Nashv International Products
Industrial Pipe And Tubes
Industrial Pipes and Tubes are essential components for the safe transportation of fluids, gases, and for structural applications across diverse industries. At Nashv International, we specialize in supplying high-quality industrial pipes and tubes engineered to perform reliably under high pressure, temperature, and corrosive environments.
Our product range is sourced from globally approved manufacturers and complies with international quality and safety standards. With strict quality control and full material traceability, we ensure dependable performance for both standard and critical applications.
Product Range
We supply Seamless, Welded, ERW, EFW, and Fabricated Pipes & Tubes in a wide variety of:
- Sizes & diameters
- Wall thicknesses
- Pressure ratings
- Material grades
Our strong sourcing network enables us to support ex-stock and project-based requirements with consistent quality.
Material Grades Available
- Stainless Steel (SS): 304, 316L, 321, 317, 347H, 310S, 904L
- Duplex & Super Duplex: 2205, 2507
- High Alloy Grades: 254Mo, 253MA, 1.4828, 1.4529
- Alloy Steel
- Mild Steel (MS)
- Galvanized & Coated Pipes
✔ Custom grades and specifications available as per project requirements
Technical Dimensions
- OD Range: 6 mm – 762 mm
- Wall Thickness: 0.5 mm – 50 mm
- Length: Up to 18,000 mm
Types We Supply
- Seamless Pipes & Tubes
- Welded Pipes
- ERW / HFW Pipes
- Round, Square & Oval Tubes
- Heat Exchanger Tubes
- Hydraulic & Boiler Tubes
- Structural Pipes
Industries We Serve
- Oil & Gas
- Power & Energy
- Chemical & Petrochemical Plants
- Water Treatment & Process Industries
- Heavy Engineering & Fabrication
- HVAC & Fire Fighting Systems
- Food Processing & Pharmaceutical Manufacturing
Why Nashv International?
- Globally verified and reliable sourcing network
- Consistent quality with MTC (Mill Test Certificates)
- Competitive pricing with assured delivery schedules
- Capability to handle bulk, retail, and project supplies
- Export-standard packaging with full international compliance
Technical Standards
- Stainless Steel Pipes (Welded & Seamless): ASTM A312 / ASTM A312M, ASTM A790 / A790M
- Common Grades: 304 / 304L, 316 / 316L, 2205
Stainless steel pipes are available in a wide range of sizes, supplied ex-stock or on indent, depending on project requirements.
Nominal Pipe Size & Wall Thickness (mm)
| DN | NPS | Outside Diameter (mm) | Sch 5S | Sch 10S | Sch 40S | Sch 80S | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| WT (mm) | Weight (kg/m) | WT (mm) | Weight (kg/m) | WT (mm) | Weight (kg/m) | WT (mm) | Weight (kg/m) | |||
| 6 | ⅛ | 10.3 | 1.24 | 0.28 | 1.73 | 0.37 | 2.41 | 0.47 | ||
| 8 | ¼ | 13.7 | 1.65 | 0.49 | 2.24 | 0.63 | 3.02 | 0.80 | ||
| 10 | ⅜ | 17.1 | 1.65 | 0.63 | 2.31 | 0.84 | 3.20 | 1.10 | ||
| 15 | ½ | 21.3 | 1.65 | 0.80 | 2.11 | 1.00 | 2.77 | 1.27 | 3.73 | 1.62 |
| 20 | ¾ | 26.7 | 1.65 | 1.02 | 2.11 | 1.28 | 2.87 | 1.69 | 3.91 | 2.20 |
| 25 | 1 | 33.4 | 1.65 | 1.29 | 2.77 | 2.09 | 3.38 | 2.50 | 4.55 | 3.24 |
| 32 | 1¼ | 42.2 | 1.65 | 1.65 | 2.77 | 2.69 | 3.56 | 3.39 | 4.85 | 4.47 |
| 40 | 1½ | 48.3 | 1.65 | 1.90 | 2.77 | 3.11 | 3.68 | 4.05 | 5.08 | 5.41 |
| 50 | 2 | 60.3 | 1.65 | 2.39 | 2.77 | 3.93 | 3.91 | 5.44 | 5.54 | 7.48 |
| 65 | 2½ | 73 | 3.05 | 5.26 | 5.16 | 8.63 | 7.01 | 11.41 | ||
| 80 | 3 | 88.9 | 2.11 | 4.52 | 3.05 | 6.46 | 5.49 | 11.29 | 7.62 | 15.27 |
| 90 | 3½ | 101.6 | 2.11 | 5.18 | 3.05 | 7.41 | 5.74 | 13.57 | 8.08 | 18.64 |
| 100 | 4 | 114.3 | 2.77 | 8.54 | 3.05 | 8.37 | 6.02 | 16.08 | 8.56 | 22.32 |
| 125 | 5 | 141.3 | 2.77 | 11.34 | 3.40 | 11.56 | 6.55 | 21.77 | 10.93 | 30.97 |
| 150 | 6 | 168.3 | 2.77 | 11.31 | 3.40 | 13.83 | 7.11 | 28.26 | 10.97 | 42.62 |
| 200 | 8 | 219.1 | 2.77 | 14.78 | 3.76 | 19.97 | 8.18 | 42.55 | 12.70 | 64.66 |
| 250 | 10 | 273.1 | 2.77 | 22.61 | 4.19 | 27.79 | 9.27 | 60.31 | 12.70 | 89.03 |
| 300 | 12 | 323.9 | 3.96 | 31.25 | 4.57 | 35.99 | 9.53 | 73.88 | 12.70 | 97.47 |
| 350 | 14 | 355.6 | 3.96 | 34.34 | 4.78 | 41.36 | 9.53 | 81.33 | 12.70 | 107.40 |
| 400 | 16 | 406.4 | 4.19 | 41.56 | 4.78 | 47.34 | 9.53 | 93.27 | 12.70 | 123.31 |
| 450 | 18 | 457 | 4.19 | 45.19 | 4.78 | 53.94 | 9.53 | 105.17 | 12.70 | 132.70 |
| 500 | 20 | 508 | 4.78 | 59.32 | 5.54 | 68.65 | 9.53 | 117.15 | 12.70 | 155.13 |
| 550 | 22 | 559 | 4.78 | 65.33 | 5.54 | 75.62 | ||||
| 600 | 24 | 610 | 5.54 | 82.58 | 6.35 | 94.53 | 9.53 | 141.12 | 12.70 | 187.07 |
| 650 | 26 | 660 | ||||||||
| 700 | 28 | 711 | ||||||||
| 750 | 30 | 762 | 6.35 | 118.34 | 7.92 | 147.29 | ||||
ASTM Specification & Tolerance for Tubing & Piping
| ASTM Specification | Nominal Diameter / Range | Allowable Outside Diameter (mm) | Allowable Wall (%) | Exact Length (inch) | Testing / Notes | |||
|---|---|---|---|---|---|---|---|---|
| Over | Under | % Over | % Under | Over | Under | |||
| ASTM-A213 Seamless Boiler Superheater and Heat Exchanger Tubes |
Under 25.4 | 0.1016 | 0.1016 | 20 | 0 | 3.175 | 0 | Flattening Test Tension Test Flare Test Hardness Test 100% Hydrostatic test Refer to ASTM A-450 |
| 25.4–38.1 incl | 0.1524 | 0.1524 | 22 | 0 | 3.175 | 0 | ||
| 38.1–50.8 excl | 0.2032 | 0.2032 | 22 | 0 | 3.176 | 0 | ||
| 50.8–63.5 excl | 0.254 | 0.254 | 22 | 0 | 4.46 | 0 | ||
| 63.5–76.2 excl | 0.3048 | 0.3048 | 22 | 0 | 4.76 | 0 | ||
| 76.2–101.6 incl | 0.381 | 0.381 | 22 | 0 | 4.76 | 0 | ||
| ASTM-A249 Welded Boiler Superheater, Heat Exchanger And Condenser Tubes |
Under 25.4 | 0.1016 | 0.1016 | 10 | -10 | 3.175 | 0 | Tension Test Flattening Test Flange Test Reverse Bend Test Hardness Test 100% Hydrostatic Test |
| 25.4–38.1 incl | 0.1524 | 0.1524 | 10 | -10 | 3.175 | 0 | ||
| 38.1–50.8 excl | 0.2032 | 0.2032 | 10 | -10 | 3.175 | 0 | ||
| 50.8–63.5 excl | 0.254 | 0.254 | 10 | -10 | 4.762 | 0 | ||
| 63.5–76.2 excl | 0.3048 | 0.3048 | 10 | -10 | 4.762 | 0 | ||
| 76.2–101.6 incl | 0.381 | 0.381 | 10 | -10 | 4.762 | 0 | ||
| ASTM-A269 Seamless & Welded Tubing for General Service |
Under 12.7 | 0.13 | 0.13 | 15 | -15 | 3.2 | 0 | Flare Test (Seamless Only) Flange Test (Welded Only) Hardness Test Reverse Flattening Test (Welded only) 100% Hydrostatic Test |
| 12.7–38.1 excl | 0.13 | 0.13 | 10 | -10 | 3.2 | 0 | ||
| 38.1–88.9 excl | 0.25 | 0.25 | 10 | -10 | 4.8 | 0 | ||
| 88.9–139.7 excl | 0.38 | 0.38 | 10 | -10 | 4.8 | 0 | ||
| 139.7–203.2 excl | 0.76 | 0.76 | 10 | -10 | 4.8 | 0 | ||
| ASTM-A270 Seamless & Welded Sanitary Tubing |
25.4 | 0.05 | 0.02 | 10 | -10 | 3.2 | 0 | Reverse flattening Test 100% Hydrostatic Test External polish on all tubes (sanitary) Refer to ASTM A-270 |
| 38.1 | 0.05 | 0.02 | 10 | -10 | 3.2 | 0 | ||
| 50.8 | 0.05 | 0.02 | 10 | -10 | 3.2 | 0 | ||
| 60.5 | 0.05 | 0.02 | 10 | -10 | 3.2 | 0 | ||
| 76.2 | 0.08 | 0.03 | 10 | -10 | 3.2 | 0 | ||
| 101.6 | 0.08 | 0.03 | 10 | -10 | 4.8 | 0 | ||
| ASTM-A312 Seamless & Welded pipe |
3.175–38.1 incl | 0.40 | 0.79 | Minimum wall — 12.5% under nominal wall | 6.4 | 0 | Tension Test Flattening Test 100% Hydrostatic Test Refer to ASTM A-312 |
|
| 38.1–101.6 incl | 0.79 | 0.79 | Minimum wall — 12.5% under nominal wall | 6.4 | 0 | |||
| 101.6–203.2 incl | 1.59 | 0.79 | Minimum wall — 12.5% under nominal wall | 6.4 | 0 | |||
| ASTM-A358 Welded pipe |
219.08–750 mm | 0.50% | — | —0.3 | — | 6 | — | Refer to ASTM A-530 / A-53 as applicable |
Note: This HTML table reproduces the layout and numeric values visible in the provided image. Please verify against your source standard for engineering use.
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