/01 — H · I · U · V sections

Steel sections
H · I · U · V

Structural steel sections for beams, columns, purlins and bracing — sizes H100×100 → H1000×400, I100 → I600, U80 → U400, V25 → V200.

/H-BEAM

H-beam

Primary structure · 118 sizes

Symmetrical H-section with balanced flanges and web for high load capacity in both the horizontal and vertical directions. The first choice for primary beams and columns in modern steel structures, enabling long-span designs without intermediate columns.

Steel gradesSS400 · A36 · Q235B · Q355B · S275JR · SM490YA · A572
MillsPosco · Hyundai · Hoa Phat · VAS · Baosteel
SizesH100×100 → H1000×400
Length6m · 12m
Typical applications
  • Main columns & beams for factories and pre-engineered buildings
  • High-rise structural frames, long-span roofs
  • Overpass girders, conveyor bridges
  • Seaport warehouses, logistics warehouses
/I-BEAM

I-beam

Load-bearing beams · 187 sizes

I-section with a narrower web than H, optimized for vertical bending and more economical for light to medium loads. Suited to structures that need deep beams but not the two-way load capacity of H-beams.

Steel gradesSS400 · A36 · Q235B · Q355B · S275JR
MillsPosco · Hyundai · Baosteel · VAS · Hoa Phat
SizesI100 → I600
Length6m · 12m
Typical applications
  • Floor beams for shopping malls and factories
  • Secondary structures, crane runway beams
  • Levers / balance beams for special equipment
  • Secondary frames for small overpasses
/U-CHANNEL

U-channel

Purlins & secondary frames · 377 sizes

Lightweight U-channel, easy to join, versatile for roof frames and secondary structures. Flexible to cut and drill and to install on site — an essential material for pre-engineered factories and M&E systems.

Steel gradesSS400 · A36 · Q235 · Q355 · S275
MillsACS · AKS · VTS · QT · Posco · DVS
SizesU80×40 → U400×100
Length6m · 12m
Typical applications
  • Roof purlins for factories and industrial warehouses
  • M&E cable trays, industrial pipe racks
  • Steel door frames, container frames
  • Telecom antenna masts, BTS towers
/L-ANGLE

Equal angle (V/L)

Bracing & reinforcement · 1,107 sizes

Equal-leg L-angle with high stiffness and good torsional resistance. Versatile from space-frame trusses to handrails, steel racks and joint reinforcement. The most varied group in our catalog, with nearly 2,000 sizes from V25 to V200.

Steel gradesSS400 · A36 · Q235 · Q355 · S275
MillsACS · AKS · VTS · QT · DVS · Hoa Phat · VAS
SizesV25 → V200, 3-20mm thick
Length6m · 12m
Typical applications
  • Bracing for steel structures
  • Space frames, space-frame roofs
  • Display rack frames, warehouse racking
  • Handrails and staircases for buildings
/Photos

H/I/U/V sections in stock

Mega Steel U-channel - wide range of sizes in stockMega Steel U-channel - wide range of sizes in stock Mega Steel mixed stockyard: H-beams, angles and plateMega Steel mixed stockyard: H-beams, angles and plate H-beams and angles inside the Mega Steel warehouseH-beams and angles inside the Mega Steel warehouse Blue-end-marked H-beams - large sizes in stockBlue-end-marked H-beams - large sizes in stock Blue-end-marked H-beams being unloaded at Vinafco portBlue-end-marked H-beams being unloaded at Vinafco port Large imported H-beams at the portLarge imported H-beams at the port Large H-beams stacked in the warehouseLarge H-beams stacked in the warehouse H-beams and U-channels pyramid-stacked in the outdoor yardH-beams and U-channels pyramid-stacked in the outdoor yard I/H sections stacked in the warehouseI/H sections stacked in the warehouse Large H-beams in a pyramid stackLarge H-beams in a pyramid stack Bundled galvanized U-channelBundled galvanized U-channel Galvanized V/L angle steelGalvanized V/L angle steel
/02 — Catalog

Detailed
catalog

Search by product name or SKU. Use the pills below to filter by product group.

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Product
SKU
Unit
Weight
/03 — Quick calc

Section weight
calculator

Can't find it in the catalog? Enter the dimensions to calculate the weight yourself: angle, H/I, seamless pipe, steel plate, Larsen sheet pile. Nominal density 7.85 g/cm³. Enter a unit price (VND/kg) to get the amount. Manufacturing tolerance ±3–5%.

W = (2B − t) × t × 0.00785  [kg/m]
A = 2B·tf + (H − 2tf)·tw  →  W = A × 0.00785  [kg/m]
* The formula excludes fillet radii — results are ~2-3% below Chinese/JIS weight tables (e.g. H350×350×12×19 ≈ 134 vs 137 kg/m in the tables).
A = H·tw + 2·(B − tw)·tf  →  W = A × 0.00785  [kg/m]
* U-channel: H = web depth, B = flange width, tw = web thickness, tf = flange thickness. Fillet radii not included.
W = (OD − t) × t × π × 0.00785 ≈ (OD − t) × t × 0.02466  [kg/m]
W = D × R × T × 7.85 × 10⁻⁶  [kg/plate]
Look up Larsen U-type sheet pile weights (SP-II → SP-VI). Select a type to get the standard kg/m per Chinese/JIS tables.
* SP = Steel Pile (Larsen U-type sheet pile). Size W×H×t. Quotes are usually based on theoretical weight; "−5%" is the tolerance on actual delivered scale weight.

* Formulas are for reference only. Please contact Mega Steel — +84 978 808 646 for details & an exact quote.

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