At Dhanlaxmi Stainless, we supply a comprehensive range of Pipes & Tubes designed to meet global quality standards for use in demanding industrial applications. Our offerings are manufactured in accordance with internationally recognized specifications to ensure superior strength, corrosion resistance, and dimensional accuracy.
Our product range includes Stainless Steel Pipes & Tubes as per ASTM/ASME A312 and A358, available in grades like 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316L, 316H, 317, 317L, 321, 321H, 347, 347H, and 904L. These are ideal for applications requiring high corrosion resistance and thermal stability.
We also offer a full range of Nickel Alloy Pipes & Tubes manufactured to standards like SB 161, SB 725, and SB 730, in grades including Nickel 200, 201, Monel 400, Alloy 20, Inconel 600, 625, 825, Incoloy 800, 800HT, and Hastelloy C276. These are specially suited for aggressive environments in chemical and marine industries.
For critical applications, we supply Duplex and Super Duplex Steel Pipes & Tubes according to ASTM/ASME A790, in grades UNS S31803, S32205, S32750, and S32760. These materials offer excellent strength and resistance to pitting and stress corrosion cracking.
Our Carbon Steel Pipes & Tubes are manufactured as per ASTM A53, A106, and API 5L in grades such as GR A, GR B, GR C, X42, X46, X52, X60, X65, X70, and A691. These are widely used in pressure lines, structural frameworks, and fluid transportation systems.
In addition, we supply Alloy Steel Pipes & Tubes as per ASTM/ASME A335 in grades P1, P5, P9, P11, P12, P22, P23, and P91. These are engineered for high-temperature and high-pressure applications in power plants, petrochemical units, and refineries. All pipes and tubes can be supplied in seamless and welded forms with proper documentation, including MTCs, NACE compliance, and Third-Party Inspection certificates upon request.
| Material | Specifications | Grades |
|---|---|---|
| Stainless Steel | ASTM / ASME SA 312, SA 358 CL 1 & CL 3 | 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316L, 316H, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L |
| Nickel Alloy | ASTM / ASME SB 161, SB 725, SB 730, SB 165, SB 729, SB 464, SB 468, SB 423, SB 705, SB 704, SB 167, SB 517, SB 516, SB 407, SB 514, SB 515, SB 444, SB 705, SB 704, SB 622, SB 619, SB 622 | Nickel 200 (UNS 2200), Nickel 201 (UNS 2201), Monel 400 (UNS 4400), Alloy 20 (UNS 8020), Inconel 600 (UNS 6600), Inconel 625 (UNS 6625), Inconel 825 (UNS 8825), Incoloy 800/800HT (UNS 8810/8811), Hastelloy C276 (UNS 10276) |
| Duplex Steel | ASTM / ASME SA 790 | UNS 31803, UNS 32760 |
| Carbon Steel | ASTM / ASME A53, A106, A691; API 5L | Grade A, B, C; API 5L GR. B, X42, X46, X52, X60, X65, X70 |
| Alloy Steel | ASTM / ASME A335 | Grade P1, P5, P9, P11, P12, P22, P23, P91 |
| Copper Alloys | ASTM / ASME B111, B466, B467 | Brass, Pure Copper, Cupro Nickel 90/10 (C70600), Cupro Nickel 70/30 (C71500) |
|
Nominal Broe
|
Outside Diameter
|
Schedule 5S
|
Schedule 10S
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Schedule 40S
|
Schedule 80S
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Schedule 160S
|
Schedule XXS
|
|||||||
|
mm
|
INCH
|
mm
|
Wt mm
|
Weight (Kg/mt)
|
Wt
mm |
Weight (Kg/mt)
|
Wt
mm |
Weight (Kg/mt)
|
Wt
mm |
Weight (Kg/mt)
|
Wt mm
|
Weight (Kg/mt)
|
Wt
mm |
Weight (Kg/mt)
|
|
3
|
1/8
|
10.3
|
1.24
|
0.276
|
1.24
|
028
|
1.73
|
0.37
|
2.41
|
0.47
|
-
|
-
|
-
|
-
|
|
6
|
1/4
|
13.7
|
1.24
|
0.390
|
1.65
|
049
|
2.24
|
0.631
|
3.02
|
.0.80
|
-
|
-
|
-
|
-
|
|
10
|
3/8
|
17.1
|
1.24
|
0.490
|
1.65
|
0.63
|
2.31
|
0.845
|
3.20
|
1.10
|
-
|
-
|
-
|
-
|
|
15
|
1/2
|
21.3
|
1.65
|
0.800
|
2.11
|
1.00
|
2.77
|
1.27
|
3.75
|
1.62
|
4.75
|
1.94
|
7.47
|
2.55
|
|
20
|
3/4
|
26.7
|
1.65
|
1.03
|
2.11
|
1.28
|
2.87
|
1.68
|
3.91
|
2.20
|
5.54
|
2.89
|
7.82
|
3.63
|
|
25
|
1
|
33.4
|
1.65
|
1.30
|
2.77
|
2.09
|
3.38
|
2.50
|
4.55
|
3.20
|
6.35
|
4.24
|
9.09
|
5.45
|
|
32
|
1.1/4
|
42.2
|
1.65
|
1.65
|
2.77
|
2.70
|
3.56
|
3.38
|
4.85
|
4.47
|
6.35
|
5.61
|
9.70
|
7.77
|
|
40
|
1.1/2
|
48.3
|
1.65
|
1.91
|
2.77
|
3.11
|
3.68
|
4.05
|
5.08
|
5.41
|
7.14
|
7.25
|
10.16
|
9.54
|
|
50
|
2
|
60.3
|
1.65
|
2.40
|
2.77
|
3.93
|
3.91
|
5.44
|
5.54
|
7.48
|
8.74
|
11.1
|
11.07
|
13.44
|
|
65
|
2.1/2
|
73.0
|
2.11
|
3.69
|
3.05
|
5.26
|
5.16
|
8.63
|
7.01
|
11.4
|
9.53
|
14.9
|
14.2
|
20.39
|
|
80
|
3
|
88.9
|
2.11
|
4.51
|
3.05
|
6.45
|
5.49
|
11.30
|
7.62
|
15.2
|
11.1
|
21.3
|
15.24
|
27.65
|
|
100
|
4
|
114.3
|
2.11
|
5.84
|
3.05
|
8.36
|
6.02
|
16.07
|
8.56
|
22.3
|
13.49
|
33.54
|
17.12
|
41.03
|
|
125
|
5
|
141.3
|
2.77
|
9.47
|
3.40
|
11.57
|
6.55
|
21.8
|
9.53
|
31.97
|
15.88
|
49.11
|
19.05
|
57.43
|
|
150
|
6
|
168.3
|
2.77
|
11.32
|
3.40
|
13.84
|
7.11
|
28.3
|
10.97
|
42.7
|
18.2
|
67.56
|
21.95
|
79.22
|
|
200
|
8
|
219.1
|
2.77
|
14.79
|
3.76
|
19.96
|
8.18
|
42.6
|
12.7
|
64.6
|
23.0
|
111.2
|
22.23
|
107.8
|
|
250
|
10
|
273.1
|
3.40
|
22.63
|
4.19
|
27.78
|
9.27
|
60.5
|
12.7
|
96.0
|
28.6
|
172.4
|
25.40
|
155.15
|
|
300
|
12
|
323.9
|
3.96
|
31.25
|
4.57
|
36.00
|
9.52
|
73.88
|
12.7
|
132.0
|
33.32
|
238.76
|
25.40
|
186.97
|
|
350
|
14
|
355.6
|
3.96
|
34.36
|
4.78
|
41.3
|
11.13
|
94.59
|
19.05
|
158.08
|
35.71
|
281.70
|
-
|
-
|
|
400
|
16
|
406.4
|
4.19
|
41.56
|
4.78
|
47.29
|
12.7
|
123.30
|
21.41
|
203.33
|
40.46
|
365.11
|
-
|
-
|
|
450
|
18
|
457.2
|
4.19
|
46.80
|
4.78
|
53.42
|
14.27
|
155.80
|
23.8
|
254.36
|
45.71
|
466.40
|
-
|
-
|
|
500
|
20
|
508.0
|
4.78
|
59.25
|
5.54
|
68.71
|
15.09
|
183.42
|
26.19
|
311.2
|
49.99
|
564.68
|
-
|
-
|
|
600
|
24
|
609.6
|
5.54
|
82.47
|
6.35
|
94.45
|
17.48
|
255.41
|
30.96
|
442.08
|
59.54
|
808.22
|
-
|
-
|
Seamless Pipes are manufactured from solid billets without any welding joints, offering superior strength, uniformity, and resistance to pressure and corrosion. These pipes are ideal for critical applications in high-temperature and high-pressure environments such as oil & gas, power generation, and petrochemicals.
Seamless Tubes are precision-engineered hollow cylinders manufactured without any welded joints, ensuring superior strength, dimensional accuracy, and smooth internal finishes. Ideal for applications involving heat exchangers, instrumentation, and high-pressure systems, they are preferred where performance and safety are critical.
Welded Pipes are manufactured by rolling and welding flat steel plates or coils into cylindrical shapes, making them ideal for transporting fluids and gases in medium to low-pressure applications. They offer cost efficiency, consistent wall thickness, and are available in larger diameters compared to seamless pipes.
Welded Tubes are produced by cold-forming flat strips or coils and then welding the seams longitudinally. They offer excellent dimensional accuracy, surface finish, and are preferred for structural, mechanical, and decorative applications in low to moderate pressure systems.
Electric Fusion Welded (EFW) Pipes are manufactured by rolling metal plates and electrically fusing the seam longitudinally. These pipes are widely used in high-temperature and corrosive environments, particularly where seamless pipes are not economical or required.
Electric Resistance Welded (ERW) Pipes & Tubes are produced by rolling metal and welding it longitudinally using electric resistance. Known for their uniform wall thickness, cost-effectiveness, and structural strength, ERW pipes are widely used in general engineering, water transport, scaffolding, and fencing applications.
Pipes & Tubes play a crucial role in transporting fluids, gases, and structural support across a wide range of industries, from energy and construction to pharmaceuticals and marine.
Used in offshore and onshore pipelines, drilling operations, and refinery systems for safe and efficient fluid transport under pressure.
Essential in corrosive and high-temperature process pipelines, reactors, and storage systems for chemical handling.
Used in superheated steam lines, boiler tubes, condenser systems, and turbine piping in thermal and nuclear plants.
Utilized as structural members in bridges, scaffolding, industrial sheds, and architectural frameworks.
Applied in ship piping, ballast systems, bilge lines, and exhaust manifolds due to their corrosion and impact resistance.
Used for sanitary fluid transport and clean-in-place systems requiring contamination-free, polished piping networks.