Guides for Buyers and Engineers
Practical guides on sourcing, standards and design for manufacture of welded and machined steel parts.
- SourcingCustoms and CBAM
- EN 1090Execution classes
- DesignMachining after welding
- ISO 9001Certified
- Since 1972Steelwork in İzmir
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Sourcing welded steel parts from Türkiye
Costs, lead times, customs, A.TR and CBAM, and what to ask a supplier.
Read the guide →EN 1090 execution classes explained
EXC1 to EXC4, how the class is chosen, and what changes from EXC2 to EXC3.
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Machining after welding
How to dimension a weldment: datums, machining stock, ISO 13920 and stress relief.
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How to request a quote
What to send with an RFQ for welded and machined parts, and which details change the price most.
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Supplier audit checklist
Certificates, welding documents, traceability and capacity: how to qualify a fabricator.
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Designing lower-cost welded frames
Joints, weld size, tolerances and machining stock that cut the price of a frame.
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Tolerances: ISO 13920 vs ISO 2768
Tolerance classes for welded and machined parts, with tables and drawing tips.
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Türkiye vs Eastern Europe vs China
Transport, customs, CBAM and cost drivers compared for European buyers.
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Corrosion protection for steel parts
Galvanizing, ISO 12944 paint systems, powder coating and duplex compared.
Read the guide →From prototype to series
Jigs, robot welding, first article and call-off orders for 50 to 5,000 pieces a year.
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Designing for hot-dip galvanizing
Vent and drain holes, overlaps, distortion and threads for galvanized weldments.
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Stainless steel welded frames
304 vs 316L, TIG or MIG, pickling, passivation and finishes.
Read the guide →Have a question we did not cover?
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