NEWS-Zhishang Steel

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···

The Super Austenitic and Nickel Alloy Ladder Above 3162026-09-18

The grades that sit between 316 and the exotic nickel alloys, ranked: 317 and nitrogen-strengthened 317LMN, super austenitic 254 SMO, carburisation-resistant 33···

Ferritic and Martensitic Stainless Steel: 409, 410, 420, 430 and 416HT Compared2026-09-18

How to choose between the ferritic and martensitic stainless grades that carry little or no nickel: the 409 and 430 ferritic tier for exhaust and appliance work···