Steel - Dragon Group

Steel Bars

At Dragon Group, we provide high-quality steel bars designed to deliver maximum strength, durability, and reliability for all your construction needs. Our steel bars are manufactured using advanced technology to meet international standards, ensuring your projects stand the test of time.

Specifications

BS 500 12mm
BS 500 10mm
BS 500 8mm
BS 300 12mm
BS 300 10mm
BS 300 8mm

Angle Iron

L-shaped steel profile for structural support and brackets, available in equal/unequal leg lengths.

Angle Iron Specifications

Model	Size (mm)	Section Area (cm²)	Theoretical Weight (kg/m)	Surface Area (m²/m)
2	20×20×3	1.132	0.889	0.078
	20×20×4	1.459	1.145	0.077
2.5	25×25×3	1.432	1.124	0.098
	25×25×4	1.859	1.459	0.097
3	30×30×3	1.749	1.373	0.117
	30×30×4	2.276	1.786	0.117
3.6	36×36×3	2.109	1.656	0.141
	36×36×4	2.756	2.163	0.141
	36×36×5	3.382	2.654	0.141
4	40×40×3	2.359	1.852	0.157
	40×40×4	3.086	2.422	0.157
	40×40×5	3.791	2.976	0.156
4.5	45×45×3	2.659	2.088	0.177
	45×45×4	3.486	2.736	0.177
	45×45×5	4.292	3.369	0.176
	45×45×6	5.076	3.985	0.176

Galvanized Angle Iron

Zinc-plated angle iron with extended durability, commonly used in outdoor guardrails and towers.

Square Tube

Untreated square steel tube, typically used in temporary structures or projects requiring post-painting.

Size & Wall Thickness Specifications

Size (mm)	Wall Thickness (mm)	Size (mm)	Wall Thickness (mm)
15 × 15	0.8 – 1.2	50 × 50	1.2 – 4.0
16 × 16	0.6 – 1.5	60 × 60	1.5 – 4.0
20 × 20	0.6 – 1.8	70 × 70	1.5 – 4.0
25 × 25	0.8 – 2.5	80 × 80	1.7 – 4.0
30 × 30	0.8 – 2.75	90 × 90	1.7 – 4.0
40 × 40	1.0 – 4.0	100 × 100	1.5 – 4.0

Galvinized Square Tube

Zinc-coated square tube with anti-corrosion properties, popular for railings and shelving systems.

Electro Galvanized Square Tube

Square tube with electro-galvanized zinc coating, offering moderate rust resistance for lightweight structures and decorative applications.

⁠ I Beam

"l"-shaped beam with high bending resistance, commonly used in horizontal load-bearing structures like beams.

H Beam

H-shaped steel with wider flanges and thinner web, optimized for high-rise buildings and long-span structures

H-Beam Specification Size Table

100×100×6×8	250×125×6×9	390×300×10×16	500×200×9×14
125×125×6.5×9	250×250×9×14	394×398×11×48	506×201×11×19
148×100×6×9	250×255×14×14	396×199×7×11	582×300×11×18
150×75×5×7	294×302×12×12	400×200×8×13	588×300×12×20
150×150×7×10	298×149×5.5×8	400×400×13×21	594×302×14×23
175×90×5×8	300×150×6.5×9	414×405×18×28	596×199×10×15
175×175×7.5×11	300×300×10×15	440×300×11×18	600×200×11×17
194×150×6×9	300×305×15×15	446×199×8×12	606×201×12×20
198×99×4.5×7	340×250×9×14	450×200×9×14	692×300×13×20
200×100×5.5×8	344×348×10×16	482×300×11×15	700×300×13×24
200×200×8×12	346×174×6×9	488×300×11×18	792×300×14×22
244×175×7×11	350×175×7×11	496×199×9×14	800×300×14×26
248×124×5×8	350×350×12×19	500×150×10×16	900×300×16×28