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Sheet metal, explained by the people who make it

377 guides on stamping, laser cutting, bending, welding, coating and the parts we build for lift, power, data centre, railway and farm equipment.

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Updated weekly · last review 3 Nov 2026

Stamping, presses and press toolsPressed, punched and deep drawn sheet metal parts, the tooling that makes them, and the DFM rules that decide whether a part suits a press at all.Laser cutting and sheet metal fabricationFibre laser cutting, nesting, edge quality, tolerance and the cost drivers behind a cut part, including long panels cut on the 40 ft × 16 ft bed.Bending, welding and finished assembliesPress brake bending, bend allowance, fixtures, robotic MIG welding, distortion control and the tolerances a finished welded assembly can actually hold.Surface treatment and powder coatingSeven-tank pretreatment, phosphating, shot blasting, powder and wet paint selection, film thickness and the failure modes that show up two monsoons later.Elevator and lift componentsCounterweight frames, car frames, slings, guide rail brackets, door panels and controller enclosures made to lift OEM drawings.Genset, canopy and acoustic enclosuresDG set canopies, acoustic panels, louvres, base frames, skid bases and control panel enclosures, engineered for weather, access and noise.Data centre racks and electrical enclosures19-inch rack frames, mounting rails, perforated doors, blanking panels, PDU brackets and the electrical enclosures around them.Tractor, forklift and material handlingTractor panels and brackets, forklift overhead guards, counterweight covers, mast parts and material handling components built for vibration and abuse.Railway, furniture and infrastructureRailway coach panels, underframe brackets, fittings, metal furniture frames, shelving and signage, where standards and traceability carry as much weight as the part.Materials and gradesGrade selection for CRCA, stainless, aluminium, brass and copper: formability, thickness, corrosion and what the mill certificate actually guarantees.Standards and complianceWhich standard applies, what it actually covers, and the evidence a buyer should ask for: ISO, IEC, EN, RDSO and material certification.Design and CADDesign rules, CAD hand-off, bend allowances, tolerance stacks and the drawing notes that decide whether a part is made right first time.Applications and casesApplication-led problems from lift shafts, genset sites, data halls, railway coaches, farms and warehouses, and how the part is designed around them.Plant, quality and sustainabilityHow the plants run: quality systems, inspection, calibration, pretreatment chemistry, effluent, maintenance, energy and scrap.

Latest guides

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12 min read
19 IN · 42U RACK FRAMESTATIC LOADRAIL DETAILRAIL HOLE PATTERN · 44.45 mmEIA-310 · IEC 60297-3-100482.6 mm42UU PITCHRAILMASKED BONDRACK WIDTH482.6 mmHOLE PITCH44.45 mmCOATINGmasked bondsPROCESS ROUTECUTFORMWELDCOATASSEMBLEPROCESSDATA CENTRE RACKS ENCLOSURES

Racks and enclosures

19-inch rack frame design guide: tolerances and DFM

Data centre 19-inch rack frame design: the 482.6 mm and 465.1 mm dimensions that decide fit, bend and weld rules for 2 mm CRCA, coating allowance and checks.

10 min read
RFQ PACKCONTAINER · FOB → DAPINSPECTIONLANDED COSTFOBgoods at portCIF+ freight + insuranceDUTYon CIF valueDAPlanded at siteLANDED COSTSUPPLY CHAINLEAD TIMEDRAWING PACKSHIPMENTDUTY ON CIFRFQ FIELDS10DOCSmill cert + CoCTERMSIncoterms 2020PROCESS ROUTERFQDFMQUOTETRANSFERSHIPPROCESSSTANDARDS AND COMPLIANCE

Standards

ISO 2768 for formed parts: scope, limits and what to ask for

ISO 2768-1 fills in the tolerances you left off a drawing. What class m allows on a formed part, why it is wrong in both directions, and what to call out instead.

10 min read
RFQ PACKCONTAINER · FOB → DAPINSPECTIONLANDED COSTFOBgoods at portCIF+ freight + insuranceDUTYon CIF valueDAPlanded at siteLANDED COSTSUPPLY CHAINLEAD TIMEDRAWING PACKSHIPMENTDUTY ON CIFRFQ FIELDS9DOCSmill cert + CoCTERMSIncoterms 2020PROCESS ROUTERFQDFMQUOTETRANSFERSHIPPROCESSSTANDARDS AND COMPLIANCE

Standards

ISO 3834 welding quality requirements: scope, limits, evidence

ISO 3834 welding quality requirements: what parts 2, 3 and 4 control, the evidence to request per clause, and the limits the certificate does not cover.

10 min read
RFQ PACKCONTAINER · FOB → DAPINSPECTIONLANDED COSTFOBgoods at portCIF+ freight + insuranceDUTYon CIF valueDAPlanded at siteLANDED COSTSUPPLY CHAINLEAD TIMEDRAWING PACKSHIPMENTDUTY ON CIFRFQ FIELDS8DOCSmill cert + CoCTERMSIncoterms 2020PROCESS ROUTERFQDFMQUOTETRANSFERSHIPPROCESSPLANT QUALITY SUSTAINABILITY

Plant and quality

5S on a fabrication floor: what it changes in practice

What 5S changes on a fabrication floor: search time, mixed-material risk and the record an auditor samples, with the numbers that justify the effort.

11 min read
RFQ PACKCONTAINER · FOB → DAPINSPECTIONLANDED COSTFOBgoods at portCIF+ freight + insuranceDUTYon CIF valueDAPlanded at siteLANDED COSTSUPPLY CHAINLEAD TIMEDRAWING PACKSHIPMENTDUTY ON CIFRFQ FIELDS10DOCSmill cert + CoCTERMSIncoterms 2020PROCESS ROUTERFQDFMQUOTETRANSFERSHIPPROCESSSTANDARDS AND COMPLIANCE

Standards

EN 81-50 for lift component testing: scope and limits

EN 81-50 proves a safety gear, buffer or governor on its own, not the bracket that holds it. Here are the test numbers and the interface the standard leaves.

9 min read
RFQ PACKCONTAINER · FOB → DAPINSPECTIONLANDED COSTFOBgoods at portCIF+ freight + insuranceDUTYon CIF valueDAPlanded at siteLANDED COSTSUPPLY CHAINLEAD TIMEDRAWING PACKSHIPMENTDUTY ON CIFRFQ FIELDS10DOCSmill cert + CoCTERMSIncoterms 2020PROCESS ROUTERFQDFMQUOTETRANSFERSHIPPROCESSDESIGN AND CAD

Design and CAD

Design review checklist for sheet metal: what to check

A design review checklist for sheet metal: the eight checks that decide whether a drawing can be made, with the limits we hold in the shop.

10 min read
RFQ PACKCONTAINER · FOB → DAPINSPECTIONLANDED COSTFOBgoods at portCIF+ freight + insuranceDUTYon CIF valueDAPlanded at siteLANDED COSTSUPPLY CHAINLEAD TIMEDRAWING PACKSHIPMENTDUTY ON CIFRFQ FIELDS10DOCSmill cert + CoCTERMSIncoterms 2020PROCESS ROUTERFQDFMQUOTETRANSFERSHIPPROCESSPLANT QUALITY SUSTAINABILITY

Plant and quality

Supplier non-conformance: how incoming material is checked

How incoming material inspection works on a sheet metal plant: the checks that catch a bad coil, the NCR fields, and the sample that proves nothing.

11 min read
19 IN · 48U RACK FRAMESTATIC LOADRAIL DETAILRAIL HOLE PATTERN · 44.45 mmEIA-310 · IEC 60297-3-100482.6 mm48UU PITCHRAILMASKED BONDRACK WIDTH482.6 mmHOLE PITCH44.45 mmCOATINGmasked bondsPROCESS ROUTECUTFORMWELDCOATASSEMBLEPROCESSDATA CENTRE RACKS ENCLOSURES

Racks and enclosures

Data centre blanking panel: design, materials and manufacturing

A data centre blanking panel closes a 1U hole that leaks about 100 CFM. Steel gauge, finish, latch and flatness compared, with the numbers behind each.

One useful email a month

Drawing checks, tolerance tables, coating failures and sourcing costs, written by the team that runs the plants. No daily drip.