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Reading a mill test certificate — what every buyer should check

Calibre Editorial
Commodity Research Desk
Sat May 02 2026 · 6 min
Reading a mill test certificate — what every buyer should check — Calibre Insights

Heat number, chemical composition, mechanical test results — the five fields that flag a substandard MTC.

Restocking, not real demand

Chinese steel inventories at port came down by 4.1 percent through February, partially absorbed by a delayed restock cycle that mills had pushed past the Lunar New Year. Contracted volumes from Korean and Japanese mills rose 6 percent month-on-month — but spot was the real story.

If you signed FY26 contracts on the December assumption, you are now paying through the nose for tonne-on-tonne flexibility.

What to do for Q2 contracting

  • Lock in 60–70% of base volume on quarterly fix; leave the balance on monthly index
  • Push for split-incoterm flexibility (FOB ↔ CFR) inside the same MOQ
  • Pre-negotiate PPGI / PPGL paint-line capacity for monsoon-window deliveries