3mm 304 stainless steel checkered plate for an Ecuador order

Sheye Metal processed and supplied 304 stainless steel checkered plate in 3 × 1220 × 2440 mm for a customer in Ecuador. The sheets were embossed from 2B stainless steel with a small lentil pattern, also described in purchasing inquiries as a tear drop pattern. The photographs show our self-inspection before the export package was closed.

Buyers sourcing a 3mm 304 stainless steel checkered sheet should specify base thickness, finished dimensions, relief geometry and manufacturing route before comparing quotations.

The Ecuador order: 3 mm, 2B base and a small tear drop pattern

A request for 304 stainless steel checkered plate, 3mm × 4ft × 8ft, commonly refers to this commercial size family. Exactly 4 × 8 ft converts to 1219.2 × 2438.4 mm; 1220 × 2440 mm is a nearby metric format. The purchase order should state the actual dimensions and tolerances.

Likewise, “stainless steel 304 checkered sheet, 2B finish” describes the starting surface here. Embossing creates the final textured face, with light reflecting differently from the flat lands and raised features.

Inspection before packing

The inspection sequence covered sheet thickness, width and length, pattern geometry, material identification, marking and visible surface condition. These checks connect the finished sheets to the order requirements and form part of our quality and export preparation.

Select an inspection photograph to view it at full size.

Base thickness and sheet dimensions

The three photographed micrometer displays read 2.986 mm, 2.997 mm and 2.980 mm. The measuring positions are on flat areas between the raised motifs. These readings document local base thickness; measuring over a raised feature would give a different dimension.

Tape checks recorded the nominal 1220 mm width and 2440 mm length. The photographs illustrate the measurement process. Final dimensional acceptance is based on the agreed tolerance and inspection record, rather than an estimate from the camera angle.

Pattern dimensions and appearance

Caliper checks recorded dimensions across individual lentil features and their spacing. The selected photographs show displays of 37.36 mm, 12.26 mm and 62.00 mm. For repeat orders, an approved sample or drawing should define the measurement points, pattern orientation, spacing and relief height.

The visual check covered the overall pattern, sheet edges and surface appearance before packing. Comparing the full sheet with close views helps identify local handling marks or an inconsistent pattern that might be missed in a single detail photograph.

PMI and readable sheet marking

The PMI analyzer identified the tested material as 304, with displayed chromium and nickel readings of 18.35% and 8.21%. This provides an alloy identification check at the tested location. A PMI screen alone does not establish every chemical or mechanical requirement of a material standard.

The inkjet marking reads ASTM A240/A480 · AISI 304 · 2B · 3 × 1220 × 2440 · HEAT NO. A2603448. Receiving teams can use the readable grade, dimensions and heat reference to match sheets with their material documents.

Where an embossed 304 checkered sheet can fit

The small lentil pattern creates a textured metallic surface suited to decorative panels and selected light-duty tread applications. Potential uses include equipment panels, elevator interiors, wall protection, display fittings and supported floor or step coverings.

For walking surfaces, pattern appearance is only part of the selection. Footwear, water or oil, drainage, cleaning and wear all affect grip. WorkSafe Queensland’s floor-surface guidance recommends evaluating the conditions of use and relevant slip-resistance data. A raised pattern by itself is not a wet- or oily-floor slip rating.

For load-bearing floors or stair treads, specify support spacing, fixing details, point loads and impact conditions alongside base thickness. Repeated concentrated loads can deform embossed relief. A product intended for decorative or supported light-duty use should be evaluated separately from a structural floor plate.

Embossed sheet and solid raised-pattern plate: what to compare

The Ecuador order uses secondary embossing of flat sheet. Another construction is a rolled floor plate with solid raised features above the plate body. Both are formed from continuous metal. The useful distinction is how the relief is made and the resulting section geometry.

A reverse-side inspection is useful, but a flat back alone does not prove a particular production route. For example, Outokumpu’s Deco brochure describes patterned stainless surfaces with a flat underside. Ask for the producer’s specification and a section or sample when the construction matters.

Corrosion resistance also cannot be ranked solely by “embossed” versus “mill-rolled.” Grade, contamination, cleaning and exposure conditions matter. Clean stainless steel can reform its passive film when oxygen is available, as explained in the BSSA guide to passivation. Forming alone does not establish permanent loss of corrosion resistance.