● ASTM A53 / A53M – Welded & seamless galvanized steel pipes (general use)
● ASTM A123 / A123M – Hot‑dip galvanizing for structural steel, pipes, and assemblies
● ASTM A500 / A500M – Structural tubing (round, square, rectangular)
● BS EN 10240 – Internal and external protective coatings by hot‑dip galvanizing
● BS EN 10255 – Non‑alloy steel tubes suitable for welding and threading
● DIN 2440 / 2444 – German standards for galvanized steel pipes
● ISO 1461 – Hot‑dip galvanized coatings on fabricated iron and steel articles
● ISO 65 – Welded steel pipes for water, gas, and air

● Q195, Q215, Q235, Q345 (Carbon Steel Grades)
● A53 Grade A/B, A500 Grade A/B/C
● S195T, S235JR, S275JR
● Variants:
○ Hot‑dip galvanized (HDG)
○ Pre‑galvanized (PG)
○ Electro‑galvanized (EG)

Typical – Carbon Steel Base:
● Carbon %: 0.06 – 0.25
● Manganese %: 0.25 – 1.20
● Silicon%: ≤ 0.035
● Phosphorus %: ≤ 0.035
● Sulphur %: ≤ 0.035

Zinc coating: 120 – 600 g/m² depending on standard and client requirement.

● Round Pipes:
○ Outside Diameter (mm): 21.3 – 610
○ Wall Thickness (mm): 1.5 – 20
○ Lengths (m): 6 – 12 (random or fixed)
● Square & Rectangular Tubes:
○ Square (mm): 20×20 – 500×500
○ Rectangular (mm): 40×20 – 600×400
○ Wall Thickness (mm): 1.5 – 12.0
● Threaded & Plain Ends:
○ Sockets
○ Couplings
○ Bevelled ends

● Plumbing & water supply
● Scaffolding & construction frameworks
● Fencing & greenhouses
● Industrial piping (low‑pressure fluids, air, gas)
● Agricultural irrigation systems

● Bundling: Pipes bundled in lots of 1.5–5 tons, secured with steel straps.
● Protection: Plastic end caps, black varnish or oil coating (optional).
● Optional: Photographic proof of loading & securing for client assurance.
● Shipping:
○ Breakbulk for large orders.
○ Containerized (20’ or 40’, max ~25 tons).
○ ISPM‑15 compliance for wooden dunnage.