Stainless Steel
Austenitic and ferritic grades for corrosion resistance in chemical, food and process lines.
Product Overview
Pipes & Tubes Stockist and Supplier
Hi-Tech Metal & Tubes stocks and supplies seamless and welded pipes and tubes for process plants, power stations and project contractors across India. Material is available in round, square and rectangular sections.
We hold bulk stock across common grades and schedules, so project and maintenance requirements can be delivered on time and at competitive rates.
- Seamless pipes up to 24" NB
- Welded pipes from 1/2" NB to 60" NB
- IBR and non-IBR supply
- Third party inspection on request
SeamlessUp to 24" NB
Welded1/2" to 60" NB
ShapesRound, Square, Rectangular
ServiceIBR & Non-IBR
Pipes & Tubes Specifications
- Stainless Steel
- ASTM A312, A213, A249, A269, A358, A240
- Carbon Steel
- ASTM A106, ASTM A53, API 5L Gr A, B, C (IBR and Non-IBR)
- Low Temperature
- ASTM A333 Gr 1 to 6, ASTM A334
- Alloy Steel
- ASTM A335 Gr P1, P2, P5, P9, P11, P22, P91, ASTM A213 tubes, BS 3604, BS 3059, DIN 17175
- Nickel Alloys
- Hastelloy, Alloy 904L, Titanium and other special alloys
- Copper Alloys
- Aluminium, Copper, Brass and Gunmetal
- Type
- Seamless and Welded
- Shape
- Round, Square, Rectangular
- Size
- Seamless up to 24" NB. Welded 1/2" NB to 60" NB
- Inspection
- Third party inspection available, including Bureau Veritas, DNV, Lloyds, EIL and IBR
Pipes & Tubes Grades
Stainless Steel
- 202
- 304
- 304L
- 304H
- 316
- 316L
- 316Ti
- 321
- 321H
- 317
- 317L
- 310
- 310S
- 409
- 410
- 420
- 430
Carbon Steel
- A106 Gr A
- A106 Gr B
- A106 Gr C
- A53 Gr A
- A53 Gr B
- API 5L Gr A
- API 5L Gr B
- API 5L Gr C
Low Temperature Steel
- A333 Gr 1
- A333 Gr 3
- A333 Gr 4
- A333 Gr 6
- A334 Gr 1
- A334 Gr 6
Alloy Steel Pipe
- P1
- P2
- P5
- P9
- P11
- P12
- P22
- P91
Alloy Steel Tube
- T1
- T2
- T5
- T9
- T11
- T12
- T22
BS and DIN
- BS 3604 620-440
- BS 3604 622
- BS 3604 625
- BS 3604 660
- BS 3059 622-490
- BS 3059 243
- DIN 15Mo3
- DIN 13CrMo44
- DIN 10CrMo910
- DIN X20CrMoV121
Materials
Carbon Steel
General service and high temperature pipe for steam, oil, gas and water.
Low Temperature Steel
Impact tested pipe and tube for cold service and cryogenic support lines.
Alloy Steel
Chrome-moly grades for high pressure and high temperature boiler and refinery service.
Nickel and Special Alloys
Hastelloy, Alloy 904L and Titanium for severe corrosive environments.
Copper Alloys
Aluminium, copper, brass and gunmetal tubing for heat transfer and marine use.
Chemical Composition
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| Grade | C | Mn | P | S | Si | Cr | Ni | Mo | Others |
|---|---|---|---|---|---|---|---|---|---|
| Stainless Steel, ASTM A312 | |||||||||
| TP 304 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0 - 20.0 | 8.0 - 11.0 | - | - |
| TP 304L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 18.0 - 20.0 | 8.0 - 13.0 | - | - |
| TP 316 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0 - 18.0 | 11.0 - 14.0 | 2.0 - 3.0 | - |
| TP 316L | 0.035 | 2.00 | 0.045 | 0.030 | 1.00 | 16.0 - 18.0 | 10.0 - 15.0 | 2.0 - 3.0 | - |
| TP 321 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0 - 19.0 | 9.0 - 12.0 | - | Ti 5 x (C + N) min, 0.70 max |
| TP 347 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0 - 19.0 | 9.0 - 13.0 | - | Nb 10 x C min, 1.10 max |
| TP 310S | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 24.0 - 26.0 | 19.0 - 22.0 | - | - |
| Carbon Steel | |||||||||
| A106 Gr A | 0.25 | 0.27 - 0.93 | 0.035 | 0.035 | 0.10 min | 0.40 | 0.40 | 0.15 | Cu 0.40, V 0.08 |
| A106 Gr B | 0.30 | 0.29 - 1.06 | 0.035 | 0.035 | 0.10 min | 0.40 | 0.40 | 0.15 | Cu 0.40, V 0.08 |
| A106 Gr C | 0.35 | 0.29 - 1.06 | 0.035 | 0.035 | 0.10 min | 0.40 | 0.40 | 0.15 | Cu 0.40, V 0.08 |
| A53 Gr A | 0.25 | 0.95 | 0.050 | 0.045 | - | 0.40 | 0.40 | 0.15 | Cu 0.40, V 0.08 |
| A53 Gr B | 0.30 | 1.20 | 0.050 | 0.045 | - | 0.40 | 0.40 | 0.15 | Cu 0.40, V 0.08 |
| Alloy Steel, ASTM A335 | |||||||||
| P5 | 0.15 | 0.30 - 0.60 | 0.025 | 0.025 | 0.50 | 4.00 - 6.00 | - | 0.45 - 0.65 | - |
| P9 | 0.15 | 0.30 - 0.60 | 0.025 | 0.025 | 0.25 - 1.00 | 8.00 - 10.00 | - | 0.90 - 1.10 | - |
| P11 | 0.15 | 0.30 - 0.60 | 0.025 | 0.025 | 0.50 - 1.00 | 1.00 - 1.50 | - | 0.44 - 0.65 | - |
| P22 | 0.15 | 0.30 - 0.60 | 0.025 | 0.025 | 0.50 | 1.90 - 2.60 | - | 0.87 - 1.13 | - |
| P91 | 0.08 - 0.12 | 0.30 - 0.60 | 0.020 | 0.010 | 0.20 - 0.50 | 8.00 - 9.50 | 0.40 | 0.85 - 1.05 | V 0.18 - 0.25, Nb 0.06 - 0.10, N 0.03 - 0.07 |
Values are for reference, as per the relevant standard. Percentages are maximum unless a range or minimum is shown. Actual values are stated on the mill test certificate.
Mechanical Properties
| Grade | Tensile (MPa, min) | Yield (MPa, min) | Elongation (%, min) |
|---|---|---|---|
| Stainless Steel, ASTM A312 | |||
| TP 304 | 515 | 205 | 35 |
| TP 304L | 485 | 170 | 35 |
| TP 316 | 515 | 205 | 35 |
| TP 316L | 485 | 170 | 35 |
| TP 321 | 515 | 205 | 35 |
| TP 347 | 515 | 205 | 35 |
| TP 310S | 515 | 205 | 35 |
| Carbon Steel | |||
| A106 Gr A | 330 | 205 | 35 |
| A106 Gr B | 415 | 240 | 30 |
| A106 Gr C | 485 | 275 | 30 |
| A53 Gr A | 331 | 207 | 36 |
| A53 Gr B | 413 | 240 | 29.5 |
| Alloy Steel, ASTM A335 | |||
| P5 | 415 | 205 | 30 |
| P9 | 415 | 205 | 30 |
| P11 | 415 | 205 | 30 |
| P22 | 415 | 205 | 30 |
| P91 | 585 | 415 | 20 |
Elongation values are longitudinal.
Dimension Chart
Pipe Wall Thickness Chart (mm), ASME B36.10 and B36.19
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| NPS (in) | DN | OD (mm) | Sch 5S | Sch 10S | Sch 40 | STD | Sch 80 | XS | Sch 160 | XXS |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 6 | 10.3 | - | 1.24 | 1.73 | 1.73 | 2.41 | 2.41 | - | - |
| 1/4 | 8 | 13.7 | - | 1.65 | 2.24 | 2.24 | 3.02 | 3.02 | - | - |
| 3/8 | 10 | 17.1 | - | 1.65 | 2.31 | 2.31 | 3.20 | 3.20 | - | - |
| 1/2 | 15 | 21.3 | 1.65 | 2.11 | 2.77 | 2.77 | 3.73 | 3.73 | 4.78 | 7.47 |
| 3/4 | 20 | 26.7 | 1.65 | 2.11 | 2.87 | 2.87 | 3.91 | 3.91 | 5.56 | 7.82 |
| 1 | 25 | 33.4 | 1.65 | 2.77 | 3.38 | 3.38 | 4.55 | 4.55 | 6.35 | 9.09 |
| 1 1/4 | 32 | 42.2 | 1.65 | 2.77 | 3.56 | 3.56 | 4.85 | 4.85 | 6.35 | 9.70 |
| 1 1/2 | 40 | 48.3 | 1.65 | 2.77 | 3.68 | 3.68 | 5.08 | 5.08 | 7.14 | 10.15 |
| 2 | 50 | 60.3 | 1.65 | 2.77 | 3.91 | 3.91 | 5.54 | 5.54 | 8.74 | 11.07 |
| 2 1/2 | 65 | 73.0 | 2.11 | 3.05 | 5.16 | 5.16 | 7.01 | 7.01 | 9.53 | 14.02 |
| 3 | 80 | 88.9 | 2.11 | 3.05 | 5.49 | 5.49 | 7.62 | 7.62 | 11.13 | 15.24 |
| 3 1/2 | 90 | 101.6 | 2.11 | 3.05 | 5.74 | 5.74 | 8.08 | 8.08 | - | 16.15 |
| 4 | 100 | 114.3 | 2.11 | 3.05 | 6.02 | 6.02 | 8.56 | 8.56 | 13.49 | 17.12 |
| 5 | 125 | 141.3 | 2.77 | 3.40 | 6.55 | 6.55 | 9.53 | 9.53 | 15.88 | 19.05 |
| 6 | 150 | 168.3 | 2.77 | 3.40 | 7.11 | 7.11 | 10.97 | 10.97 | 18.26 | 21.95 |
| 8 | 200 | 219.1 | 2.77 | 3.76 | 8.18 | 8.18 | 12.70 | 12.70 | 23.01 | 22.23 |
| 10 | 250 | 273.1 | 3.40 | 4.19 | 9.27 | 9.27 | 15.09 | 12.70 | 28.58 | 25.40 |
| 12 | 300 | 323.9 | 3.96 | 4.57 | 10.31 | 9.53 | 17.48 | 12.70 | 33.32 | 25.40 |
| 14 | 350 | 355.6 | 3.96 | 4.78 | 11.13 | 9.53 | 19.05 | 12.70 | 35.71 | - |
| 16 | 400 | 406.4 | 4.19 | 4.78 | 12.70 | 9.53 | 21.44 | 12.70 | 40.49 | - |
| 18 | 450 | 457.0 | 4.19 | 4.78 | 14.27 | 9.53 | 23.83 | 12.70 | 45.24 | - |
| 20 | 500 | 508.0 | 4.78 | 5.54 | 15.09 | 9.53 | 26.19 | 12.70 | 50.01 | - |
| 24 | 600 | 610.0 | 5.54 | 6.35 | 17.48 | 9.53 | 30.96 | 12.70 | 59.54 | - |
Pipe Weight Chart (kg/m), Carbon Steel
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| NPS (in) | DN | OD (mm) | Sch 5S | Sch 10S | Sch 40 | STD | Sch 80 | XS | Sch 160 | XXS |
|---|---|---|---|---|---|---|---|---|---|---|
| 1/8 | 6 | 10.3 | - | 0.28 | 0.37 | 0.37 | 0.47 | 0.47 | - | - |
| 1/4 | 8 | 13.7 | - | 0.49 | 0.63 | 0.63 | 0.80 | 0.80 | - | - |
| 3/8 | 10 | 17.1 | - | 0.63 | 0.84 | 0.84 | 1.10 | 1.10 | - | - |
| 1/2 | 15 | 21.3 | 0.80 | 1.00 | 1.27 | 1.27 | 1.62 | 1.62 | 1.95 | 2.55 |
| 3/4 | 20 | 26.7 | 1.02 | 1.28 | 1.69 | 1.69 | 2.20 | 2.20 | 2.90 | 3.64 |
| 1 | 25 | 33.4 | 1.29 | 2.09 | 2.50 | 2.50 | 3.24 | 3.24 | 4.24 | 5.45 |
| 1 1/4 | 32 | 42.2 | 1.65 | 2.69 | 3.39 | 3.39 | 4.47 | 4.47 | 5.61 | 7.77 |
| 1 1/2 | 40 | 48.3 | 1.90 | 3.11 | 4.05 | 4.05 | 5.41 | 5.41 | 7.25 | 9.55 |
| 2 | 50 | 60.3 | 2.39 | 3.93 | 5.44 | 5.44 | 7.48 | 7.48 | 11.11 | 13.44 |
| 2 1/2 | 65 | 73.0 | 3.69 | 5.26 | 8.63 | 8.63 | 11.41 | 11.41 | 14.92 | 20.39 |
| 3 | 80 | 88.9 | 4.52 | 6.46 | 11.29 | 11.29 | 15.27 | 15.27 | 21.35 | 27.68 |
| 3 1/2 | 90 | 101.6 | 5.18 | 7.41 | 13.57 | 13.57 | 18.63 | 18.63 | - | 34.03 |
| 4 | 100 | 114.3 | 5.84 | 8.37 | 16.07 | 16.07 | 22.32 | 22.32 | 33.54 | 41.03 |
| 5 | 125 | 141.3 | 9.46 | 11.56 | 21.77 | 21.77 | 30.97 | 30.97 | 49.11 | 57.43 |
| 6 | 150 | 168.3 | 11.31 | 13.83 | 28.26 | 28.26 | 42.56 | 42.56 | 67.56 | 79.22 |
| 8 | 200 | 219.1 | 14.78 | 19.97 | 42.55 | 42.55 | 64.64 | 64.64 | 111.27 | 107.92 |
| 10 | 250 | 273.1 | 22.61 | 27.79 | 60.31 | 60.31 | 96.01 | 81.55 | 172.33 | 155.15 |
| 12 | 300 | 323.9 | 31.24 | 35.99 | 79.73 | 73.88 | 132.08 | 97.46 | 238.76 | 186.97 |
| 14 | 350 | 355.6 | 34.34 | 41.35 | 94.55 | 81.33 | 158.10 | 107.39 | 281.70 | - |
| 16 | 400 | 406.4 | 41.56 | 47.34 | 123.30 | 93.27 | 203.53 | 123.30 | 365.36 | - |
| 18 | 450 | 457.0 | 46.79 | 53.31 | 155.80 | 105.16 | 254.55 | 139.15 | 459.37 | - |
| 20 | 500 | 508.0 | 59.32 | 68.64 | 183.42 | 117.15 | 311.17 | 155.12 | 564.81 | - |
| 24 | 600 | 610.0 | 82.58 | 94.53 | 255.41 | 141.12 | 442.08 | 187.06 | 808.22 | - |
Weights are calculated from OD and wall thickness for carbon steel. Multiply by 1.01 for austenitic stainless steel.
Mild Steel Pipe: Light, Medium and Heavy Class
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| NB (mm) | NB (in) | OD (mm) | Light Wall (mm) | Light (kg/m) | Medium Wall (mm) | Medium (kg/m) | Heavy Wall (mm) | Heavy (kg/m) |
|---|---|---|---|---|---|---|---|---|
| 6 | 1/8 | 10.32 | 1.80 | 0.361 | 2.00 | 0.407 | 2.65 | 0.493 |
| 8 | 1/4 | 13.49 | 1.80 | 0.517 | 2.35 | 0.650 | 2.90 | 0.769 |
| 10 | 3/8 | 17.10 | 1.80 | 0.674 | 2.35 | 0.852 | 2.90 | 1.020 |
| 15 | 1/2 | 21.43 | 2.00 | 0.952 | 2.65 | 1.122 | 3.25 | 1.450 |
| 20 | 3/4 | 27.20 | 2.35 | 1.410 | 2.65 | 1.580 | 3.25 | 1.900 |
| 25 | 1 | 33.80 | 2.65 | 2.010 | 3.25 | 2.440 | 4.05 | 2.970 |
| 32 | 1 1/4 | 42.90 | 2.65 | 2.580 | 3.25 | 3.140 | 4.05 | 3.840 |
| 40 | 1 1/2 | 48.40 | 2.90 | 3.250 | 3.25 | 3.610 | 4.05 | 4.430 |
| 50 | 2 | 60.30 | 2.90 | 4.110 | 3.65 | 5.100 | 4.47 | 6.170 |
| 65 | 2 1/2 | 76.20 | 3.25 | 5.840 | 3.65 | 6.610 | 4.47 | 7.900 |
| 80 | 3 | 88.90 | 3.25 | 6.810 | 4.05 | 8.470 | 4.85 | 10.100 |
| 100 | 4 | 114.30 | 3.65 | 9.890 | 4.50 | 12.100 | 5.40 | 14.400 |
| 125 | 5 | 139.70 | - | - | 4.85 | 16.200 | 5.40 | 17.800 |
| 150 | 6 | 165.10 | - | - | 4.85 | 19.200 | 5.40 | 21.200 |
Large Bore Mild Steel Pipe Weight (kg/m)
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| Wall (mm) | 7" NB (OD 193.7) | 8" NB (OD 219.1) | 10" NB (OD 273) | 12" NB (OD 323.7) | 14" NB (OD 355.6) | 16" NB (OD 406.4) | 18" NB (OD 457) | 20" NB (OD 508) |
|---|---|---|---|---|---|---|---|---|
| 4.85 | 22.59 | 25.62 | 32.07 | 38.13 | - | - | - | - |
| 5.20 | 24.17 | 27.43 | 34.34 | 40.84 | - | - | - | - |
| 5.60 | 26.00 | 29.28 | 36.93 | 43.93 | 48.11 | - | - | - |
| 6.00 | 27.88 | 31.53 | 39.50 | 47.02 | 51.49 | 61.00 | 69.00 | - |
| 6.35 | 29.34 | 33.28 | 41.73 | 49.67 | 54.43 | 62.35 | 70.50 | 78.50 |
| 7.01 | 32.27 | 36.76 | 46.43 | 55.45 | 61.82 | 69.04 | - | - |
| 7.94 | - | 41.00 | 50.95 | 61.85 | 67.98 | 77.92 | 87.80 | - |
| 8.18 | - | 42.56 | 53.42 | 65.12 | - | - | - | - |
| 9.53 | - | 51.50 | 60.24 | 73.75 | 81.21 | 93.13 | 105.00 | 117.00 |
| 12.70 | - | - | - | - | 107.28 | 123.30 | 139.00 | 155.00 |
Applications
Oil & Gas
Process, utility and transfer lines in refineries and petrochemical plants.
Power Plants
Boiler, superheater and steam piping in high temperature service.
Chemical Processing
Corrosion resistant lines for fertilizer and chemical plants.
Water Treatment
Treatment, distribution and desalination pipework.
MEP & HVAC
Chilled water, fire protection and building service lines.
Data Centers
Cooling water and utility pipework for data centre projects.
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