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Overhead crane, steel coils and rebar stacks inside the warehouse, with staff at work

Warehousing, Customs and Steel Guide

50 articles in four topics, from warehousing legislation to steel product codes and from transit trade to stacking rules.

Articles on warehousing, customs and steel products

Palletised goods racked inside a warehouse Warehousing and Customs

What Is a Bonded Warehouse?

A bonded warehouse is a customs procedure that lets you hold your goods without paying duty until you sell them. We explain how it works from start to finish. 5 min read
Aisle of a high-bay warehouse Warehousing and Customs

Types of Bonded Warehouse: A, B, C, D, E and F

Warehouses are divided first into general and private, then into six types by responsibility and operation. Which one suits you? 3 min read
Warehouse entrance door and loading ramp Warehousing and Customs

The Difference Between a General and a Private Bonded Warehouse

The difference is clear in one sentence: whose goods are they? But the consequences run from responsibility all the way to cost. 3 min read
Containers awaiting customs inspection at the port Warehousing and Customs

What Is a Bonded Warehouse?

A bonded warehouse is not a depot but a customs procedure. We explain the difference and what it gains you. 3 min read
A book of regulations and documents on a desk Warehousing and Customs

What Is the Customs Warehousing Procedure?

The warehousing procedure is an economically significant customs procedure that lets goods wait duty-free. What is its legal framework? 3 min read
Official documents being signed in an office Warehousing and Customs

How Is a Warehouse Declaration Filed?

Your broker files the declaration, but if the information on the warehouse side is not prepared correctly the process stalls at the first step. 3 min read
A calendar and a clock — planning deadlines Warehousing and Customs

How Long Can Goods Stay in a Bonded Warehouse?

"Unlimited" is a correct answer but an incomplete one. The event that actually starts the clock is registration of the declaration. 3 min read
A forklift moving a palletised load in a warehouse Warehousing and Customs

What Is Partial Withdrawal?

Partial withdrawal is the warehouse's most concrete contribution to cash flow: you withdraw what you have sold and leave the rest. 3 min read
A calculator and financial statements Warehousing and Customs

How Does Duty Deferral Work in a Bonded Warehouse?

The most concrete benefit of a bonded warehouse: not paying duty until you sell the goods. But what does that mean in figures? 3 min read
Packing and labelling work in a warehouse Warehousing and Customs

Handling Operations in a Bonded Warehouse

Goods do not only wait in a warehouse; within permitted limits, work can be done on them. Where does the limit begin? 3 min read
An official stamp on a document Warehousing and Customs

What Is a Change of Customs Procedure?

Goods in a warehouse do not stay there for ever; at some point they move to another procedure. That move is called a change of procedure. 3 min read
Exterior view of a warehouse building Warehousing and Customs

The Bonded Warehouse Licence

What does the process look like if you are thinking of setting up your own warehouse? And which document should you ask for if you are working with an operator? 3 min read
A consultancy meeting in an office Warehousing and Customs

What Is a Customs Broker and What Do They Do?

The customs broker and the warehouse operator are often confused. They do different jobs and work together. 2 min read
An insurance policy document Warehousing and Customs

A Guide to Warehouse Insurance

The value of goods left in a warehouse is often higher than that of the warehouse itself. Read the policy under three headings. 3 min read
Fire suppression equipment at an industrial site Warehousing and Customs

Can Flammable and Combustible Goods Be Stored in a Warehouse?

The regulations draw a clear line here. If your cargo falls into this class, do not proceed without seeing the certificate. 3 min read
A cost analysis chart Warehousing and Customs

What Determines the Cost of a Bonded Warehouse?

"How much per square metre?" has no single answer. We set out the items that make up the price one by one. 3 min read
A member of staff with a checklist in a warehouse Warehousing and Customs

Ten Questions to Ask Before Choosing a Warehouse

Ask these ten questions before you sign. Do not work with an operator who avoids answering. 3 min read
A security seal on a container Warehousing and Customs

Customs Seals and Warehouse Inspection

What separates a bonded warehouse from a depot is not a lock but a seal and a record. How does inspection proceed? 3 min read
Trapezoidal sheet roof cladding Steel Product Guide

What Is Trapezoidal Sheet?

The most common steel cladding for roofs and façades. How do you choose profile, thickness and coating? 3 min read
Stacked metal roofing sheets Steel Product Guide

Trapezoidal Sheet Profiles: TR27, TR35, TR40

The profile number is not decoration; it shows the height of the trapezoid and its load-carrying capacity. 2 min read
Steel angle sections Steel Product Guide

What Is Angle Iron (L Profile)?

One of the most basic profiles in steel construction. How do you choose size and grade? 3 min read
The surface of galvanised sheet Steel Product Guide

What Is Galvanised Steel Sheet?

The most common way of protecting steel from corrosion. What do the grade and coating codes mean? 3 min read
A zinc-coated steel surface Steel Product Guide

Galvanised Coating Classes (Z100 – Z275)

The Z number is not a brand but the amount of zinc per square metre. Choosing the right class determines the life of the product. 3 min read
Rebar reinforcement on a construction site Steel Product Guide

A Guide to Rebar (Ribbed Reinforcing Steel)

The load-bearing backbone of reinforced concrete. On what basis are diameter, grade and form chosen? 2 min read
Bundled rebar Steel Product Guide

The Difference Between B420C and B500C

The difference between the two grades lies in a single number: yield strength. But the consequence changes the whole reinforcement plan. 3 min read
Stacked square steel sections Steel Product Guide

What Is a Hollow Section?

The most used section in steel construction. How do you choose size and wall thickness? 2 min read
A stack of steel sections in a warehouse Steel Product Guide

Hollow Section Sizes and Wall Thicknesses

Before you look at the size list, answer three questions: which load, which span, which environment? 3 min read
Large-diameter steel pipes Steel Product Guide

What Is Spiral Welded Pipe?

The pipe of large-diameter water and infrastructure lines. How is it produced and where is it used? 2 min read
Galvanised steel pipes Steel Product Guide

What Is Galvanised Pipe?

The classic solution for water and fire lines. Why does the coating thickness matter? 2 min read
Steel pipes stacked in the yard Steel Product Guide

The Difference Between Black Pipe and Galvanised Pipe

The only difference is the coating. But that difference decides where the pipe can be used. 3 min read
Flat bar sections in a workshop Steel Product Guide

What Is Flat Bar?

The most practical profile for connections and reinforcement. How do you choose size and grade? 2 min read
A hot-rolled coil at a rolling mill Steel Product Guide

What Is HRC (Hot Rolled Coil)?

The start of the steel product chain. Sections, pipe and cold-rolled sheet all come from here. 2 min read
The surface of cold-rolled sheet Steel Product Guide

What Is CRC / DKP (Cold Rolled Coil)?

Smooth-surfaced and held to tight tolerances. The material for deep drawing and visible parts. 2 min read
Coloured metal façade panels Steel Product Guide

What Is Pre-Painted Steel (PPGI)?

Galvanised sheet painted in the factory. How does it differ from painting on site? 2 min read
Steel billets at a plant Steel Product Guide

What Is a Steel Billet?

The first link in the steel chain. A billet whose analysis is not documented is an unpredictable input for a rolling mill. 3 min read
Aerial view of a port and industrial zone Foreign Trade and Transit

What Is a Free Zone?

Free zones and bonded warehouses are often confused. Both defer duty, but one permits production. 3 min read
Containers stacked at a port Foreign Trade and Transit

The Difference Between a Free Zone and a Bonded Warehouse

Both defer duty. One question is enough to understand the difference: are you going to produce something? 3 min read
A lorry on the road Foreign Trade and Transit

What Is Transit Trade?

If the goods carry on without entering Türkiye, that business is transit trade. How is it set up? 3 min read
Vehicles awaiting customs formalities at a border gate Foreign Trade and Transit

The Transit Procedure and the T1 Document

If goods are to be moved duty-free from point A to point B, what makes that possible is the transit procedure. 3 min read
A road convoy Foreign Trade and Transit

Using a Bonded Warehouse for Exports to Syria

On the Syria corridor there are times when cargo has to wait. A bonded warehouse makes that wait duty-free and recorded. 3 min read
Lorries queueing at a border gate Foreign Trade and Transit

Export Logistics to Iraq

On the Iraq corridor, waiting and transhipment are unavoidable. Doing that duty-free and on the record runs through a bonded warehouse. 3 min read
Cargo being loaded onto a ship at a port Foreign Trade and Transit

What Is Re-Export?

If goods go on to another country without entering Türkiye, that is called re-export. The warehouse is at the centre of it. 3 min read
A trade contract negotiation Foreign Trade and Transit

Incoterms 2020: A Short and Practical Guide

Incoterms tell you where cost and risk change hands. The wrong choice undermines the contract from the start. 3 min read
Cargo being unloaded from a container Foreign Trade and Transit

Container Unloading and Transhipment

Most damage occurs at this step, as cargo moves from sea to road. How is the process managed? 3 min read
Port cranes and the cargo yard Foreign Trade and Transit

İskenderun Port and Regional Logistics

Why this region? Because production, the port and the border gates are close together. 3 min read
A logistics warehouse full of palletised goods Storage and Stock

What Is Logistics Warehousing?

Warehousing is not just "renting space"; it is managing the goods' waiting period. 3 min read
Stacked steel coils Storage and Stock

How Are Steel Products Stacked?

In steel, loss usually happens not in the sale but in the stack. What does correct stacking look like? 3 min read
A corroded metal surface Storage and Stock

Moisture and Rust in Steel Coil Storage

In steel, loss usually happens not in the sale but during the wait. The most frequent culprit: moisture. 3 min read
Stock counting with a barcode scanner in a warehouse Storage and Stock

How Is Stock Accuracy Achieved?

In a warehouse, quality is the accuracy of the record rather than of the product. The difference must be zero. 3 min read
A warehouse worker wearing a safety helmet Storage and Stock

Occupational Safety in a Warehouse

Handling heavy loads is one of the activities with the highest accident risk. How do you reduce it? 3 min read

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