What standards does your steel structure comply with?

We provide designs according to EN1090 (Europe), AS4100 (Australia), AISC-360 (America), and GB standards.

What is the delivery time for the order?

The delivery time is within 4 to 6 weeks.

What is the maximum clear span available?

We offer clear spans up to 60 meters without middle columns.

Portal Frame Steel Structure Prefab Warehouse Steel Structure Workshop Office Apartment Building

Name: Portal Frame Steel Structure Prefab Warehouse Steel Structure Workshop Office Apartment Building
Brand: Qingdao Steel Building Co., Ltd.
SKU: 1940985962

Shandong, ChinaQingdao Steel Building Co., Ltd.

US$50.00

500-999 Square Meters

US$35.00

1,000-4,999 Square Meters

US$20.00

5,000+ Square Meters

Product profile

Customization

Available

After-sales Service

2D &3D Installation Drawing& Install Video

Connection Form

Bolt Connection

Model NO.

STL-Steel Building

Construction Member

Steel Column & Rafter,Purlin ,Tie Beam etc

Grade

Quality Carbon Structural Steel And Alloy Structural Steel

Molding Method

Hot Rolled & Weld

Residential Wall Structure

Wall Support

Standard

GB,En1090,ASTM,as

Steel Type

High-Strength Steel

Structure

Steel Structure

Install

Online Guidance

Usage

Steel Structure Building

Drawing

Free Design Drawing, 2D& 3D Version

Wind,Snow,Earthquake Resistance

80~280km/H, 30~200kg/M2, Grade 9

Frame

Steel Portal Frame Building

Certificate

ISO, CE, Third Party Inspect

Roof Pitch

10%, 12%, 16%, 25%, 30%etc

Bay

5m, 6m, 7, 9m etc

Column & Rafter

Hot Rolled H Beam or I Beam

Tie Beam

Round Pipe or Square Tube

Purlin

C Purlin, Z Purlin, Hot Rolled H Beam Purlin

Roof & Wall Coverage

Single Corrugated Sheet or Sandwich Panel

Window

PVC or Aluminum Alloy Frame Window

Gate

Sliding Industrial Door or Roller Shutter Door

Option

Skylight Belt, Ventilation Fitting, Gutter, Crane

Transport Package

Main Structure Loading in 40FT Ot, Others Loading

Specification

Customized

Trademark

STL

Origin

China

HS Code

9406900090

Production Capacity

10000sqm Per Month

Key features

Free Design Drawings: Provides free 2D and 3D architectural design drawings for all projects.

50+ Year Service Life: Durable structure frame designed for a service life exceeding 50 years.

High Strength Steel: Utilizes S355JR, Q355B, GR50, and AS3678-350 high-strength steel materials.

Clear Span Up to 60m: Offers large clear spans up to 60 meters without intermediate columns.

Bolt Assembly: Features bolt assembly design, eliminating the need for on-site welding.

Global Standards: Complies with EN1090, AS4100, AISC-360, and GB standards for worldwide use.

Fast Delivery: Ensures quick delivery within 4 to 6 weeks for efficient project timelines.

Expert Installation Support: Provides online guidance, 2D/3D drawings, and video installation support.

Company profile

Years of Export ExperienceQuality AssuranceProduct CertificationManagement Certification

Qingdao Steel Building Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Full Customization CertifiedExport Year: 12 years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤3.77h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company and professional technical supplier with manufacturing, export, service, quality-control, and R&D capabilities. It provides 3D software design, sample-based and full customization, ODM, and OEM services, and reported new products within the past year. Production information includes prefabricated steel structure building capacity of 100,000 square meters, steel structure frame capacity of 5,000 tons, and other fabricated steel structure capacity of 2,000 tons. Quality credentials include CE compliance certification and ISO9001:2015 certification, supported by raw-material traceability and documented corrective-action and complaint procedures. However, the available information shows no overseas warehouse, showroom, agent, branch, or offline trade-show participation, and no valid manufacturing-capacity contract with affiliated subcontractors. Evidence of customer cases is limited because no Fortune 500 cooperation is reported, although repeat buyers account...

Supplier typeThe supplier is explicitly described as a professional technical supplier and a combined company. Its stated business scope includes construction-related products and manufacturing/processing of doors and windows, while its profile covers manufacturing, export trade, services, quality control, and R&D.

CertificationsThe supplier reports CE certification for product compliance and an ISO9001:2015 management-system certificate. It also states that quality assurance and raw-material traceability are implemented, providing direct support for formal quality-control practices.

After-Sales capabilityThe supplier has documented procedures and records for handling customer complaints, corrective and preventive actions, and service-capability assessment. It also has in-stock capacity and a stated one-month average lead time in both peak and off-season, but has no overseas warehouse, overseas showroom, overseas agent or branch, and serves zero stated overseas countries.

R&D capabilityThe supplier provides 3D software design, sample customization, full customization, ODM, and OEM services, and reports new products within the past year. However, it has no available SDK and lists only two R&D engineers, so the evidence supports active development capability but not a broad or advanced technical platform.

Production capacityReported annual capacity includes 100,000 square meters of prefabricated steel structure buildings, 5,000 tons of steel structure frames, and 2,000 tons of other fabricated steel structures. The supplier lists cutting, shearing, welding, assembly, and inspection processes, with written inspection procedures followed; however, it has no valid manufacturing-capacity contract with affiliated subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples and full customization, provides 3D software design services, and offers both ODM and OEM services. These capabilities directly indicate support for tailored product and design requirements.

Product Q&A

Q:Is your company a factory or a trading company?

We are a factory, so you can get the best and competitive price.

Q:What quality assurance do you provide?

We conduct self-inspection at every step during design and fabrication, and third-party inspections are also accepted.

Q:Do you offer on-site installation guidance overseas?

Yes, we can send professional technical engineers to supervise installation on-site overseas in countries such as Iraq, Dubai, South Africa, Algeria, and Ghana.

Q:What is your main market?

Our main markets include Europe, Africa, Middle East Asia, Southeast Asia, Australia, New Zealand, and South America.

Q:What is the service life of the steel structure?

The structure frame is designed for a service life of more than 50 years.