Product Name

House Frame Flat Steel (Flat Bars for Residential Structural Framing)

Introduction

House Frame Flat Steel are flat steel bars and strips specially specified for residential and light-commercial building frames, roof ties, lintels, bracing straps and connection plates. They provide simple, economical, and reliable tensile and bearing elements for timber-to-steel connections, masonry lintels, balcony supports, stair stringer reinforcements and many other house-framing uses where flat geometry, ease of drilling/welding and consistent bearing area are needed.

Typical Forms & Materials

Forms: hot-rolled flat bars, cold-rolled flat strips, planed/ground flats, pre-cut/shaped bracing straps.

Common materials / grades: mild carbon steel (S235 / A36), structural grades (S355) for higher capacity, and stainless grades (304/316) for exposed or coastal locations.

Widths: 20 mm – 300 mm (typical residential use 25–150 mm).

Thicknesses: 3 mm – 40 mm (typical 4–20 mm).

Lengths: standard 3 m, 6 m, 12 m; cut-to-length or punched/coped pieces delivered per drawing.

Finishes: mill, galvanized (hot-dip), pre-painted or primer-coated; precision ground for bearing/shim plates.

Key Features & Benefits

Simple, proven geometry: flat bars distribute bearing loads evenly and are easy to bolt, weld or rivet to timber, concrete and steel members.

Versatile: used as lintels, straps, ties, stiffeners, shims and splice plates-suitable for many framing details.

Easy to fabricate on site or in shop: can be cut, punched, notched or bent with common tooling.

Corrosion protection options: hot-dip galvanizing or painted finishes extend life in moist or coastal climates.

Cost effective: lower material and fabrication cost versus complex fabricated sections for many small structural needs.

Good ductility & weldability: mild carbon grades weld easily and accommodate field modification.

Typical Applications in House Framing

Lintels over doors/windows (solid flat or paired flats).

Wall ties, strap bracing and hurricane/tie-down straps.

Stair stringer reinforcement and handrail mounting plates.

Balcony support straps and cantilever reinforcements.

Anchor and base plates, splice/cover plates for beam connections.

Fixing plates for timber-to-concrete or timber-to-steel connections.

Design & Fabrication Options

Pre-drilled holes & slots: factory punching to match bolt patterns or timber fixings.

Bending & shaping: shop bending for offsets, tapers or edge-flange returns.

Welded assemblies: welded brackets, cleats, saddles or multi-part kits.

Coating: hot-dip galvanize per EN ISO 1461 / ASTM A123, primer + topcoat, or powder coat for visible trims.

Pre-assembly: numbered kits (plates + bolts + instructions) for faster onsite installation.

Quality Assurance & Testing

Material certification: Mill Test Certificate (MTC) on request for structural orders.

Dimensional checks: width, thickness and length tolerances; flatness for bearing plates.

Mechanical checks: tensile/yield tests if requested for critical connections.

Coating inspection: galvanize mass, adhesion and appearance checks per spec.

Traceability: batch/heat marking available for project record keeping.

Packaging & Delivery

Bundling: strapped bundles with timber spacers to prevent surface marking.

Protection: oiled or VCI paper for long storage; end caps for precision ground bars.

Marking: size and part tags for easy selection on site.

Delivery: cut-to-length kits and small boxed sets available for builders; typical lead time depends on quantity and value-added work.

How to Order / What We Need

Please provide:

Dimensions (width × thickness × length) or fabrication drawing.

Material grade (e.g., mild steel S235, S355, or stainless) and required finish (galvanized/painted).

Quantity and whether items should be pre-drilled, bent or welded into kits.

Load or function (lintel, tie, strap) if design checking is desired.

Any certification needs (MTC, NDT) and delivery location/timescale.

Notes & Design Tips

For lintels, consider using paired flats (one above and one below the wall plate) or a single flat with bearing plates; provide bearing lengths of at least 100–150 mm or per local code.

For hurricane/tie-downs, choose thicker or wider flats and galvanize for coastal exposure, and pre-drill slots for adjustment.

If welding to existing steelwork, ask for weldable grade (avoid some stainless mixes) and specify post-weld corrosion protection.

If you want, I can: produce a size-to-weight table for typical house flat bars, suggest lintel/strap sizes for a given span/load, or prepare a simple cut-list for your project - tell me the spans or dimensions and I'll size options and weights.

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