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AutoCBAM ekibi tarafından gözden geçirildi — son güncelleme 2026-04-28.
Methodology guide -- CN 7216 (angles, shapes and sections)
Structural sections (I-beams, H-beams, channels, angles) are large-volume CBAM imports, typically destined for construction. Türkiye and China are the dominant exporters into the EU.
Step 1 -- production route varies by exporter. Turkish sections are mostly EAF route (similar to rebar). Chinese sections are BF-BOF dominated. The emissions difference is large -- 0.5-0.7 t/t (EAF) vs. 1.9-2.4 t/t (BF-BOF) direct.
Step 2 -- request verified data for Turkish sources. Pushing for verification on Turkish supply is high-leverage; for Chinese supply, the default already approximates the BF-BOF reality and verified data may be more aligned with the default.
Step 3 -- handle finishing operations correctly. Sub-codes for sawn / drilled sections (72165000+) include downstream cutting and machining. These add minimal emissions (<0.05 t/t); they should be in supplier scope 1 already.
Step 4 -- check for indirect emissions allocation. Sections are produced in parallel with other long products (rebar, wire rod) on the same caster. Demand a per-product mass-based allocation; reject any supplier number that does not document the allocation method.
Step 5 -- track Türkiye's ETS rollout. As with rebar, the Article 9 deduction will be available once Turkish ETS covers steel. Set up your supplier-data flow to capture per-tonne carbon cost paid.