Descriptions

Navkar Metal Syndicate supplies precision aluminium pipes and tubes for structural, fluid, and heat-transfer applications. We stock and manufacture seamless and welded (ERW/HF) tubes in popular alloys and tempers—delivering high strength-to-weight, excellent corrosion resistance, and premium surface finish with strict dimensional control.

Why Aluminium from Navkar

  • High strength–to–weight with good toughness and fatigue resistance.
  • Natural corrosion resistance with optional anodizing/powder-coat for marine or architectural use.
  • Excellent thermal/electrical conductivity for HVACR, condensers, bus-ducts, and EV systems.
  • Superior workability—easy to cut, form, bend, weld, and machine.
  • Reliable QA—Mill Test Certificates (EN 10204 3.1), heat/lot traceability, and export-grade packing.

Product Range

  • Manufacturing: Seamless (extruded & drawn), Welded (ERW/HF TIG/MIG), Drawn Over Mandrel (DOM), Fin/serrated & micro-channel (on request)
  • Shapes: Round, Square, Rectangular, Elliptical, Custom Profiles
  • Tempers: O, H112, T4, T5, T6, T651, T66 (alloy dependent)
  • Finishes: Mill, Brushed, Anodized (clear/colours), Powder-coated, Polished

Common Alloys & Use-Cases

Alloy Series Typical Tempers Key Properties Typical Applications
6061 Al-Mg-Si T4 / T6 / T651 Balanced strength, weldable, machinable Frames, jigs, transport structures, marine fittings
6063 Al-Mg-Si T5 / T6 Excellent extrudability & anodizing finish Architectural tubes, handrails, façades
6082 Al-Mg-Si (high Mg) T6 / T651 Higher strength than 6061, good fatigue Heavy structures, cranes, offshore fabrications
5083 Al-Mg (5xxx) O / H111 / H112 Very high corrosion resistance, marine grade Shipbuilding, cryogenic pipes, pressure service (non-heat-treatable)
1100 / 1050 Commercially Pure O / H14 / H18 Highest thermal/electrical conductivity, formable HVACR heat transfer, bus tubes, decorative

Other alloys on request: 3003, 3103, 5086, 5454, 5754, 6101 (electrical), 7005/7020 (structural), etc.

Size Range (Typical)

Round Tubes

  • OD: 6 mm – 300 mm (¼″ – 12″)
  • Wall: 0.5 mm – 25 mm (Sch-thin to heavy)
  • Length: 3 m, 6 m, or cut-to-length

Square / Rectangular

  • Square: 10×10 – 200×200 mm
  • Rectangular: 20×10 – 250×150 mm
  • Wall: 1.0 – 12.5 mm (alloy/temper dependent)

Custom OD/ID, tight tolerances, and near-net extruded profiles are available for volume programs.

Standards & Specifications

  • ASTM/ASME: B221 (extruded), B241/B345 (seamless), B210 (drawn), B483 (welded), SB-* equivalents
  • EN: EN 573 (chemistry), EN 755 (extruded), EN 754 (drawn), EN 485 (flat), EN 10204 3.1 MTC
  • JIS: H 4040 (extruded), H 4045 (drawn)
  • ISO: ISO 6361/209-series (as applicable)

Dimensional Tolerances (Typical)

  • OD: ±0.10–±0.50 mm depending on size/process
  • Wall: ±8–10% (drawn/seamless tighter on request)
  • Straightness: ≤1 mm/m (standard); tighter for heat-exchanger tubes
  • Surface: Ra as extruded/drawn; anodizing-grade finish available

Applications

  • HVACR coils & conduits
  • Heat-exchanger & condenser tubes
  • Automotive & EV bus-bars (6101), roll-cages
  • Architectural handrails & façades (6063)
  • Marine & offshore structures (5083/6082)
  • Compressed air & utility piping
  • Furniture & fixtures
  • General engineering & fabrication
  • Food, pharma & clean-room utilities

Quality Assurance

  • EN 10204 3.1 Mill Test Certificates with chemistry, mechanicals, and dimensional reports
  • Tests: Tensile, Yield, Elongation, Hardness; Eddy-current / Hydro (on request); Anodizing adhesion (where applicable)
  • Weld integrity (for welded tubes): Radiography/DP as agreed
  • Compliance: RoHS/REACH where required

Value-Added Services

  • Cut-to-length, deburring, chamfering
  • Bending, swaging, beading, slotting, perforation
  • Fabrication & sub-assemblies (fixtures, frames)
  • Surface: Anodizing (clear/bronze/black/colours), powder-coating, brushing, polishing
  • CNC machining for end-fittings, manifolds, and headers

Packing & Logistics

  • Seaworthy export packing: end-caps, VCI/oil where applicable, strapped bundles, fumigated pallets
  • Barcoding with heat/lot numbers and size/grade/temper
  • Global delivery with documentation for customs & third-party inspection

Request a Quote

Share alloy, temper, OD/ID or size (square/rect.), wall thickness, length, finish, and applicable standard. Our team will revert with the best lead times and pricing.

Chemical Composition

The following table lists the typical chemical composition (in % by weight) of common aluminium alloys used for pipes and tubes supplied by Navkar Metal Syndicate.

Alloy / Grade Si Fe Cu Mn Mg Cr Zn Ti Others (Each) Others (Total) Al (Balance)
1050 0.25 max 0.40 max 0.05 max 0.05 max 0.05 max 0.07 max 0.05 max 0.03 0.10 99.5 min
1100 0.95 max 0.05–0.20 0.05 max 0.05 max 0.10 max 0.05 max 0.03 0.15 99.0 min
3003 0.60 max 0.70 max 0.05–0.20 1.0–1.5 0.05 max 0.10 max 0.05 max 0.05 0.15 Remainder
5052 0.25 max 0.40 max 0.10 max 0.10 max 2.2–2.8 0.15–0.35 0.10 max 0.03 max 0.03 0.10 Remainder
5083 0.40 max 0.40 max 0.10 max 0.40–1.0 4.0–4.9 0.05–0.25 0.25 max 0.15 max 0.05 0.15 Remainder
6061 0.40–0.80 0.70 max 0.15–0.40 0.15 max 0.80–1.20 0.04–0.35 0.25 max 0.15 max 0.05 0.15 Remainder
6063 0.20–0.60 0.35 max 0.10 max 0.10 max 0.45–0.90 0.10 max 0.10 max 0.10 max 0.05 0.15 Remainder
6082 0.70–1.30 0.50 max 0.10 max 0.40–1.0 0.60–1.20 0.25 max 0.20 max 0.10 max 0.05 0.15 Remainder
6101 0.30–0.70 0.50 max 0.10 max 0.03 max 0.35–0.80 0.03 max 0.10 max 0.03 max 0.03 0.10 Remainder
7075 0.40 max 0.50 max 1.2–2.0 0.30 max 2.1–2.9 0.18–0.28 5.1–6.1 0.20 max 0.05 0.15 Remainder

Note: Values are nominal ranges per ASTM B221, B241, EN 573, and JIS H4000. Exact composition may vary by supplier and process.

Mechanical, Physical & Fabrication Properties

Typical values for common aluminium alloys used in pipes & tubes supplied by Navkar Metal Syndicate. Values are indicative (room temperature) and vary with temper, product form, and specification.

Mechanical & Physical Properties (Typical)

Alloy Common Tempers Tensile Strength UTS (MPa) Yield Strength 0.2% (MPa) Elongation (%) Hardness (HB) Density (g/cm³) Electrical Conductivity (%IACS) Thermal Conductivity (W/m·K) Elastic Modulus (GPa) Melting Range (°C)
1050 O, H14, H24 60–100 20–30 25–40 20–30 2.71 60–62 220–235 69 646–657
1100 O, H12, H14, H18 110–145 45–95 10–35 28–35 2.71 55–60 220–230 69 643–657
3003 O, H14, H24, H32 145–200 65–130 8–30 28–40 2.73 40–45 170–190 69 643–654
5052 O, H32, H34 220–260 130–200 7–18 60–75 2.68 30–35 130–150 70 607–650
5083 O, H111, H116, H321 275–345 125–215 10–17 75–95 2.66 28–33 110–125 71 570–640
6061 O, T4, T6, T651 260–310 (T6 ≈ 290) 240 (T6) 8–12 85–100 2.70 38–43 160–170 69 582–652
6063 T5, T6, T66 190–220 (T6 ≈ 205) 140–170 (T6 ≈ 160) 8–12 65–75 2.70 48–55 190–210 69 615–655
6082 O, T4, T6, T651 290–340 (T6) 240–280 (T6) 6–12 90–105 2.70 35–40 160–180 70 555–650
6101 T1, T6, T61 190–220 (T6/T61) 110–130 8–15 60–80 2.70 52–58 195–210 69 600–655
7075 O, T6, T651, T73 510–570 (T6) 430–505 (T6) 7–11 135–160 2.81 30–36 120–140 72 477–635

Fabrication & Processing (Qualitative)

Alloy Formability Weldability (Fusion) Brazeability Machinability Corrosion Resistance Anodizing (Decorative) Typical Pipe/Tube Uses
1050 Excellent Excellent Good Poor–Fair Excellent (general) Good Heat transfer, ducting, formed coils
1100 Excellent Excellent Good Poor–Fair Excellent (general) Good HVAC tubes, low-stress piping
3003 Very Good Excellent Good Fair Very Good Good Heat exchanger tubes, condenser coils
5052 Good Excellent Fair Fair Excellent (marine) Fair Marine piping, fuel & hydraulic lines
5083 Fair–Good Excellent Fair Fair Outstanding (seawater) Fair Shipbuilding piping, cryogenic lines
6061 Good Good (beware hot cracking) Good Good Good Good General structural tubes, frames
6063 Very Good Good Good Fair–Good Good Excellent Architectural tubes, decorative pipe
6082 Fair–Good Good Good Good Good Good High-strength structural piping
6101 Good Good Good Fair–Good Good Good Electrical bus tubes, conductors
7075 Poor–Fair Poor (generally not welded) Fair Good–Very Good Fair (needs protection) Fair Aerospace/critical, non-welded tube

Notes: (1) Property ranges reflect typical mill data for tube/pipe products. (2) Conductivity shown as %IACS at 20 °C. (3) Welding guidance is general; joint design, filler, and heat input will affect results. (4) For project MTCs, we certify to applicable standards (ASTM/ASME/EN/JIS) and temper.

Applications

Aluminium Pipes and Tubes from Navkar Metal Syndicate are used across a wide range of industries owing to their excellent combination of light weight, strength, corrosion resistance, and aesthetic finish. Below is a detailed table of their common industrial applications.

Industry / Sector Common Alloys Typical Applications Key Advantages
HVAC & Refrigeration 1050, 1100, 3003 Heat exchanger coils, condenser and evaporator tubing, chilled water lines, air-conditioning ducts High thermal conductivity, excellent corrosion resistance, light weight
Architectural & Construction 6063, 6061, 6082 Handrails, façade frameworks, curtain wall supports, window & door frames, decorative tubes Excellent anodizing response, attractive finish, long service life
Marine & Offshore 5052, 5083, 6082 Boat masts, ladders, ship piping, offshore platforms, seawater cooling & hydraulic lines Outstanding resistance to seawater & brine corrosion, non-magnetic, durable
Automotive & Transport 6061, 6063, 6101, 7005, 7075 Chassis tubes, roll cages, roof rails, fuel lines, heat exchangers, crash structures Lightweight for fuel efficiency, high strength-to-weight ratio, easy formability
Electrical & Power Distribution 6101, 6063, 1100 Bus bars, conduits, power transmission tubes, earthing rods Excellent electrical conductivity, non-sparking, economical alternative to copper
Aerospace & Defense 2024, 6061, 7075 Hydraulic lines, fuselage tubing, aircraft fittings, landing gear components High tensile strength, fatigue resistance, low density
Food, Beverage & Pharmaceutical 1050, 1100, 3003, 6063 Dairy and brewery piping, food conveyors, pharmaceutical fluid lines, clean-room frameworks Non-toxic, hygienic, easy to clean, FDA compliant
Furniture & Interior Design 6063, 6061 Modular furniture, decorative trims, tables, light fixtures, curtain rods Light weight, aesthetic anodized finish, easy fabrication
Renewable Energy 6061, 6082, 6101 Solar panel mounting structures, wind turbine components, heat exchanger tubes Corrosion resistant, thermally conductive, recyclable
General Engineering & Fabrication 6061, 6063, 6082, 5052 Machine frames, pneumatic and hydraulic systems, fabrication & structural works Weldable, machinable, durable, excellent dimensional stability

Note: Aluminium pipes & tubes can also be supplied in anodized, powder-coated, brushed, or polished finishes to suit architectural or industrial requirements.

Standards & International Equivalents:

Reference guide to commonly used standards for aluminium pipe & tube across major jurisdictions. Equivalents are indicative and may vary by alloy/temper, dimensional tolerance class, and product form (seamless, extruded, drawn, welded). Always match the exact project specification and latest standard revision.

Product / Form ASTM / ASME (USA) EN (Europe) ISO (International) JIS (Japan) IS (India) DIN (Germany)
Seamless Pipe & Seamless Extruded Tube ASTM B241 / B241M EN 755-8 (extruded tubes) • EN 755-7 (tolerances) ISO 6363-6 (extruded tubes) • ISO 6363-1 (general) JIS H 4040 (seamless tubes/pipes) IS 2672 (extruded round tubes) DIN 17296 (Al tubes, seamless/extruded)
Drawn Seamless Tube (General Engineering) ASTM B210 / B210M EN 754-8 (cold-drawn seamless) • EN 754-7 (tolerances) ISO 6362-6 (drawn tubes) • ISO 6362-1 (general) JIS H 4080 (drawn tubes) IS 2673 (drawn round tubes) DIN 1748 (drawn tubes)
Condenser / Heat-Exchanger Tubes (Drawn Seamless) ASTM B234 EN 754-8 (drawn seamless) • Project-specific HX norms ISO 6362-6 (drawn) • ISO 12241 (HX thermal — ref.) JIS H 4080 (drawn tubes) IS 737/IS 2673 (alloy/temper & drawn tube) DIN 1748 / DIN 1714x (as specified)
Structural Extruded Tube (Round / Square / Rect.) ASTM B221 (extruded bars, profiles & tubes) EN 755-8 (extruded tubes) • EN 755-9 (mechanical props) ISO 6363-6 (extruded tubes) JIS H 4100 / H 4040 (profiles & tubes) IS 733 (extruded bars & profiles) • IS 2672 DIN 17296 / DIN EN 755 series
Precision / Tight-Tolerance Tube (Cold-Worked) ASTM B210 (drawn) • ASTM B483/B483M (drawn tube) EN 754 series (drawn tubes, tolerances & props) ISO 6362 series (drawn products) JIS H 4080 IS 2673 DIN 1748
Seamless Aluminum Pipe (Round, Extruded) ASTM B313 (seamless round extruded pipe) EN 755-8 • EN 755-7 ISO 6363-6 JIS H 4040 IS 2672 DIN 17296
Wrought Fittings for Al Pipe/Tube
(Bends, tees, reducers for aluminium systems)
ASTM B361 EN 754/755 referenced • Project spec ISO 6363/6362 referenced JIS H 5302 (cast) / proj. spec for wrought IS (project-specific) DIN EN 1092 ref. (flanges) • project spec

Notes

  • Alloy & Temper: Specify alloy (e.g., 1050, 3003, 5052, 5083, 6061, 6063, 6101, 6082, 7075) and temper (e.g., O, H112, T4, T5, T6) with the standard.
  • Tolerances: Use EN 754-7 (drawn) or EN 755-7 (extruded) / ISO 286-1 classes as applicable for dimensional tolerances.
  • Revision: Always adopt the latest published edition/errata of the referenced standard.
  • Equivalence: “Equivalents” are functional cross-references; technical parity must be confirmed against chemistry, mechanicals, NDT, and tolerance clauses.

Common Names & International Identifiers

Cross-reference of popular aluminium alloys used for pipes & tubes. Identifiers are indicative; verify exact alloy/temper against the latest standard before ordering.

Common / Trade Name AA / UNS (USA) EN Designation (Europe) ISO Numeric (Example) JIS (Japan) Typical Tempers (Pipe/Tube) Typical Uses
Commercially Pure 1050 AA 1050 • UNS A91050 EN AW-1050A (Al99.5) Al99.5 A1050 O, H14, H24 General purpose, forming, HVAC light tubes
Commercially Pure 1060 AA 1060 • UNS A91060 EN AW-1060 (Al99.6) Al99.6 A1060 O, H14 Electrical, decorative tubing
Commercially Pure 1100 AA 1100 • UNS A91100 EN AW-1100 (Al99.0) Al99.0 A1100 O, H14, H16 Heat exchanger, chemical, architectural
3003 (Al-Mn) AA 3003 • UNS A93003 EN AW-3003 (AlMn1Cu) AlMn1Cu A3003 O, H14, H112 HVAC, condensers, general fabrications
3103 (Al-Mn) AA 3103 • UNS A93103 EN AW-3103 (AlMn1) AlMn1 A3103 O, H14 Building tubes, fin stock, cladding
5005 (Al-Mg) AA 5005 • UNS A95005 EN AW-5005 (AlMg1) AlMg1 A5005 O, H14 Architectural, decorative tube
5052 (Marine Al-Mg) AA 5052 • UNS A95052 EN AW-5052 (AlMg2.5) AlMg2.5 A5052 O, H32, H34, H112 General marine tubing, fuel & air lines
5083 (High-Mg Marine) AA 5083 • UNS A95083 EN AW-5083 (AlMg4.5Mn0.7) AlMg4.5Mn0.7 A5083 O, H111, H112 Pressure tubes, shipbuilding, cryo
5086 (Marine Al-Mg) AA 5086 • UNS A95086 EN AW-5086 (AlMg4) AlMg4 A5086 O, H32, H111 Offshore, vehicular structures
5454 (Al-Mg) AA 5454 • UNS A95454 EN AW-5454 (AlMg3Mn) AlMg3Mn A5454 O, H32, H34 Chemical tanks, hot-service tubes
6060 (Al-Mg-Si) AA 6060 • UNS A96060 EN AW-6060 (AlMgSi) AlMgSi A6060 T5, T6 General extruded tube, frames
6061 (Structural Al-Mg-Si) AA 6061 • UNS A96061 EN AW-6061 (AlMgSiCu) AlMg1SiCu A6061 T4, T6, T6511, H112 Pressure lines, structural pipes
6063 (Architectural Al-Mg-Si) AA 6063 • UNS A96063 EN AW-6063 (AlMg0.7Si) AlMg0.7Si A6063 T5, T6 Decorative/architectural tubes
6063A (High-Si variant) AA 6063A • UNS A96063A EN AW-6063A (AlMg0.7Si) AlMg0.7Si A6063 (spec. variant) T5, T6 Precision extruded tubing
6082 (High-strength Al-Mg-Si) AA 6082 • UNS A96082 EN AW-6082 (AlSi1MgMn) AlSi1MgMn A6082 (when specified) T6, T6511, H112 Structural tube, load-bearing
6101 (Electrical Conductor) AA 6101 • UNS A96101 EN AW-6101 (AlMgSi) AlMgSi A6101 T61, T63 Bus tubes, power applications
6351 (Al-Mg-Si) AA 6351 • UNS A96351 EN AW-6351 (AlSi1Mg0.5Mn0.4) AlSi1Mg0.5Mn0.4 A6351 T5, T6 High-pressure cylinders, structural
7005 (Weldable Al-Zn-Mg) AA 7005 • UNS A97005 EN AW-7005 (AlZn4.5Mg1.5) AlZn4.5Mg1.5 A7005 T5, T6 Lightweight frames, special tubes
7075 (High-strength Al-Zn-Mg-Cu) AA 7075 • UNS A97075 EN AW-7075 (AlZn5.5MgCu) AlZn5.5MgCu A7075 T6, T73 Aerospace tubes (limited, machined)

Notes

  • AA/UNS: AA is the Aluminum Association designation; UNS uses the A9xxxx format.
  • EN: Use with EN 573 (chemical) + EN 755/754 (extruded/drawn tubes) + EN 485 (mechanicals, flat products) as applicable.
  • ISO/JIS: ISO numeric strings are representative family names; JIS uses the “Axxxx” style for alloys.
  • Tempers: Availability by alloy & tube process (extruded, drawn, seamless). Confirm with mill datasheet/MTC.

Common Product Forms & Dimensions

Pipe OD, Wall Thickness & Schedule (Size in Inches & Metric)

Nominal Size (NPS) Outside Dia D (mm) Wall Thickness T (mm) by Schedule Metric Size (mm)
SCH 10S SCH 10 SCH 40S STD Weight SCH 40 SCH 80S SCH 80
1/4" 13.72 1.65 2.24 2.24 2.24 3.02 3.02
3/8" 17.15 1.65 2.31 2.31 2.31 3.20 3.20
1/2" 21.34 2.11 2.77 2.77 2.77 3.73 3.73 15
3/4" 26.67 2.11 2.87 2.87 2.87 3.91 3.91 20
1" 33.40 2.77 3.38 3.38 3.38 4.55 4.55 25
1 1/4" 42.16 2.77 3.56 3.56 3.56 4.85 4.85 32
1 1/2" 48.26 2.77 3.68 3.68 3.68 5.08 5.08 40
2" 60.32 2.77 3.91 3.91 3.91 5.54 5.54 50
2 1/2" 73.02 3.05 5.16 5.16 5.16 7.01 7.01 65
3" 88.90 3.05 5.49 5.49 5.49 7.62 7.62 80
3 1/2" 101.60 3.05 5.74 5.74 5.74 8.08 8.08 90
4" 114.30 3.05 6.02 6.02 6.02 8.56 8.56 100
5" 141.30 3.40 6.55 6.55 6.55 9.52 9.52 125
6" 168.27 3.40 7.11 7.11 7.11 10.97 10.97 150
8" 219.07 3.76 8.18 8.18 8.18 12.70 12.70 200
10" 273.05 4.19 9.27 9.27 9.27 12.70 15.08 250
12" 323.85 4.57 9.52 9.52 10.31 12.70 17.47 300
14" 355.60 4.77 6.35 9.52 11.12 19.05 350
16" 404.60 4.77 6.35 9.52 12.70 21.44 400
18" 457.20 4.77 6.35 9.52 14.27 23.82 450

Typical Alloy, Size & Application Matrix

Alloy & Temper Size (mm) Typical Application
7075-T6 14×0.8 / 16×0.7 / 18×0.7 Ski pole / trekking pole
7075-T6 7×0.3 / 9×0.4 Arrow tubes
2014-T6, 7075-T6, 7075-T76 22×2.5 / 30×4.8 Handle bar
AA3003, 6063, 6061 16×1.2 / 12×1.75 / 16×1.75 / 12×2 / 7.94×1 / 9.52×1 / 12.7×1.2 / 16×2 Automobile radiator connector
5046-H111 - Condenser & heat exchanger
D97, 1015 - Automobile heat sink & radiator tubes
7001-T6 8.5×0.7 / 9.5×0.7 / 11×0.7 / 7×1.2 Tent pole
AA7045, 7050, 6061 60.3×2.29 (7046) / 60.3×2.16 (7050) / 50.8×2.16 (6061) Bat tubes
AA6061, 7005 26×18×1.6 / 36×18×1.4 / 65×25×2 / 64×42×1.8 Bike tubes (rectangular)
7075-T6, 7050-T7351 30.5×24.8 / 31.7×22.2 Bike shock absorbers
3003-H16 40×0.8 / 40×0.9 / 25×0.9 / 30×0.9 / 120×0.9 / 164×10 / 140×160 Copy drum
7075-T6 - Aircraft & rail seat components

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