We manufacture hot rolled and cold rolled ERW rectangular and square mild steel pipe, used widely in structural framing, furniture, pre-engineered buildings and construction.

The properties come from the input: we use high-grade prime, soft mild steel coil, imported from established suppliers. That is what lets us guarantee shape — tight dimensional tolerances and sharp square corners — and what makes the material behave predictably when bent or fabricated.

The two previous size charts are merged into one unified table per shape, with wall thicknesses spanning 0.6 mm to 4.0 mm across 11 standard gauges. The range conforms to BS EN 10305-5, EN 10219, ASTM A500 and IS 4923. Bundles are counted and strapped for dispatch.

Applications

Structural steel framing
Furniture manufacture
Steel houses and prefabricated buildings
Grilles, gates and railings
Conduit & cable containment
General fabrication & machinery frames

Sectors supplied

Construction
Furniture manufacture
Fabrication
Pre-engineered buildings

Specifications

Sizes and weights

Figures as published in our catalogue. Tolerances are held to the standard named on each table.

Square MS pipe — mass in kg/m

BS EN 10305-5 · EN 10219 · ASTM A500 · IS 4923

Square MS pipe — mass in kg/m — BS EN 10305-5 · EN 10219 · ASTM A500 · IS 4923
Size mm	Per bundle	Wall thickness (mm) — mass in kg/m
Size mm	Per bundle	0.6	0.7	0.8	0.9	1.0	1.2	1.6	2.0	2.5	3.0	4.0
10 × 10	225	0.172	0.198	0.222	0.246	0.269	—	—	—	—	—	—
12 × 12	225	0.210	0.242	0.273	0.303	0.332	0.388	0.488	—	—	—	—
15 × 15	225	0.266	0.308	0.348	0.388	0.426	0.501	0.639	—	—	—	—
20 × 20	225	0.361	0.418	0.474	0.529	0.583	0.689	0.890	1.076	1.290	—	—
25 × 25	144	—	0.528	0.599	0.670	0.740	0.877	1.141	1.390	1.682	1.951	—
30 × 30	100	—	0.637	0.725	0.811	0.897	1.066	1.392	1.704	2.075	2.422	—
38 × 38	100	—	—	0.926	1.038	1.148	1.367	1.794	2.207	2.703	3.176	4.055
40 × 40	—	—	—	—	—	—	1.443	1.895	2.332	2.860	3.364	4.306
50 × 50	100	—	—	1.227	1.377	—	1.819	2.397	2.960	3.645	4.306	5.562
60 × 60	—	—	—	—	—	—	2.196	2.900	3.588	4.430	5.248	6.818
75 × 75	—	—	—	—	—	—	2.761	3.653	4.530	5.607	6.661	8.702
80 × 80	—	—	—	—	—	—	2.950	3.904	4.844	6.000	7.132	9.330
100 × 100	—	—	—	—	—	—	3.703	4.909	6.100	7.570	9.016	11.842

Mass calculated with an outer corner radius of 1.5 × wall at 7.85 g/cm³. A dash means that wall is not rolled in that size. Bundle counts not shown are confirmed at order. Inch trade sizes sold by gauge are in the trade weight chart, section 03.

Rectangular MS pipe — mass in kg/m

BS EN 10305-5 · EN 10219 · ASTM A500 · IS 4923

Rectangular MS pipe — mass in kg/m — BS EN 10305-5 · EN 10219 · ASTM A500 · IS 4923
Size mm	Per bundle	Wall thickness (mm) — mass in kg/m
Size mm	Per bundle	0.6	0.7	0.8	0.9	1.0	1.2	1.6	2.0	2.5	3.0	4.0
10 × 20	294	—	0.308	0.348	0.388	0.426	0.501	—	—	—	—	—
12 × 38	200	—	0.528	0.599	0.670	0.740	0.877	—	—	—	—	—
15 × 30	150	—	—	—	0.599	—	0.783	—	—	—	—	—
20 × 40	150	—	0.637	0.725	0.811	0.897	1.066	1.392	1.704	2.075	—	—
25 × 40	150	—	—	—	—	—	1.160	1.518	—	—	—	—
25 × 50	96	—	—	0.913	1.023	1.133	1.348	1.769	2.175	2.663	3.129	—
30 × 50	96	—	—	—	1.094	—	—	—	—	—	—	—
30 × 60	117	—	—	1.102	1.235	1.368	1.631	2.146	2.646	3.252	3.835	—
38 × 76	—	—	—	—	—	—	2.083	2.749	3.400	4.194	4.966	6.441
40 × 80	70	—	—	1.478	1.659	1.839	2.196	2.900	3.588	4.430	5.248	6.818
50 × 100	—	—	—	—	—	—	2.761	3.653	4.530	5.607	6.661	8.702
60 × 120	—	—	—	—	—	—	3.327	4.407	5.472	6.785	8.074	10.586

Same basis as the square chart. Sizes are quoted depth × width; other combinations are rolled to order. A dash means that wall is not rolled in that size.

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