Industry news-Zhishang Steel

Flat Plate Does Not Happen by Accident: Coil Set, Wavy Edges and What to Specify2026-10-12

Four defects hide behind the words "not flat": coil set, crossbow, wavy edge and centre buckle, plus camber in slit strip. Where the residual stress comes from,···

Seawater Service: Matching the Alloy to Splash Zone, Immersion and Coastal Air2026-10-12

Seawater is three environments, not one: salt-laden coastal air, a splash zone that concentrates chloride by wetting and drying, and warm immersion. Where Z275 ···

Machining Stainless Steel: Free-Cutting Grades, Work Hardening and What to Tell the Shop2026-10-12

The gap between 416HT at 85 per cent of a free-machining carbon steel and an austenitic grade is set by work hardening, elongation and thermal conductivity, not···

Specifying Precipitation-Hardening Stainless: What the Heat Treat Condition Actually Means2026-10-12

Precipitation hardening is a strength range, not a grade. What Condition A, H900, H1075, TH1050, RH950 and CH900 each commit the mill to, why the annealed value···

After the Weld: Cleaning, Pickling and Passivating Stainless Steel2026-10-10

The corrosion resistance of stainless steel is a nanometre-scale film, and welding replaces it with oxide scale and a chromium-depleted layer. Why heat tint is ···

Sour Service Pipe: What NACE MR0175, HIC and SSC Testing Actually Cover2026-10-10

Sour service is not one risk but two. What MR0175 actually qualifies, what TM0177 and TM0284 each measure, why the HIC coupon and the SSC coupon ask different q···