Rounded and flared steel pieces matched to the selected W-beam rail end
Our guardrail catalog includes rounded and flared formed-steel end sections. Each piece retains the corrugated mating end, connection slots and finished end shape from its selected detail. We supply these rail-end components by part reference and quantity, with the matching hardware identified on the offer.
| Rounded form | Curved return end with its specified radius and envelope |
|---|---|
| Flared form | Open flared end profile with its specified projection and rise |
| Mating end | W-beam corrugation, overlap and splice-slot pattern |
| Orientation | Viewing direction, rail face and end-hand reference |
| Material and finish | Specified rail steel, thickness and galvanized/coated detail |
| Supply | End-section pieces and separately counted connection hardware |
Our catalog drawings show the following reference envelopes. Approximate inch dimensions remain approximate after conversion; the selected component drawing controls the supplied geometry.
| Form and parameter | Catalog inch reference | Converted reference (mm) |
|---|---|---|
| Rounded: overall projection | Approx. 24 in. | Approx. 609.6 |
| Rounded: transverse width | 16-1/4 in. | 412.75 |
| Rounded: return radius | 6-5/16 in. | 160.34 |
| Flared: overall projection | Approx. 27-1/2 in. | Approx. 698.5 |
| Flared: rise | 9 in. | 228.6 |
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Factory guardrail catalog end-section drawings. Conversions use 25.4 mm/in.; radius conversion is rounded to 0.01 mm for reference. The selected drawing states steel thickness, finished tolerances, corrugation and connection-slot dimensions.
The rounded form carries a smooth curved return beyond the corrugated mating end. Overall projection, return radius and transverse envelope define the physical piece selected from that drawing.
The flared form opens the rail-end profile away from its straight mating tail. Projection, rise and edge contour identify the finished flare and its required surrounding clearance.
The project’s accepted barrier detail identifies the required end component and its connection. Our offer retains that part reference and specified material/finish records with the supplied steel piece.
AASHTO M 180 defines the strength, geometrical and coating requirements for non-proprietary W-beam and thrie-beam guardrail, transitions and end sections, and it treats end and buffer sections separately from standard beam elements. The project names the adopted edition and class.
The mating contour follows the selected W-beam detail. Its overlap and bearing faces establish how the formed end piece meets the adjacent rail panel.
Splice slots retain their size, spacing and edge relationships to the corrugated profile. The matching fastener detail identifies head seating and the included nut/washer arrangement.
The component drawing records the rail face and viewing direction. Any handed end or asymmetric connection retains its own mark, preserving the intended orientation through forming and packing.
The barrier schedule identifies each end position and selected part reference. Rounded and flared pieces retain separate counts alongside straight panels, posts and other equipment.
The retained rail profile and accepted repair detail establish the required tail, slots and end form. Those references identify the new steel component under the replacement order.
The chosen projection, radius or flared rise is checked from its drawing datums. Edge and end contours remain part of the finished component geometry.
Checks relate the corrugated tail and connection slots to the same rail reference. The required fit and fastening detail establish acceptance at that interface.
The selected steel thickness, finish and required records stay with the end-section mark. Different forms and hands retain separate inspection and packing identities.
Our offer lists rounded or flared end pieces by selected drawing, finish and quantity. Matching bolts, nuts and any specified washers have explicit separate quantities.
Separators support the formed pieces without concentrating restraint contact on the curved nose or slot edges. Different profiles remain distinguishable within the packed groups.
Packing references connect end-piece groups to their component schedule and receiving area. The agreed shipment terms and actual package dimensions accompany those counts.
The retained rail profile, existing end form, splice pattern and accepted repair detail identify the component. Add the part mark or drawing revision and required finish so the quote follows that exact rail-end configuration.
The selected component and barrier drawings establish the viewing direction and intended rail face. A handed or asymmetric connection retains its own orientation mark on the order.
They provide an initial component envelope for comparing the forms. The quoted drawing supplies the finished projection, measurement datums and tolerances used for production and receiving.
Installed coverage comes from the barrier layout, including the splice overlap and the returned or flared portion. The end piece’s overall envelope and rail-connection datum remain separate dimensions; the layout establishes its start and end positions along the run.
The required end piece follows the thrie-beam corrugation and its accepted connection detail. The W-beam references on this page identify a different mating profile; a thrie-beam request retains its own component drawing.
The assembly bill of materials provides the individual component part number and revision. Carry that reference and component drawing onto the formed-steel-piece order with its quantity. A larger terminal assembly retains its own scheduled product identity and accepted equipment scope.
Other items in the same product category.
Send the rounded or flared part reference, receiving-rail profile and connection detail with steel/finish requirements, piece counts and destination. We quote the formed end sections and identified connection hardware.