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▶ Carbon Equivalent: Why 0.2% Carbon Doesn't Decide Whether It Welds

▶ The Weighbridge Doesn't Argue: How Your Tonnage Is Actually Measured

▶ Coil Set and Loose Wraps: The Damage That Happens Before Your Line Even Runs

▶ Yes, We Cut and Coat Aluminium Too: Where Our Gutter Coil Fits

▶ Six Digits and One Width: How Your Steel Coil Gets Its HS Code

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Tel：+86-531-88752665

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Industry News

02 2026-11: Carbon Equivalent: Why 0.2% Carbon Doesn't Decide Whether It Welds

How CEV and Pcm are calculated, what EN 10025-2 and A36 actually limit, and when a weld needs preheat.

30 2026-10: Coil Set and Loose Wraps: The Damage That Happens Before Your Line Even Runs

Coil set is the curvature steel remembers from being wound, and loose or telescoped wraps cause damage before your line even starts. What causes each and what t···

29 2026-10: Six Digits and One Width: How Your Steel Coil Gets Its HS Code

How Chapter 72 builds an HS code for flat-rolled steel: the 600 mm width line, coated versus uncoated, stainless and alloy branches, and why the code matters be···

28 2026-10: Pre-Galvanised or Hot-Dip After Fabrication? The Cut Edge Decides More Than You Think

Continuous mill galvanizing and batch hot-dip galvanizing put zinc on in different places, and the cut edge decides which one your job needs.

27 2026-10: Oil Canning: Why a Flat Roof Panel Turns Wavy, and What Actually Fixes It

What oil canning on metal roof panels really is, where the residual stress comes from, and which choices of material, panel geometry and installation keep it aw···

26 2026-10: FOB, CIF or Ex-Works: What the Incoterm on Your Quote Actually Decides

What EXW, FOB and CIF actually decide on an international steel order: who pays, where risk transfers, and the trade-offs buyers keep rediscovering.

23 2026-10: Checkered Plate: What the Pattern Does, and What It Doesn't

Base thickness vs overall thickness, pattern types, slip resistance and weight: how to order checkered plate without the usual confusion.

22 2026-10: The Screws Hold the Roof On: Fastener Choices for Profiled Steel Sheeting

Why fasteners decide how long a profiled steel roof stays tight, and how to match screws, washers and corrosion protection to the sheet.

21 2026-10: Polyester, SMP or PVDF: The Resin Decides More Than the Colour

Polyester, silicone-modified polyester and PVDF coatings age in different ways. What the resin type on a PPGI data sheet actually tells you about service life.

20 2026-10: Ultrasonic Inspection of Steel Sheet and Plate: Laminations, Acceptance Levels and Vague Clauses

Laminations hide inside steel where no surface check can find them. How ultrasonic inspection works, what the acceptance levels mean, and how to write a UT clau···

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Zhishang Steel Co., Ltd

Zhishang Steel, specializing in domestic steel products trade, warehousing, processing and other services. The team has four service teams: Shandong Zhishang Steel Co., LTD., Shandong Zhiyiheng Trading Co., LTD., Tai 'an Zhishang Economic and Trade Co., LTD., Shandong Zhishang Steel Structure Co., LTD. Mainly engaged in steel coil, coated, stee···

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