What Information Should a Steel Structure Quotation Include?

What Information Should a Steel Structure Quotation Include? 

In cross-border steel structure trade, a complete and rigorous quotation document is the cornerstone of smooth project delivery. Unlike domestic projects, overseas orders involve multiple complex links such as multi-national standard systems, international trade rules, cross-border logistics, and customs compliance. Any missing or ambiguous information in the quotation may lead to serious risks such as customs clearance delays, quality disputes, cost overruns and delivery delays.

As a practitioner with more than ten years of experience in international steel structure trade, I have seen too many enterprises suffer additional losses several times the price difference due to non-standard quotations. This article systematically breaks down the complete composition of a quotation for overseas steel structure orders, covering full-dimensional information from technical details to commercial terms, to help both suppliers and buyers avoid common risks of cross-border projects from the source.

1. Why a Detailed Steel Structure Quotation Is Critical

For overseas steel structure projects, a detailed quotation is far more than a "price list". It is the core basis for division of responsibilities, cost accounting and quality acceptance between both parties. Its importance is reflected in four aspects:

1. Reduce cross-border communication and dispute costs: Cross-border projects have long communication chains, time zone and language differences. In case of scope disputes, the coordination cost is much higher than that of domestic projects. A clear quotation can define boundaries in advance and reduce more than 90% of later disputes.
2. Avoid risks from standard system differences: Different countries implement different structural design, material and acceptance standards. The cost difference between European, American, Australian standards and domestic standards can reach 20%-40%. Only by clarifying standards in the quotation can we avoid mismatched products.
3. Lock the cost boundary of the whole chain: Overseas projects involve multiple links such as inland transportation, customs declaration, ocean shipping, customs clearance and tariffs. Missing items will lead to huge hidden costs. A detailed quotation allows the buyer to accurately calculate the total project investment and avoid "low bid winning with high final settlement".
4. Hedge against price fluctuation risks: International steel prices, exchange rates and ocean freight fluctuate frequently. A sound quotation will stipulate price adjustment mechanisms and validity period to help both parties jointly resist market fluctuation risks.

2. Basic Project Information in a Steel Structure Quotation

This is the basic premise of the quotation, and all prices take effect based on this information. For overseas orders, the project location and standard attributes shall be particularly clarified:

• Project identification information: Full project name, full company name and address of the purchaser, country/city where the project is located, and project purpose (industrial plant, warehouse, public building, etc.).
• Core project parameters: Total building area, total tonnage of steel structure, building span, eave height, crane tonnage (if any), and structural form (portal frame, frame structure, pipe truss, space grid, etc.).
• Implementation standard system: Clarify the standards followed for design, materials, fabrication and acceptance, such as EU EN 1090, American AISC 360, Australian/New Zealand AS/NZS 3679, international ISO standards, etc. It is prohibited to only mark domestic grades without corresponding international standards.
• Project site basic information: Site road conditions, hoisting operation space, local climatic environment (whether special requirements for wind resistance, seismic resistance and corrosion resistance need to be considered), and special access requirements of the importing country for wooden packaging/building materials.

3. Scope of Supply and Structural Components

The supply scope is the core subject of the quotation, which shall be clearly split by component level to avoid vague expressions such as "steel structure supply":

• Main structural components: Main load-bearing components such as steel columns, steel beams, crane girders, column bracings and roof horizontal bracings, with material grades (such as S235JR, S355JR, A36, A572 Gr.50), section specifications and theoretical weight marked one by one.
• Secondary structural components: Roof purlins, wall girts, tie rods, knee braces, tie bars, walkway plates, etc., with material, specification, unit weight and total quantity marked.
• Connection accessories: Ordinary bolts, high-strength bolts (heavy hexagon / shear type, marked with grades such as Grade 8.8, Grade 10.9), welding consumables, backing plates, connection plates, etc. Among them, high-strength bolts are high-value accessories and are recommended to be listed separately.
• Packaging scheme: Clarify the packaging method of components (steel bundle packing, fumigated wooden box, frame box, etc.), which shall meet the requirements of ocean transportation and IPPC phytosanitary standards of the importing country, and mark the packaging unit and maximum single piece weight/size.

4. Roof and Wall Cladding Specifications

The enclosure system is an important part of overseas steel structure orders, and the quotation shall be detailed to the parameters of each layer of material:

• Panel parameters: Base material (aluminum-zinc coated, hot-dip galvanized), substrate thickness, coating type (polyester PE, fluorocarbon PVDF), coating thickness, profile specification, effective coverage width and color number of roof/wall panels.
• Thermal insulation and supporting system: Insulation cotton material (glass wool, rock wool, polyurethane), thickness, density, thermal conductivity; specification and brand of waterproof breathable membrane and vapor barrier; material (PC, FRP), light transmittance, size and quantity of skylight panels.
• Flashing and sealing accessories: Material specifications of metal accessories such as ridge capping, eave trim, door/window flashing, corner flashing, gable end closure; brand and standard of auxiliary materials such as sealant, self-drilling screws and waterproof washers.

5. Doors, Windows and Building Accessories

Although these scattered accessories have low unit prices, the cost of cross-border supplementary procurement is extremely high, and they shall be clarified one by one in the quotation:

• Door and window systems: Size, quantity, material and opening method of industrial sliding doors, rolling doors and swing doors; material (plastic steel, aluminum alloy), size, opening form and hardware brand of windows.
• Ventilation and daylighting accessories: Specification, quantity and material of roof natural ventilators and roof monitors; parameters of side wall ventilation louvers.
• Drainage system: Complete drainage system including gutters (material, thickness, section size), downspouts (material, diameter, quantity), rainwater hoppers and elbow fittings.
• Other building accessories: Specifications and quantities of 附属设施 such as ladders, guardrails, maintenance platforms, door stops and door closers.

6. Engineering and Technical Documentation

Overseas orders have much higher requirements for technical documents than domestic ones. They are essential materials for customs clearance, acceptance and installation, and the list of delivered documents shall be clarified in the quotation:

• Detailed design documents: Shop drawings, joint detail drawings, component layout drawings and material lists, with the language (English/local language) and number of copies of drawings marked.
• Quality certification documents: Steel material certificates, welding consumables quality certificates, coating test reports, third-party mechanical property test reports and weld flaw detection reports.
• Process and compliance documents: Welding Procedure Specification (WPS), welder qualification certificates, rust removal and coating inspection records; for the EU market, CE Declaration of Conformity and relevant certification documents shall be included, and for the US market, AISC certification documents shall be provided (if applicable).
• Delivery and installation documents: Detailed packing list, component number comparison table, installation manual and maintenance manual; if BIM models are required, the delivery depth and format shall also be clarified in the quotation.

7. Surface Treatment and Material Standards

Surface treatment directly affects the service life of steel structures, and it is also the link where low-price quotations are most likely to cut corners. For overseas orders, the corresponding international standards shall be clarified:

• Rust removal process and grade: Rust removal method (shot blasting, sand blasting) and rust removal grade, which shall be marked with corresponding standards, such as Sa 2.5 grade (in accordance with ISO 8501-1). It is prohibited to only write "rust removal treatment".
• Coating system standards: Type of primer (such as zinc-rich epoxy primer), film thickness; brand, type, total film thickness and color number of intermediate coat and topcoat; clarify the number of coating passes and inspection standards.
• Special treatment requirements: If fire retardant coating is required, the fire rating, coating thickness and implementation standard (such as EN 1338-1) shall be listed separately; for coastal high-corrosion environments, special anti-corrosion process and coating system shall be specified.
• Core material standards: All main and auxiliary materials shall be marked with corresponding international standards or standards of the importing country to ensure that material properties meet the project design requirements.

8. Commercial Terms and Delivery Information

This is the commercial core of cross-border quotations, and all prices take effect attached to these terms, which shall be clarified item by item without ambiguity.

8.1 Currency

• Clarify the settlement currency of the quotation, such as US Dollar (USD), Euro (EUR), British Pound (GBP), etc. It is prohibited to appear multiple currencies at the same time without conversion benchmark.
• Mark the exchange rate benchmark date adopted by the quotation, and stipulate the exchange rate fluctuation adjustment mechanism, for example, "when the exchange rate fluctuates by more than ±3%, the excess part shall be adjusted according to actual situation".

8.2 INCOTERMS 2020

Clarify the applicable INCOTERMS 2020 trade terms, which are the core basis for dividing the responsibilities and costs of transportation, insurance and customs clearance between both parties. Description of commonly used terms:

• EXW (Ex Works): Only includes the cost of delivering the goods to the buyer at the factory, excluding any transportation, customs declaration and insurance.
• FOB (Free On Board): Includes all costs before loading, including domestic transportation and export customs declaration, excluding international ocean freight, insurance and destination port customs clearance.
• CIF (Cost, Insurance and Freight): Includes all FOB costs + international ocean freight + marine insurance premium, up to the ship's rail at the port of destination.
• DAP (Delivered At Place): Includes the cost of full transportation to the buyer's designated place, excluding destination port customs clearance and tariffs.
• DDP (Delivered Duty Paid): Includes all costs up to the buyer's designated place, including export declaration, ocean shipping, import customs clearance and tariffs.

8.3 Payment Terms

• Clarify payment methods: Telegraphic Transfer (T/T), Letter of Credit (L/C), collection, etc. International orders usually adopt the mode of 30% advance payment + 65% payment before shipment + 5% retention money.
• Agree on payment nodes and conditions: Time of advance payment receipt, effective after drawing confirmation, proportion of payment before shipment, and return period of retention money (usually 12 months after acceptance).
• For L/C, specify whether irrevocable sight L/C is accepted, whether it is confirmed, and the party bearing bank charges.

8.4 Production and Delivery Schedule

• Clarify the starting point of the production cycle: usually "XX days after receiving the advance payment and the buyer confirming the shop drawings".
• Distinguish key time nodes: factory completion time, estimated shipment time, estimated arrival time. For urgent orders, rush charges shall be marked separately.

8.5 Shipping and Logistics Information

• Specific names of port of shipment and port of destination; transportation mode (FCL, bulk carrier, air freight).
• Transportation scheme and additional costs for oversize single components; insured amount and type of transportation insurance.
• Shipping mark requirements, and inland distribution arrangement after the port of destination (if any).

9. What Is Not Included in a Steel Structure Quotation?

Overseas projects have complex links, so clarifying "what is not included" is as important as "what is included". Conventional quotations usually exclude the following contents:

• Civil foundation works, anchor bolt embedding, grouting and related civil construction;
• Import tariffs, value-added tax, customs clearance fees and terminal handling charges at the port of destination (except under DDP terms);
• On-site installation works, installation labor, hoisting machinery, on-site construction scaffolding and temporary facilities;
• On-site water and electricity fees, construction personnel accommodation and travel expenses, local construction permit and filing fees;
• Fire retardant coating works and special anti-corrosion works (unless specifically agreed to be included);
• Third-party on-site inspection fees and acceptance fees of local government departments;
• Rework and construction delay costs caused by the buyer's delayed drawing confirmation and design changes;
• Additional costs caused by force majeure (port congestion, war, policy changes, natural disasters);
• On-site repair and replacement service costs beyond the warranty scope.

10. How to Review a Steel Structure Quotation Before Placing an Order

After receiving an overseas steel structure quotation, it is recommended to check one by one according to the following 10 steps to avoid pitfalls:

1. Check project information: Confirm whether the project name, country and purchaser information match, so as to avoid mismatched quotations.
2. Check material specifications: Verify whether the steel grade and coating standard meet the international standards required by the project, and be alert to the situation of replacing international standards with domestic grades.
3. Check quantity: Verify core data such as total tonnage, component quantity and enclosure area, pay attention to whether the unit of measurement is metric ton or long ton, and avoid unit errors.
4. Check the scope of supply: Confirm whether the supply only includes the main structure, or includes secondary structure, enclosure system, accessories and technical documents. The price varies greatly with different scopes.
5. Check exclusions: Focus on whether tariffs, customs clearance, installation, etc. are in the exclusions, and judge whether they meet your own procurement expectations.
6. Check engineering responsibilities: Clarify who completes the detailed design, how to carry out technical disclosure, and the visa process and pricing rules for design changes.
7. Check delivery terms: Confirm trade terms, delivery place and packaging standards, and judge whether the division of transportation responsibilities and risks is clear.
8. Check payment terms: Verify payment method, proportion and nodes, evaluate capital pressure and risks. L/C terms shall be submitted to the bank for confirmation of feasibility in advance.
9. Check warranty terms: Clarify the warranty period, warranty scope, as well as the response method of cross-border after-sales and the party bearing the costs.
10. Check quotation validity: The international market fluctuates greatly. Confirm whether the quotation is within the validity period, and the price of expired quotations needs to be re-verified.

11. Why the Lowest Quotation Is Rarely the Best Choice

In cross-border steel structure procurement, choosing the lowest quotation often means higher comprehensive costs. Common low-price traps include:

• Material degradation: Replacing specified standard steel with low-grade steel, or reducing coating thickness and rust removal grade, resulting in 3-5 times faster corrosion and aging in the later stage.
• Malicious omission: Missing necessary items such as certification fees, packaging fees, customs declaration fees and high-strength bolts, and then increasing prices item by item after winning the bid, resulting in the final total price far exceeding the reasonable level.
• Missing documents: Lack of necessary customs clearance documents such as CE certification and material certificates, leading to failure of customs clearance after the goods arrive at the port, resulting in high demurrage fees and reprocessing costs.
• Delivery delay: Small factories have insufficient production capacity and frequently delay delivery, leading to overall delay of the buyer's project, and the construction period loss is much greater than the price difference.
• Absence of after-sales service: When quality problems occur in cross-border projects, low-price suppliers cannot provide technical support, and the on-site rework cost is extremely high.

Mature international procurement pays more attention to the completeness of quotation, standard compliance and supplier delivery capacity, rather than simply price level.

12. Factors Affecting the Reliability of Steel Structure Quotations

The accuracy and reliability of a quotation are jointly affected by multiple factors:

1. Depth of design documents: The quotation deviation between preliminary design drawings and detailed construction drawings can reach 20%-30%. The more complete the drawings and the clearer the joints, the higher the quotation accuracy.
2. International market fluctuations: Steel prices, ocean freight and exchange rates fluctuate frequently. The longer the time between quotation and order placement, the lower the reliability.
3. Standard system requirements: Projects implementing European and American standards have much higher requirements on materials, flaw detection and certification than domestic standards, and the cost is significantly higher.
4. Trade terms and delivery place: From EXW to DDP, the price difference can reach more than 30%. The more remote the delivery place, the higher the logistics cost.
5. Certification and compliance requirements: Compliance requirements such as CE certification, AISC certification and third-party testing will increase costs by 5%-15%.
6. Payment and credit terms: The lower the advance payment ratio and the longer the credit period, the higher the supplier's capital cost, and the quotation will rise accordingly.
7. Special process requirements: Ultra-thick plate welding, complex curved surface processing, high anti-corrosion/fire protection requirements, etc., will push up the processing cost.

13. Frequently Asked Questions About Steel Structure Quotations

1. What information is needed to get a steel structure quotation?

To get an accurate quotation, you need to provide: complete construction drawings (including structure, enclosure and joint details); country/specific location of the project; design and acceptance standards implemented by the project; supply scope requirements (whether including enclosure, accessories and technical documents); preferred trade terms and payment methods; construction period requirements; special surface treatment, certification or packaging requirements. If only for preliminary budget, basic information such as building span, height, area and crane parameters can be provided to get an estimated price.

2. What should a steel structure quotation include?

A complete overseas steel structure quotation should include: basic project information and implementation standards; supply scope details and material specifications; surface treatment and process standards; technical document delivery list; commercial terms (currency, trade terms, payment method, delivery cycle); exclusion list; quality assurance and after-sales terms; quotation validity period and price adjustment rules.

3. Does the steel structure quotation include installation costs?

Conventional export steel structure quotations do not include on-site installation costs by default, and are only factory supply prices (corresponding to trade terms such as EXW/FOB). If the buyer needs to include installation services, the requirements shall be clarified in advance. The quotation will increase costs such as installation personnel travel, construction machinery, on-site management and local construction permits. Usually, installation services will be signed separately.

4. Does the quotation include transportation costs?

The bearing of transportation costs fully depends on the agreed international trade terms. EXW (Ex Works) does not include any transportation costs; FOB includes domestic transportation and export customs declaration, excluding international ocean freight; CIF includes international ocean freight and insurance; DDP includes full transportation to the designated place. The quotation must specify the trade terms to define the ownership of transportation costs.

5. Why list excluded items in the steel structure quotation?

Overseas steel structure projects involve multi-link cross-border cooperation with complex responsibility boundaries. Listing excluded items has two core functions: first, to clarify the work and cost boundaries between the supplier and the buyer, and avoid later disputes due to unclear scope; second, to allow buyers to clearly judge the quotation caliber of different suppliers when comparing quotations, and avoid low-price suppliers carrying out vicious competition through omission.

6. Can I get a quotation without providing structural drawings?

An estimated price can be provided, but the accuracy is low and it is only applicable to preliminary investment calculation. Without detailed drawings, it can only be estimated according to industry experience indicators based on parameters such as building span, height, area and load, and the deviation from the final actual price is usually 15%-30%. A formal commercial quotation must be based on complete construction drawings and technical requirements.

7. How long is the validity period of a steel structure quotation usually?

For overseas orders, the conventional validity period of steel structure quotations is 15-30 days. Due to frequent fluctuations in international steel prices, exchange rates and ocean freight, too long validity period will make suppliers bear excessive market risks. If the project cycle is long, it is negotiable to agree on a price linkage mechanism instead of simply extending the quotation validity period.

Conclusion

An overseas steel structure quotation is never a simple price list, but a collection of technical standards, supply scope, commercial responsibilities and risk division. A rigorous quotation is not only the embodiment of the supplier's professional ability, but also the foundation of smooth project delivery.

For suppliers, a complete quotation can avoid later disputes and protect their reasonable profits; for buyers, understanding the quotation and checking the boundaries can accurately calculate the total project cost and avoid low-price traps. In cross-border steel structure trade, what is more important than price is clear standards, clear scope and reliable delivery.

If you have specific overseas steel structure projects that need quotation calculation, or encounter quotation compliance problems in international trade, you can leave a message in the comment area for communication.