NEWS-Zhishang Steel

Mill Test Certificates for Hot Rolled Carbon Plate: What to Check Before Release2026-09-22

How to read a mill test certificate for hot rolled carbon plate: what the Q195, Q235 and Q345 yield numbers actually promise, why the chemistry line decides wel···

What Actually Moves Galvalume Sheet Metal Prices2026-09-22

Why two quotes for the same AZ150 galvalume sheet can differ by twenty percent: the DX51D to S550GD substrate ladder, coating mass priced by area rather than th···

Wrinkle Finish PPGI: What the Textured Topcoat Is Actually For2026-09-21

How the fishnet texture on wrinkle PPGI is produced by additives in the baked topcoat rather than by embossing, why the finish hides oil-canning and glare on wi···

Galvanized Steel Grade Codes: SGCC, DX51D+Z, CS Type B and ST02Z Compared2026-09-21

Why the same galvanized coil is called SGCC, DX51D+Z, CS Type B or ST02Z depending on the standard, how coating masses Z275, Z27 and G90 map to each other, wher···

Stainless Steel Coil and Strip: Temper, Slitting and Surface Protection2026-09-20

How temper, slit edge condition and surface protection decide whether stainless coil forms cleanly: the six material conditions from soft to full hard, the grad···

Galvalume Steel Coil: What an AZ Coating Designation Actually Tells You2026-09-20

What the AZ number on galvalume coil actually measures, how the 55% aluminium-zinc coating behaves differently from zinc at a cut edge and over a fold, where he···