NEWS-Zhishang Steel

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···

Square and Rectangular Stainless Steel Tube: Sizing, Wall Thickness and Finish2026-09-17

How to specify stainless steel hollow sections: the 10x10 to 300x300 mm square and 10x20 to 120x180 mm rectangular range, wall thickness from 0.5 to 75 mm, corn···

Hot Rolled Steel Coil: Specifying Gauge, Coil Weight and Edge Condition Before Processing2026-09-17

A buyer checklist for hot rolled steel coil: how gauge tolerance, coil weight and inner diameter, mill versus trimmed edge, and black versus pickled and oiled c···