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Pipe & Tube

Prevest Metalloys, headquartered in Mumbai, India, is a trusted manufacturer and exporter of high-quality Pipes & Tubes. We specialize in delivering precision-crafted seamless and welded solutions known for their exceptional strength, corrosion resistance, and durability across diverse industrial applications.

Our extensive product lineup includes black and bright finish pipes, offered in a broad range of sizes, thicknesses, grades, and specifications to suit varied project demands. Whether you're looking for Seamless Pipes, Welded Pipes, Seamless Tubes, Welded Tubes, ERW, or EFW Pipes & Tubes, Prevest Metalloys provides products that are manufactured to meet both national and international quality standards.

We utilize only the finest raw materials, including Stainless Steel, Carbon Steel, Duplex & Super Duplex Steel, Alloy Steel, Nickel Alloys, Titanium, and Copper Nickel, to ensure outstanding performance. Every product undergoes rigorous quality checks and non-destructive testing (NDT) to guarantee dimensional accuracy, mechanical reliability, and corrosion resistance.

Built for critical environments, our Pipes & Tubes are widely used across industries such as Oil & Gas, Petrochemical, Chemical Processing, Power Generation, Pharmaceuticals, Marine, Construction, Automotive, and Aerospace. From fluid handling and structural support to heat exchangers and pressure-based systems, Prevest Metalloys’ products ensure leak-free, dependable, and high-efficiency performance.

We also specialize in providing custom-engineered solutions tailored to your requirements, offering flexibility in outer diameters, wall thicknesses, lengths, surface finishes (such as Polished, Pickled, and Bright Annealed), and specific material grades. With a strong commitment to engineering excellence, product consistency, and customer satisfaction, Prevest Metalloys ensures reliable results for mission-critical applications around the globe.

Pipe Specifications and Standards

Type Material Grades Size Range Wall Thickness Standards
Seamless, Welded, EFW, ERW Stainless Steel SS 304/304L/304H ½” - 24” 1.65mm - 20mm ASTM A312, A213, A249
SS 309/310/310S
SS 316/316L/316Ti
SS 317/317L
SS 321/321H
SS 347/347H
SS 410
SS 446
SS 904L
Seamless, Welded Duplex / Super Duplex Duplex S31803 / S32205 ½” - 24” 1.65mm - 20mm ASTM A790, A928
Super Duplex S32750 / S32760
Seamless, Welded Inconel / Incoloy Inconel 600/601/625/718 ½” - 16” 1.24mm - 12.7mm ASTM B163, B167
Incoloy 800/800HT/825
Seamless, Welded Monel Monel 400/K500 ½” - 14” 1.24mm - 10mm ASTM B165, B725
Seamless, Welded Nickel Nickel 200/201 ½” - 12” 1.24mm - 10mm ASTM B161, B725
Seamless, Welded Hastelloy Hastelloy C22, C276 ½” - 12” 1.24mm - 10mm ASTM B622, B619
Seamless, Welded Alloy 20 Alloy 20 ½” - 12” 1.24mm - 10mm ASTM B729, B464
Seamless Alloy Steel Alloy Steel P5 ½” - 24” 2mm - 20mm ASTM A335
Alloy Steel P9
Alloy Steel P11
Alloy Steel P12
Alloy Steel P22
Alloy Steel P91

Pipe Dimensions and Schedules

Nominal Broe
Outside Diameter
Schedule 5S
Schedule 10S
Schedule 40S
Schedule 80S
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
-
-

Types of Pipes & Tubes

Seamless Pipes

At Prevest Metalloys, our seamless pipes are crafted without any welded joints, making them ideal for high-pressure and high-temperature environments. Produced using advanced hot rolling or cold drawing techniques, these pipes offer precise dimensions and consistent performance. Their excellent strength and corrosion resistance make them suitable for applications in oil & gas, petrochemical, marine, and power generation industries.

  • Joint-free construction ensures high strength and reliability.
  • Ideal for extreme pressure and temperature environments.
  • Offered in stainless steel, carbon steel, and alloy steel variants.
  • Optional protective coatings for enhanced durability.
  • Extensively used in oil & gas, energy, and marine sectors.

Seamless Tubes

Prevest Metalloys manufactures seamless tubes designed for precision, reliability, and strength. With no welded seams, these tubes deliver excellent pressure resistance and uniform structure, making them ideal for critical applications in aerospace, automotive, heat exchangers, and hydraulic systems. Available in stainless steel, carbon steel, and alloy steel options.

  • Seam-free design provides superior mechanical performance.
  • Suited for high-stress and high-precision environments.
  • Manufactured using cold-drawn or hot-rolled processes.
  • Available in steel, alloy, and nickel-based materials.
  • Common in heat exchangers, boilers, and hydraulic systems.

Welded Pipes

Our welded pipes at Prevest Metalloys are created by rolling metal sheets and welding the seams using advanced techniques. These cost-efficient and versatile pipes are ideal for plumbing, structural, and industrial systems. They are known for their dimensional flexibility, corrosion resistance, and suitability for both low and moderate pressure applications.

  • Constructed with high-frequency welding for strong seams.
  • Offered in a range of materials: stainless, carbon, and galvanized steel.
  • Widely used in structural frameworks and fluid transport systems.
  • A more economical option than seamless pipes for general use.
  • Available in various wall thicknesses, diameters, and surface finishes.

Welded Tubes

Prevest Metalloys offers welded tubes crafted by precision welding of rolled metal sheets. These tubes are widely recognized for their strength, cost-efficiency, and adaptability in sectors such as construction, HVAC, and automotive. Thanks to advanced welding technologies, our tubes maintain structural integrity and perform reliably in a range of operating conditions.

  • Engineered with precision welding for optimal seam strength.
  • Made from stainless, carbon, and galvanized steel materials.
  • Suitable for fluid systems, structural applications, and exhaust systems.
  • Cost-efficient substitute to seamless tubes for standard use.
  • Customizable in length, thickness, and finish for project-specific needs.

EFW Pipes

Electric Fusion Welded (EFW) pipes from Prevest Metalloys are manufactured by heating and fusing the edges of rolled metal plates using electric current. These pipes are ideal for high-strength applications, especially where large diameters and superior weld quality are required. Commonly used in oil & gas, structural, and high-temperature services.

  • Precision-welded using electric fusion for robust joint quality.
  • Offered in a variety of grades including stainless and alloy steel.
  • Suitable for structural, pipeline, and thermal fluid systems.
  • Engineered for high-pressure and high-temperature environments.
  • Custom diameters and wall thicknesses available.

ERW Pipes & Tubes

Prevest Metalloys’ ERW (Electric Resistance Welded) pipes and tubes are formed by cold-shaping steel and joining the edges through electric resistance. These products offer consistent wall thickness and high weld integrity, making them reliable for structural supports, water distribution systems, and automotive use. They combine affordability with strength and precision.

  • Produced using electric resistance welding for clean, uniform seams.
  • Available in carbon steel, stainless steel, and coated finishes.
  • Extensively used in building frameworks, water systems, and transport sectors.
  • Delivers an economical and high-performance pipeline solution.
  • Supplied in various specifications to meet industrial standards.

Applications of Pipes & Tubes

At Prevest Metalloys, our pipes and tubes play a vital role across a wide spectrum of industries, valued for their strength, durability, and adaptability in demanding environments. Common areas of application include:

  • Oil & Gas Sector: Used extensively for transporting crude oil, natural gas, and petroleum derivatives in both onshore and offshore facilities.
  • Chemical & Petrochemical Plants: Ideal for the secure conveyance of chemicals, acids, and volatile substances.
  • Power Generation: Installed in high-pressure steam systems across thermal, nuclear, and hydro power stations.
  • Water Management & Plumbing: Utilized in municipal water systems, desalination projects, and wastewater pipelines.
  • Pharmaceutical Production: Critical for the sterile transfer of purified fluids and gases within cleanroom operations.
  • Food & Beverage Processing: Stainless steel tubing ensures hygienic flow of beverages, dairy, and other consumables.
  • Marine & Offshore Engineering: Suited for seawater intake lines, exhaust outlets, and ballast control systems.
  • Construction & Civil Infrastructure: Commonly used in structural frameworks, piling, and utility conduits for smart cities and large-scale developments.