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Steel sourcing & quality essays · Page 2

Ongoing articles on sourcing, specs, exports, and quality.

SABER and SASO Certification for Steel Exports to Saudi Arabia: Importer Guide cover image
Export & Logistics

SABER and SASO Certification for Steel Exports to Saudi Arabia: Importer Guide

A practical importer guide to SABER, SASO technical regulations, PCoC vs SCoC, Saudi Quality Mark for rebar and plates, MIM product declarations, and RFQ fields that keep Saudi steel shipments clearance-ready.

Hot Rolled vs Cold Rolled Steel Coil: Sourcing Differences for Importers cover image
Carbon Steel

Hot Rolled vs Cold Rolled Steel Coil: Sourcing Differences for Importers

A practical importer comparison of hot-rolled and cold-rolled steel coil: surface, thickness range, tolerances, formability, cost drivers, and RFQ fields that keep mill quotes comparable.

API 5L PSL1 vs PSL2: What Pipe Importers Must Specify and Why It Matters cover image
Steel Pipes

API 5L PSL1 vs PSL2: What Pipe Importers Must Specify and Why It Matters

A practical comparison of API 5L Product Specification Levels for line-pipe buyers: chemistry and CE limits, yield/tensile caps, CVN impact, NDT, and RFQ wording that prevents under-specified orders.

How to Verify a Chinese Steel Supplier Before Ordering: License, Certifications, and Factory Audit Checklist cover image
Quality Control

How to Verify a Chinese Steel Supplier Before Ordering: License, Certifications, and Factory Audit Checklist

A practical pre-order checklist for steel importers: check the business license and USCC on GSXT, validate ISO scope, confirm mill vs trader, and run a factory audit before deposit.

EU Steel Import Rules 2026: Quotas, the 50% Duty, and Melt-and-Pour Documentation for Buyers cover image
Export & Logistics

EU Steel Import Rules 2026: Quotas, the 50% Duty, and Melt-and-Pour Documentation for Buyers

How the EU Steel Overcapacity Regulation changes steel imports: tighter tariff-rate quotas, a 50% out-of-quota duty, and the melt-and-pour origin evidence buyers should prepare before October 2026.

API 5L vs ASTM A53 Steel Pipe: A Buyer Guide to Scope, PSL, Testing, and RFQs cover image
Product Comparison

API 5L vs ASTM A53 Steel Pipe: A Buyer Guide to Scope, PSL, Testing, and RFQs

Compare API 5L and ASTM A53 steel pipe by scope, PSL, manufacturing route, inspection evidence, and the RFQ details that prevent substitution risk.

ASTM A1011 vs A1018 vs A36 Hot Rolled Steel: Buyer Guide for Coil and Sheet RFQs cover image
Standards & Grades

ASTM A1011 vs A1018 vs A36 Hot Rolled Steel: Buyer Guide for Coil and Sheet RFQs

Compare ASTM A1011, A1018, and A36 for hot rolled coil and sheet, including thickness routes, CS vs SS designations, HRPO surface choice, MTC checks, and RFQ wording that prevents mis-specification.

Q235 vs ASTM A36 Structural Steel: Buyer Guide for Grade Selection and RFQs cover image
Standards & Grades

Q235 vs ASTM A36 Structural Steel: Buyer Guide for Grade Selection and RFQs

Compare Q235 and ASTM A36 for RFQs, dual certification, certificates, inspection, and packing so buyers avoid false grade substitution on structural projects.

AH36 vs DH36 Shipbuilding Steel Plate: Buyer Guide for Grade Selection and RFQs cover image
Standards & Grades

AH36 vs DH36 Shipbuilding Steel Plate: Buyer Guide for Grade Selection and RFQs

Compare AH36 and DH36 shipbuilding steel plates for RFQs, impact testing, certificates, inspection, and packing so buyers avoid false grade substitution on marine projects.

S355JR vs ASTM A572 Grade 50: Structural Steel Buyer Guide for RFQs and Projects cover image
Standards & Grades

S355JR vs ASTM A572 Grade 50: Structural Steel Buyer Guide for RFQs and Projects

Compare S355JR and ASTM A572 Grade 50 for structural procurement, with RFQ fields, inspection checks, and documentation rules that prevent false grade equivalence.

Steel Coil Width and Thickness Tolerance: An RFQ Checklist for Importers cover image
Quality Control

Steel Coil Width and Thickness Tolerance: An RFQ Checklist for Importers

Learn how to specify steel coil width and thickness tolerance, measurement rules, edge condition, inspection records, and RFQ details before shipment.

Galvanized Coil Defects: White Rust, Bare Spots, Oil Issues, and How Buyers Should Specify Prevention cover image
Quality Control

Galvanized Coil Defects: White Rust, Bare Spots, Oil Issues, and How Buyers Should Specify Prevention

A practical defect map for GI coil importers—white rust, thin zinc, coating cracks, oil streaks, and edge problems—with root causes and the PO language that reduces claims.

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