How to Freeze a Mixed RFQ for GI Coil, PPGI Coil, and Carbon Steel Pipe
A freeze list for mixed steel inquiries: split GI coil, PPGI coil, and carbon steel pipe into separate spec blocks, then lock coating mass, paint system, pipe process, weight basis, packing, and EN 10204 3.1 MTC so mill quotes can be compared.
How to Choose Coated Steel Coils for Roofing, Cladding, and Sandwich Panels in Hot Climates
A climate-based buyer guide for coated steel coils in building envelope projects: which substrate (GI or galvalume), paint system, and coating mass to specify for hot-dry, hot-humid, and coastal markets in the Middle East, Africa, and Southeast Asia.
How to Specify Ultrasonic Testing on Steel Plate RFQs (EN 10160 Classes)
A steel-plate RFQ checklist for ultrasonic testing: freeze EN 10160 body and edge classes, keep ASTM A435 and A578 in their own language, and match the UT report to heat and packing before shipment.
ASTM A106 vs ASTM A53: Which Carbon Steel Pipe Should Importers Specify?
A buyer comparison of ASTM A106 seamless high-temperature pipe and ASTM A53 Type F/E/S pipe: scope, silicon, galvanizing, dual-stamp mill quotes, and RFQ wording that stops silent substitution.
EU CBAM for Steel Imports 2026: Emissions Data, Default Values, and RFQ Documents
What steel importers should freeze before an EU landing in 2026: authorised declarant status, the 50 tonne threshold, actual emissions versus default values, and mill documents that sit next to the MTC.
Q355B vs S355JR: What Carbon Steel Importers Must Freeze Before Substituting
A buyer comparison of Chinese Q355B and EN S355JR structural carbon steel: yield class, impact letters, GB/T 1591-2018 vs EN 10025-2, and RFQ wording that stops silent substitution.
FOB vs CIF for Steel Imports: Cost, Risk, and Control Compared
A steel importer's comparison of FOB and CIF under Incoterms 2020: who pays freight, who holds transit risk, what CIF insurance actually covers, and RFQ wording that keeps quotes comparable.
ERW vs LSAW vs SSAW: Choosing the Right Welded Pipe Process for Your Project
A buyer comparison of ERW, LSAW, and SSAW welded steel pipe: forming route, typical service, NDT and MTC checks, and RFQ wording that stops process substitution.
201 vs 304 Stainless Steel: Avoiding Substitution Risk When Sourcing from China
A practical importer guide to 201 vs 304 stainless steel: composition differences, corrosion and welding trade-offs, substitution red flags, and PMI/XRF plus MTC checks before you accept a China shipment.
How to Spot a Questionable Mill Test Certificate: Heat Numbers, Traceability, and Red Flags
A practical importer checklist for spotting questionable steel MTCs: heat-number mismatches, broken traceability, altered PDFs, incomplete chemistry, and EN 10204 3.1 document red flags before shipment.
Steel RFQ Template: What to Include to Get Accurate, Comparable Quotes
A practical steel RFQ template for importers: freeze grade, size, tolerance, packing, MTC, Incoterms, and ports so mill and trader offers can be compared on the same scope.
Third-Party Pre-Shipment Inspection for Steel: What the Report Covers and How to Read It
A practical importer guide to third-party steel pre-shipment inspection (PSI): what SGS/BV/Intertek-style reports cover, how to read pass/fail findings, and which MTC, dimension, and packing checks matter before loading.
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- 1020 vs DC01 Carbon Steel Coil: When Buyers Can Accept Equivalents
- 2205 vs 316L Stainless Steel: Buyer Guide for Duplex Selection
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- Seamless vs Welded Steel Pipe: Inspection Checklist for Overseas Projects
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- EN 10204 3.1 Certificate Checklist for Steel Importers
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