Factory-direct steel gratings & stair treads, shipped worldwide
Steel Walkway Grating Specifications
Find the right walkway grating specs, then order direct from the factory.
Spec sheet and itemized quote within 24 hours · Free drawing review included
Specs from our own lines
3,000 ㎡ workshop, four product lines
Certified & tested
Reports on request, MTC with every order
Samples in 5–7 days
Production in 15–25 working days
FOB Tianjin
Shipped worldwide, EXW / CIF negotiable
Full walkway grating specs
The Complete Walkway Grating Specification Sheet
Every line an engineer or buyer needs to write a walkway grating spec — construction, mesh, panel envelope, materials, finishes and edge details. These are the ranges our four product lines actually build to; anything inside them is a standard order, not a special.
Construction & geometry
| Parameter | Specification range |
|---|---|
| Bearing bar | 20×3 mm to 100×8 mm, plain or serrated |
| Bearing bar spacing | 30 / 40 / 60 mm centers (welded line) |
| Close mesh option | Down to 11 / 11 mm (press-locked line) |
| Cross bar | Twisted square or round, per specification |
| Panel width | Up to 1.25 m |
| Panel length | Up to 6 m — cut to size to your drawings |
| Stock designation | 19W4 and custom equivalents |
Bearing bars run across the span: state your support direction on the drawing so bars carry load the short way.
Materials, finishes & edges
| Parameter | Specification options |
|---|---|
| Material grades | Q235B carbon steel · SS304 / SS316 stainless |
| Surface finish | Black (uncoated) or painted |
| Hot-dip galvanized | ASTM A123 / ISO 1461, included in lead time |
| Walking surface | Serrated or plain bearing bars |
| Edge banding | Welded band to spec — flush or checkered |
| Notching & cutouts | Pipes, kerbs and obstructions cut per drawing |
| Fixings | Clips and fixings supplied alongside panels |
Dimensional tolerances are stated per configuration on your order confirmation — we do not quote a single blanket figure for every bar size.
Load data, weight tables and coating reports — provided with your quote
Load and deflection tables only mean something against your span and load case, so the deeper tables are issued per configuration, not published as one generic sheet. Ask in your RFQ and your quote comes back with:
- Load and weight tables for your exact bar size, spacing and span
- Spec sheet with test data included — certified & tested, reports on request
- Galvanized coating thickness report for HDG orders
- Installation drawings and fixing layout, included with the order
How to write a walkway grating spec
Five Lines Make a Complete Walkway Grating Specification
Most specification mistakes happen before any steel is cut: load applied the wrong way, or mesh chosen for the wrong traffic. Write these five lines and any grating maker can quote — our engineers check them for free inside the 24-hour quote.
Line drawing of what the five lines describe: bearing bars across the span, cross bars tying them, banding closing the edges.
Span and support direction
Clear span between supports, and which way the supports run. Bearing bars must sit across the span — the single most common spec error we catch on drawings.
Load: uniform, point or wheel
State the load type and value, not just "heavy duty". Uniform load spreads across bars; a point or wheel load lands on one — the bar size that follows is completely different.
Mesh opening
30 / 40 / 60 mm centers for open plant walkways that must drain and self-clean; down to 11 / 11 mm close mesh where heels, debris or small tools must not pass through.
Bar size, material grade and process
Bearing bar from 20×3 mm to 100×8 mm, in Q235B, SS304 or SS316; welded or press-locked construction. The grade follows the environment — washdown and marine duty justify stainless.
Finish, edges and panel sizes
Black or hot-dip galvanized to ASTM A123 / ISO 1461; serrated or plain surface; banded edges; panels cut from the 1.25 m × 6 m envelope to fit your route, not the other way round.
Want a second pair of eyes on your five lines? Send your span and load — we will spec it inside the 24-hour quote.
Why specify from us
Walkway Specs, Verified Before They Ship
Spec sheets with test data included
The full walkway grating specs you see above, extended with load and weight data for your configuration — issued with your quote, not after you commit.
Grating specs with MTC 3.1
Every heat of Q235B, SS304 or SS316 enters production with its mill test certificate checked at goods-in, and an EN 10204 Type 3.1 MTC travels with your order.
Walkway grating, made to fit
Custom-sized panels cut and banded to your drawings from the full spec range above — small trial orders welcome, free drawing review inside the 24-hour quote.
Where these specs are used
The Same Spec Sheet, Four Walkway Duties
The specification lines do not change from duty to duty — the values you put in them do. Typical settings our walkway specs serve:
Plant & maintenance walkways
Daily foot traffic: mid-range bars, 30 / 40 mm centers, serrated surface, HDG finish.
Elevated catwalks
Long clear spans: heavier bearing bars specified against span, not against habit.
Roof access routes
Weather exposure written into line five: HDG to ASTM A123 / ISO 1461 as standard.
Public & pedestrian runs
Heel-safe duty: 11 / 11 mm close mesh on the press-locked line, plain surface.
Specs you can verify
The Documents Behind Every Specified Panel
A specification is only as good as the paperwork that proves it. Here is what a specified walkway grating order leaves our mill with — and how production verifies it along the way.
Ships with your order
- Mill test certificate to EN 10204 Type 3.1
- Factory inspection report for the released batch
- Declaration of Conformity prepared per order destination
- Installation drawings and fixing layout, bolted assembly
Load tables & technical resources → · Grating load table explained →
Five-stage QC against your spec
- MTC verification at goods-in — grade and heat match your spec line four
- First-article check of bar size, spacing and banding before the run starts
- Joint inspection with visual sampling on every panel — ANSI / NAAMM MBG 531 reference practice
- Coating thickness sampling on galvanized batches — ASTM A123 / ISO 1461
- Final inspection and report before release to packing
Standards & compliance
Specified to Recognized Standards — Documents on Request
ANSI / NAAMM MBG 531
Walkway panels produced to MBG 531 reference practice, with joint inspection written into the five-stage QC plan.
ASTM A123 / ISO 1461 HDG
The galvanized finish on spec line five, checked by coating-thickness sampling on every galvanized batch before release.
CE & SGS tested
Certified & tested, reports on request — spec sheets with test data included, so you can verify rather than trust.
From spec to panels
Your Specification, Cut and Banded to Drawings
Send your spec or sketch
The five lines above, a full drawing, or just photos and a sketch — drawing review is free, spec check included.
Quote and spec sheet within 24 hours
Itemized, FOB Tianjin as standard — EXW or CIF on request, load and weight tables provided with your quote.
Samples in 5–7 days, production in 15–25
Working days after drawing confirmation, hot-dip galvanizing included. Installation drawings and fixing layout ship with the order.
Spec sheet & factory quote
Send Your Span and Load
Send your walkway span and load for a quote. Reply in 24h, samples 5–7 days — the extended spec sheet with load and weight tables comes back with it.
- Spec sheet with test data included, reports on request
- MTC EN 10204 3.1 and inspection report with every order
- Factory audits welcome — check the lines behind the specs
Prefer to talk? WhatsApp us or sales@dtsteelladder.com
Request your spec sheet & quote
Five fields — we do the rest.
FAQ
Walkway Grating Specification Questions
What walkway grating specifications do I need to order?
Five lines cover it: clear span and support direction, the load it must carry (uniform or point loads, plus any wheels), the mesh opening, the bearing bar size and material grade, and the finish and edge details. Send your span and load data and we confirm the full specification inside the 24-hour quote.
Can I get load tables and test data with my walkway grating?
Yes — spec sheets with test data are included, and certification and test reports are available on request. Load and weight tables for your exact configuration are provided with your quote, and every order ships with an MTC to EN 10204 Type 3.1 plus a factory inspection report.
What is the lead time for walkway grating ordered to a specification?
Samples ship in 5–7 working days and mass production runs 15–25 working days after drawing confirmation, both including hot-dip galvanizing. Rush production in 10–15 days is possible with a surcharge — ask in your quote.
Related pages
Related Walkway & Specification Pages
Walkway Grating
The walkway line anchor — formats, spans and surface options.
View page →Walkway Mesh
Mesh formats for walkways — open centers vs close mesh.
View page →Grating Panel Dimensions
The 1.25 m × 6 m panel envelope and how panels are cut to fit.
View page →Heavy-Duty Walkway Grating
Thicker bars and closer centers where wheels join the route.
View page →Industrial Walkway Grating
Daily-duty plant access routes and their typical specs.
View page →Technical Resources
Load tables, calculators and drawing guidance in one place.
View page →