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info@mokshtubes.com

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Industrial Boiler & Heat Exchanger Tubes

Boiler & Heat Exchanger Tubes

Boiler & Heat Exchanger Tubes

Boiler & Heat Exchanger Tubes are essential components in thermal power plants, petrochemical plants, refineries, and process industries. They are designed to withstand extreme temperatures, pressures, and corrosive environments while ensuring efficient heat transfer.

Made from high grade stainless steel, carbon steel, alloy steel, and specialty alloys, these tubes are manufactured to strict tolerances and international quality standards (ASTM, ASME, DIN, EN).

Moksh Tubes & Fittings LLP, we produce boiler and heat exchanger tubes using advanced cold-drawing, seamless forming, and welding technologies to deliver precision, durability, and performance. Our tubes are trusted worldwide for use in boilers, superheaters, condensers, heat exchangers, and other critical systems.

Specifications

Category Details
Material Stainless Steel, Duplex & Super Duplex Steel, Nickel Alloys, Inconel, Monel, Titanium, Copper Alloys, Alloy Steel, Carbon Steel
Grades ASTM/ASME certified – available in all mentioned alloys
Outer Diameter (OD) 6 mm to 219 mm (¼” to 8” NB)
Wall Thickness 0.5 mm to 12.7 mm (standard & custom schedules)
Lengths Up to 12 meters or cut-to-length as per project needs
Finishes Bright Annealed, Pickled & Passivated, Electro Polished, Matte
Type Seamless, Welded (ERW, EFW), U-Bent Tubes
Standards ASTM A179, A192, A213, A249, A269, A333, ASME SA213, EN 10216, DIN standards
Applications Boilers, Heat Exchangers, Superheaters, Condensers, Economizers

Charts

Office Address: 92E, Plot No. 3, New Tank Bunder, Darukhana, Mumbai, Maharashtra- 400 010.

Weight Chart

Nominal Bore Chart Outside Diameter (O.D)
(mm)		 Schedule 5C Schedule 10C Schedule 40C Schedule 80C Schedule 160C Schedule XXC
mm inches Wt Weight Wt Weight Wt Weight Wt Weight Wt Weight Wt Weight
3 1/8 10.3 0.2 0.01 0.3 0.02 0.4 0.03 0.6 0.04 0.8 0.06 1.0 0.07
6 1/4 13.7 0.2 0.02 0.3 0.03 0.4 0.04 0.6 0.06 0.8 0.08 1.0 0.10
10 3/8 17.1 0.2 0.03 0.3 0.04 0.4 0.06 0.6 0.08 0.8 0.11 1.0 0.14
15 1/2 21.3 0.2 0.04 0.3 0.06 0.4 0.08 0.6 0.12 0.8 0.16 1.0 0.20
20 3/4 26.7 0.2 0.06 0.3 0.09 0.4 0.12 0.6 0.17 0.8 0.22 1.0 0.28
25 1 33.4 0.2 0.08 0.3 0.12 0.4 0.17 0.6 0.25 0.8 0.33 1.0 0.41
32 1 1/4 42.2 0.2 0.13 0.3 0.19 0.4 0.26 0.6 0.38 0.8 0.50 1.0 0.62
40 1 1/2 48.3 0.2 0.16 0.3 0.24 0.4 0.32 0.6 0.48 0.8 0.63 1.0 0.78
50 2 60.3 0.2 0.24 0.3 0.36 0.4 0.47 0.6 0.70 0.8 0.93 1.0 1.17
65 2 1/2 73.0 0.2 0.33 0.3 0.49 0.4 0.65 0.6 0.97 0.8 1.29 1.0 1.63
80 3 88.9 0.2 0.47 0.3 0.70 0.4 0.93 0.6 1.40 0.8 1.87 1.0 2.36
100 4 114.3 0.2 0.77 0.3 1.14 0.4 1.52 0.6 2.27 0.8 3.04 1.0 3.82
125 5 141.3 0.2 1.17 0.3 1.72 0.4 2.30 0.6 3.42 0.8 4.58 1.0 5.76
150 6 168.3 0.2 1.63 0.3 2.41 0.4 3.23 0.6 4.79 0.8 6.38 1.0 8.02

Size Charts

Schedule 5C – Size Chart (ASME B36.10)

NB (mm) NPS (inches) OD (mm) Wall Thickness (mm) Weight (kg/m)
3 1/8" 10.3 1.24 0.276
6 1/4" 13.7 1.24 0.390
10 3/8" 17.1 1.24 0.490
15 1/2" 21.3 1.65 0.800
20 3/4" 26.7 1.65 1.030
25 1" 33.4 1.65 1.300
32 1 1/4" 42.2 1.65 1.650
40 1 1/2" 48.3 1.65 1.910
50 2" 60.3 1.65 2.400
65 2 1/2" 73.0 2.11 3.690
80 3" 88.9 2.11 4.510
100 4" 114.3 2.11 5.840
125 5" 141.3 2.77 9.470
150 6" 168.3 2.77 11.320
200 8" 219.1 2.77 14.790
250 10" 273.1 3.40 22.630
300 12" 323.9 3.96 31.250
350 14" 355.6 3.96 34.360
400 16" 406.4 4.19 41.560
450 18" 457.2 4.19 46.800
500 20" 508.0 4.78 59.250
600 24" 609.6 5.54 82.470

Schedule 10C – Size Chart (ASME B36.10)

NPS (inches) NB (mm) OD (mm) Wall Thickness (mm) Internal Diameter (mm) Weight (kg/m)
1/8 3 10.30 1.24 7.82 0.28
1/4 6 13.70 1.24 11.22 0.39
3/8 10 17.10 1.24 14.62 0.49
1/2 15 21.30 1.65 18.00 0.81
3/4 20 26.70 1.65 23.40 1.04
1 25 33.40 1.65 30.10 1.32
1 1/4 32 42.20 1.65 38.90 1.68
1 1/2 40 48.30 1.65 45.00 1.93
2 50 60.30 1.65 57.00 2.43
2 1/2 65 73.00 1.65 69.70 2.96
3 80 88.90 1.65 85.60 3.62
4 100 114.30 1.65 111.00 4.67
5 125 141.30 1.65 138.00 5.79
6 150 168.30 1.65 165.00 6.91
8 200 219.10 2.11 214.88 11.51
10 250 273.10 2.77 267.56 18.81
12 300 323.90 3.05 317.80 24.59
14 350 355.60 3.40 348.80 30.10
16 400 406.40 3.40 399.60 34.44
18 450 457.20 3.80 449.60 43.28
20 500 508.00 3.80 500.40 48.15
24 600 609.60 4.00 601.60 60.92

Schedule 40C – Size Chart (ASME B36.10)

NPS (inches) NB (mm) OD (mm) Wall Thickness (mm) Weight (kg/m)
1/8 3 10.3 1.73 0.37
1/4 6 13.7 2.24 0.64
3/8 10 17.1 2.31 0.86
1/2 15 21.3 2.77 1.27
3/4 20 26.7 2.87 1.70
1 25 33.4 3.38 2.46
1 1/4 32 42.2 3.56 3.61
1 1/2 40 48.3 3.68 4.18
2 50 60.3 3.91 5.44
2 1/2 65 73.0 5.16 8.63
3 80 88.9 5.49 11.29
4 100 114.3 6.02 17.15
5 125 141.3 6.55 23.85
6 150 168.3 7.11 30.7
8 200 219.1 8.18 49.56
10 250 273.1 9.27 73.5
12 300 323.9 10.31 95.54
14 350 355.6 11.13 112.63
16 400 406.4 12.7 144.27
18 450 457.2 14.27 179.28
20 500 508.0 15.09 213.93
24 600 609.6 15.88 274.06

Schedule 80C – Size Chart (ASME B36.19)

NPS (inches) NB (mm) OD (mm) Wall Thickness (mm) Weight (kg/m)
1/8 3 10.3 1.73 0.37
1/4 6 13.7 3.02 0.83
3/8 10 17.1 3.2 1.13
1/2 15 21.3 3.73 1.63
3/4 20 26.7 3.91 2.3
1 25 33.4 4.55 3.38
1 1/4 32 42.2 4.85 4.84
1 1/2 40 48.3 5.08 5.61
2 50 60.3 5.54 7.48
2 1/2 65 73.0 7.01 11.76
3 80 88.9 7.62 15.74
4 100 114.3 8.56 25.1
5 125 141.3 9.53 36.46
6 150 168.3 10.97 49.56
8 200 219.1 12.7 77.1
10 250 273.1 15.09 114.0
12 300 323.9 17.48 153.0
14 350 355.6 19.05 180.0
16 400 406.4 21.44 227.5
18 450 457.2 23.83 282.5
20 500 508.0 26.18 342.0
24 600 609.6 30.96 480.0

Schedule 160C – Size Chart (ASME B36.10)

NPS (inches) NB (mm) OD (mm) Wall Thickness (mm) Weight (kg/m)
1/8 3 10.3 2.41 0.49
1/4 6 13.7 3.02 0.83
3/8 10 17.1 3.2 1.13
1/2 15 21.3 4.09 1.75
3/4 20 26.7 4.55 2.63
1 25 33.4 6.35 4.51
1 1/4 32 42.2 6.35 6.12
1 1/2 40 48.3 7.14 7.92
2 50 60.3 8.71 11.06
2 1/2 65 73.0 9.53 14.9
3 80 88.9 11.13 21.31
4 100 114.3 13.49 34.35
5 125 141.3 15.88 53.3
6 150 168.3 18.26 75.53
8 200 219.1 23.01 123.9
10 250 273.1 28.58 190.5
12 300 323.9 33.32 268.0
14 350 355.6 35.71 327.0
16 400 406.4 40.49 429.5
18 450 457.2 45.24 544.0
20 500 508.0 50.01 677.5
24 600 609.6 59.54 997.0

Schedule XXC – Size Chart (ASME B36.10)

NPS (inches) NB (mm) OD (mm) Wall Thickness (mm) Weight (kg/m)
1/8 3 10.3 2.41 0.49
1/4 6 13.7 3.02 0.83
3/8 10 17.1 3.2 1.13
1/2 15 21.3 4.78 1.98
3/4 20 26.7 6.02 3.32
1 25 33.4 7.47 5.25
1 1/4 32 42.2 9.09 8.26
1 1/2 40 48.3 10.15 10.68
2 50 60.3 11.07 14.82
2 1/2 65 73.0 13.49 21.56
3 80 88.9 15.24 29.83
4 100 114.3 18.26 47.17
5 125 141.3 21.95 70.65
6 150 168.3 25.4 99.57
8 200 219.1 28.58 144.45
10 250 273.1 31.75 202.0
12 300 323.9 36.53 281.25
14 350 355.6 38.89 338.0
16 400 406.4 44.45 442.5
18 450 457.2 50.01 562.0
20 500 508.0 55.56 697.0
24 600 609.6 63.5 984.0

Grades Available

Boiler & Heat Exchanger Tubes are offered in a wide range of materials and grades:

Material Grades
Stainless Steel 304, 304L, 316, 316L, 310, 321, 347 for high-temperature resistance.
Duplex & Super Duplex: 2205, S31803, S32750 for high strength and corrosion
Nickel Alloys Inconel 600, 625, 718, Monel 400, K500 for extreme environments.
Alloy Steel T11, T12, T22, T91 for high-pressure boilers.
Carbon Steel ASTM A179, A192 for low and medium-pressure boilers.
Copper Alloys Cu-Ni 70/30, 90/10 for marine heat exchangers and condensers.
Titanium Grades 1, 2 for desalination plants and chemical industries.
NICKLE ALLOYS
NICKLE ALLOYS
STAINLESS STEEL
STAINLESS STEEL
DUPLEX & SUPER
DUPLEX & SUPER
TITANIUM ALLOYS
TITANIUM ALLOYS
RARE TO ALLOYS
RARE TO ALLOYS
CARBON ALLOYS
CARBON ALLOYS

Applications

Boiler & Heat Exchanger Tubes are crucial for industries where efficient heat transfer and mechanical strength are required:

Power Generation
  • Boiler tubes for thermal and nuclear power plants
  • Superheater, reheater, and economizer tubes
Oil, Gas & Petrochemical Industry
  • Heat exchangers and condensers in refineries
  • Process heating and cooling applications
Chemical & Fertilizer Plants
  • Tubing for chemical reactors, cooling towers, and evaporators
Marine & Offshore
  • Cu-Ni and Titanium tubes for seawater condensers
  • Marine boiler and heat exchanger systems
Food & Dairy Processing
  • Hygienic stainless-steel heat exchanger tubes for milk, beverage, and pharma industries
HVAC & Refrigeration
  • Tubes for evaporators, condensers, and chilled water systems
  • Applied in commercial, industrial, and residential climate control solutions

Uses of Boiler & Heat Exchanger Tubes

Boiler & Heat Exchanger Tubes are used extensively across multiple industries, including:

Efficient Heat Transfer

Ensures efficient heat transfer in industrial systems

Extreme Condition Performance

Handles extreme temperature and pressure conditions

Corrosion Resistance

Provides corrosion resistance in aggressive environments

Energy Efficiency Support

Supports energy efficiency in power plants and process industries

Multi-Media Compatibility

Suitable for steam, gas, liquid, and chemical transport in heat systems

Operational Reliability

Delivers long-term reliability and consistent performance in demanding applications

Advantages of Boiler & Heat Exchanger Tubes

High-Temperature Strength

Maintains integrity in boilers and superheaters.

Precision Manufacturing

Tight dimensional tolerances for critical applications.

Corrosion & Oxidation Resistance

Suitable for marine and chemical exposure.

Versatile Material Selection

Stainless, alloy, carbon, copper-nickel & titanium options.

Global Standards Compliance

Manufactured to ASTM, ASME, DIN, EN requirements.

WHY CHOOSE US?

Extensive Stock & Range: Wide inventory of boiler and heat exchanger tubes in multiple grades.
Extensive Stock & Range: Wide inventory of boiler and heat exchanger tubes in multiple grades.
Global Supply Network: Serving power plants, refineries, and industries worldwide.
Quality Assurance: ISO 9001:2015 certified with full compliance to ASTM/ASME.
Timely Dispatch: Efficient production and logistics for on-time delivery.
Customized Solutions: Tailored tubing solutions to meet specific project and industry requirements