP304/316 Tee (Equal & Unequal)
R=2D,3D,5D,10D Etc
A403 WP304/316 Reducer (Con & Ecc)
CAP
A403 WP304/316 Nipple (Barrel)
A403 Stainless Steel Welded [ERW] Fittings
15 NB
to
600 NB
Sch. 5
to
Sch. 80s
A-403 B/W
ANSI B16.9

Chemical Composition Of SS Buttweld Fittings

Type Carbon Manganese Phosphorus Sulphur Silicon Chromium Nickel Molybdenum
302 0.15 2.00 0.045 0.030 1.00 17.00/19.00 8.00/10.00
309 0.20 2.00 0.045 0.030 1.00 22.00/24.00 12.00/15.00
304L* 0.03 2.00 0.045 0.030 1.00 18.00/20.00 8.00/12.00
304* 0.08 2.00 0.045 0.030 1.00 18.00/20.00 8.00/10.50
309S 0.08 2.00 0.045 1.00 22.00/24.00
317 0.08 2.00 0.045 0.030 1.00/1.00 18.00/20.00 11.00/15.00 3.00/4.00
310S 0.08 2.00 0.045 0.030 1.5 24.00/26.00 19.00/22.00
316* 0.08 2.00 0.045 0.030 1.00 16.00/18.00 10.00/14.00 2.00/3.00
310 0.25 2.00 0.045 0.030 1.5 24.00/26.00 19.00/22.00
316L* 0.03 2.00 0.045 0.030 1.00 16.00/18.00 10.00/14.00 2.00/3.00
347 0.08 2.00 0.040 0.030 0.5/1.00 17.00/19.00 9.00/12.00 0.5/0.75
317L 0.03 2.00 0.045 0.030 0.75 18.00/20.00 11.00/15.00 3.00/4.00
321 0.08 2.00 0.040 0.030 1.00 17.00/19.00 9.00/12.00 0.75/0.75

Mechanical Strength Of SS Buttweld Fittings

Type UNS Tensile
(ksi) min
Yield
(ksi) min
Elongation
min
Hardness
(Brinell) max
Hardness
(Rockwell B) max
302 S30200 75 30 40% in 2″ 183 88
304* S30400 75 30 40% in 2″ 183 88
304L* S30403 70 30 40% in 2″ 183 88
309 S30900 75 30 40% in 2″ 217 95
309S S30908 75 30 40% in 2″ 217 95
310 S31000 75 30 40% in 2″ 217 95
310S S31008 75 30 40% in 2″ 217 95
316* S31600 75 30 40% in 2″ 217 95
316L* S31603 70 25 35% in 2″ 217 95
317 S31700 75 30 35% in 2″ 217 95
317L S31703 75 30 35% in 2″ 217 95
321 S32100 75 30 40% in 2″ 183 88
347 S34700 75 30 40% in 2″ 183 88