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U, C, Z and HAT profiles

Roll-formed structural steel profiles in galvanized, Galvalume and zinc-aluminium-magnesium coated steel, made to IS 811 and EN 10162 tolerances for PEB, industrial sheds and ground solar mounting structures.

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Product range

Four different profiles for every mounting condition

U – Profile

Flange: 25–50 mm
Web: 50–100 mm
Thickness: 1.5–3.0 mm

C – Profile

Flange: 25–80 mm
Web: 30–100 mm
Lip: 5–25 mm
Thickness: 1.5–3.0 mm

Z – Profile

Flange: 25–80 mm
Web: 30–100 mm
Lip: 5–25 mm
Thickness: 1.5–3.0 mm

HAT – Profile

Width: 25–80 mm
Height: 30–100 mm
Flange: 30–100 mm
Lip: 5–25 mm
Thickness: 1.5–3.0 mm

Materials and coating

For strength and durability

Base steel standards, grades and coating classes.
Standard	Grade	Coating class
Galvanized steel
IS 277:2018	YS 250, YS 350	Z 80, Z 120, Z 275
Hot-dip aluminium-zinc alloy coated — Galvalume
IS 15961:2012	YS 350, YS 550	AZ 150
Hot-dip galvanized steel
IS 2062:1992Hot rolled medium structural steel	E250, E350	IS 4759 — 460 GSM (over 60 µ), 600 GSM (over 80 µ)
Hot-dip zinc-aluminium-magnesium alloy coated
IS 18513:2023	IZMC300S, IZMC350S	ZM 120, ZM 150

Dimensions and tolerances

For swift installation

Dimensional tolerances to IS 811 and EN 10162.

Dimensions and tolerances. Dimensions in mm unless stated.
Parameter	Range	Tolerance
Web	80 mm to 300 mm	≤ 100 mm: ±0.75 ≤ 200 mm: ±1 > 200 mm: ±1.5
Flange	40 mm to 80 mm	≤ 100 mm: ±0.75 mm
Lip	10 mm to 25 mm	≤ 40 mm: ±0.75 mm
Thickness	0.7 to 3.0 mm	±8%
Length	As per requirement, maximum 12 metres	≤ 2 000: ±1 > 2 000–6 000: ±2 > 6 000–10 000: ±3 > 10 000: ±4
Angle	90°	Shorter flange ≤ 10 mm: ±3° 10–40: ±1°45′ 40–80: ±1°15′ 80–110: ±1° > 110: ±0°45′
Holes and slots	Ø 12, Ø 14 mm holes 12 × 24, 14 × 28 mm slots Centres as per requirement	Holes: ±0.5 Slots: ±1 Centres: ±1 mm
Straightness / twist	—	2 mm per metre 1° per metre
Concavity / convexity	—	0.8% of h (minimum 0.5 mm)

Profile

U profile

Parallel-flange channel section. Equal flanges on a flat web — ideal for cable management tracks, module rail end-caps, and purlin support brackets.

Standard stock size. Dimensions in mm.
Size	Web	Flange
U50	50	25
U60	60	30
U75	75	40
U80	80	40
U100	100	50

Profile

C-lip profile

Lipped channel with inward-turned lips for stiffness. Primary structural member in solar mounting tables and shed purlins; highest section modulus-to-weight ratio in the range.

Standard stock size. Dimensions in mm.
Size	Web	Flange	Lip
C100	100	50	15
C160	160	60	15
C180	180	60	15
C200	200	70	20
C220	220	80	20
C250	250	70	20
C300	300	80	20

Profile

Z profile

Anti-symmetric section with offset flanges — enables lap-joint nesting for continuous-span purlin runs. Preferred for sloped roof structures and solar array east-west rows where long-span continuity matters.

Standard stock size. Dimensions in mm.
Size	Web	Flange	Lip
Z100	100	50–55	15
Z160	160	60–65	15
Z180	180	60–65	15
Z200	200	70–75	20
Z220	220	80–85	20
Z250	250	70–75	20
Z300	300	80–85	20

Lip angle: 45° or 90°.

Profile

HAT profile

HAT-shaped section with outward-spreading flanges for wide bearing contact. Used as module rail substructure, secondary roof battens, and cable tray covers in ground-mount solar plants.

Standard stock size. Dimensions in mm.
Size	Height	Width	Flange	Lip
H70	70	40	25	10
H80	80	40	25	10
H90	90	40	25	10
H100	100	40	25	10

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Need a size that is not in the table?

Standard stock sizes are listed above. We also roll custom web, flange, lip, thickness and length combinations, punched to your drawing.

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