The Calibre Journal
Field intelligence for buyers, specifiers and engineers.
AllMarketGuideInsightStandards14 ARTICLES · UPDATED WEEKLY
Lead storySat May 02 2026 · 9 min
Q1 2026 commodity outlook: HRC, CRC and the Asia spread
The Asia HRC–CRC spread tightened in Q1 — what it means for Q2 contracting windows for buyers and EPCs.
Current Affairs6 min
India's steel safeguard duty — three months in, who's winning
Current Affairs7 min
Green steel meets Simandou — the iron-ore realignment of the decade
Current Affairs6 min
China's 2026 steel export shift — what CIF Mundra buyers should watch
Technical6 min
The PPGI paint stack — primer, topcoat, backer in 30 μm
Technical6 min
Cold-rolled vs hot-rolled — when the price premium earns itself
Technical6 min
AZ vs Z — the metallurgy behind aluminium-zinc's coastal survival
Technical5 min
Coating weight decoded — Z80, Z275, AZ150 and why the number matters
History7 min
India's steel century — from Jamshedpur 1907 to world's second largest
History5 min
How the Bessemer converter built the modern skyscraper
History6 min
From Damascus steel to modern HRC — the 2,000-year manufacturing arc
Standards6 min