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Steel Structure Building
Created with Pixso. Pre-Engineered Steel Structure Building with 50 Years Life Span, Fireproof Design, and Hot Rolled H Steel Construction

Pre-Engineered Steel Structure Building with 50 Years Life Span, Fireproof Design, and Hot Rolled H Steel Construction

Brand Name: KXD
Model Number: KXD-SSW1059
MOQ: 200 Square Meters (MOQ)
Price: US$50.00-100.00
Delivery Time: 30days
Payment Terms: T/T
Detail Information
Place of Origin:
Qingdao
Certification:
ISO, SGS, CE, BV
Accessory:
Flashing, Skylight, Fans, Gutter,etc
Web Width:
7-28mm
Window Material:
Aluminum Alloy
Keyword:
Steel Structural Steel Frame Building
Shot Blasting Level:
SA 2.5
Life Span:
More Than 50 Years
Product Fire Resistance:
Fireproof
Profile:
Hot Rolled H Steel / Weld H Steel
Wall And Roof:
Steel Cladding Sheet,Sandwich Panel
Type:
Prefab Steel Structure Building
Steel Frame Surface:
Galvanized Or Painted
Packaging Details:
pallet
Supply Ability:
5000ton/Month
Highlight:

50 Years Life Span Pre-Engineered Steel Building

,

Fireproof Steel Structure Building

,

Hot Rolled H Steel Prefabricated Steel Building

Product Description
Peb Light Steel Structure Fabrication Building Warehouse (KXD-SSB35)
Product Specifications
Model NO. KXD-SSB54
Color Reference Ral
Member of Engineering Team 20
Quality Control Daily
Life Cycle 50 Years
Construction Period 60 Days
Customer Service Aftersale Service
Porject Management Turnkey Solution
Engineering Tools Autocad
Type H-Section Steel
Standard GB
Forming Hot-Rolled Steel
Carbon Structural Steel Q235
Residential Wall Structure Wall Support
Warranty 30 Year Limited Warranty
Transport Package Seaworthy Package
Specification SGS / ISO/ BV
Trademark KXD, Low-alloy High-tensile Structural Steel
Origin China
HS Code 9406900090
Production Capacity 5000ton/Month
Pre-engineered Structural Steel Building Overview

Pre-engineered steel buildings are steel structures built over a structural concept of primary members, secondary members, roof and wall sheeting connected to each other and various other building components.

These buildings can be provided with different structural and non-structural additions such as skylights, wall lights, turbo vents, ridge ventilators, louvers, roof monitors, doors & windows, trusses, mezzanine floors, fascias, canopies, crane systems, insulation etc., based on customer requirements. All steel buildings are custom designed to be lighter in weight and high in strength.

Pre-engineered steel building model and design
Applications

Pre-Engineered Buildings are the most flexible solutions for contractors and owners. With advantages of low cost, high durability, perfect quality control and fast erection; PEBs are used for various applications:

Industrial Applications
  • Factories
  • Workshops
  • Warehouses
  • Cold Storages
  • Steel Mills
  • Assembly Plants
Industrial pre-engineered building application
Commercial Applications
  • Showrooms
  • Supermarkets
  • Offices
  • Shopping Centers
  • Exhibition Halls
  • Restaurants
  • Logistic Centers
  • Multi-purpose Buildings
Commercial pre-engineered building application
Public & Other Applications
  • Schools
  • Hospitals
  • Conference Halls
  • Laboratories
  • Museums
  • Stadiums
  • Farms
  • Utility Shelters
  • Pump Stations
  • Aircraft Hangars
  • Airport Terminals
Key Advantages
Cost Savings

Price per square meter can be 25%-30% lower than conventional steel buildings. Site erection cost is low because of faster erection times and easier erection process.

Quick Erection

All steel components are fabricated at the factory and linked by bolts at the site. So the erection process is fast, step by step, easy to install and requires simple equipment. 60% less construction time required compared with traditional R.C.C (reinforced concrete) building.

Flexibility

Pre-engineered steel buildings are flexible in any requirement of design, easy to expand in the future and also economically with low transportation costs.

Energy Efficiency

Nowadays, pre-engineered buildings are the green solution for the environment with CO2 reduction, energy efficiency, and recyclability.

Building Components

Pre-engineered metal buildings consist of following components:

  • Primary Members / Main Frames
  • Secondary Members / Cold Formed Members
  • Roof & Wall Panels
  • Accessories, Buyouts, Crane System, Mezzanine System, Insulation, etc.
  • Sandwich Panels
Primary Members / Main Frames

Primary members are the main load carrying and support members of a pre-engineered building. The main frame members include columns, rafters and other supporting members. The shape and size of these members vary based on the application and requirements.

Primary members of pre-engineered building
Secondary Members / Cold Formed Members

Secondary structural framing refers to purlins, girts, eave struts, wind bracing, flange bracing, base angles, clips and other miscellaneous structural parts.

Purlins, girts and eave struts are cold formed steel members which have a minimum yield strength of 345 MPa (50,000 psi) and will conform to the physical specifications of GB/ISO/CE or equivalent.

Roof & Wall Sheets/Panels

Standard steel panels are 0.3, 0.4, 0.5 mm or 0.6 mm thick and have a minimum yield strength of 345 MPa. Steel panels are hot dipped and galvanized with zinc or zinc-aluminium coating. The base material is pretreated, before applying a corrosion resistant primer and top coat.

Other Building Accessories

Other building accessories include anchor bolts, fasteners (bolts, nuts, turnbuckle, expansion bolts), gutters, downspouts, doors, windows, ventilators, skylight panels, louvers and all other building-related materials.

Manufacturing Process
A: Material Receiving Procedure
  • Verify receiving documents and quantity of received material
  • Submit load for QC inspection
  • Visual inspection for surface condition and damages
  • Dimensional inspection for length, width, depth, thickness
  • Verification of material certificates and heat numbers
  • Preparation of Incoming Material Inspection Report
B: Material Preparation

Preparation of Plates:

  • Transfer drawings to storage device using expert software
  • Copy drawings into plate processing machine
  • Automated punching of part marks
  • Drilling of plates as per NC files
  • Plasma cutting of plates

Preparation of Beams/Tubes:

  • Fabrication drawings prepared by design department
  • Automated cutting and drilling
  • Transfer to fit-up section after completion
C: Fit-up Process
  • Fabrication drawings issued by production engineer
  • Collection of prepared beams and connection details
  • Fixation of end plates, gusset plates, stiffeners, purlin cleats
  • Tack welding of components
  • QC inspection after fit-up completion
Fit-up process in manufacturing
D: Welding & Grinding

Submerged Arc Welding Procedure:

  • Plan jobs to be welded
  • Clean welding locations free of dust, oil, grease
  • Set wire feed and voltage for welding
  • Maintain fillet size parameters per GB50661-2011 standard
  • Remove spatters and slag completely after welding
  • Grind off burrs, sharp edges and excessive reinforcements
  • QC inspection after completion

MIG Welding Procedure:

  • Similar process as submerged arc welding
  • Maintain fillet size parameters per GB50661-2011 standard
  • Post-welding cleaning and grinding
  • QC inspection after completion
Welding process in manufacturing
E: Blasting Process
  • Tool Box Talk performed for every task
  • Recording of fabricated steel ID for traceability
  • Cleaning with high pressure air to remove surface dust
  • Automated blasting through conveyor system
  • Six internally mounted wheels for high-velocity blasting
  • Achievement of SA 2/2.5 surface preparation grade
  • Full PPE requirement for personnel
Blasting process in manufacturing
F: Painting Process
  • QC inspection of blasted surfaces
  • Atmospheric condition checks before application
  • Surface temperature: 23-40°C, Relative humidity: 50-85%
  • Application primarily by Airless spray
  • Paint material conformity checks
  • Wet Film Thickness monitoring during application
  • Three-coat painting system with site touch-up after erection
Painting process in manufacturing
G: Loading and Shipping
  • Receiving finished components from painting department
  • Proper storage job-wise in yard
  • Arrangement of trucks from contract companies
  • Loading after job clearance confirmation
  • Documentation maintenance in job file
Quality Standards & Control

With 20 year warranty in the steel building industry, our company maintains strict quality standards. We have acquired ISO9001 and CE certificates and follow these related standards:

  • GB/T1591-2008/2018
  • GB/T11263-2010
  • GB/T 2518-2008
  • GB/T12754-2006
  • GB/T 1228-2006
Fillet Weld Size Quality Control

Purpose: To ensure quality of fillet weld, meeting technical requirements of welded members and improve standardization of fabrication.

Application Scope: Applies for design, fabrication and inspection of fillet weld size.

Fillet Weld Leg Size Requirements:

  • All fillet weld size should not be less than drawing and design values
  • Minimum fillet weld size K≥1.5*t (t = thickness of thicker welding member)
  • Maximum fillet weld size K≤1.2t (t = thickness of thinner welding members)
  • Edge welding limitations based on member thickness
  • Circular hole limitations: K≤(1/3)d
  • Maximum size without groove: 17mm
Fillet weld size definitions and illustrations Fillet weld applications and standards
Fillet Weld Size Selection Guidelines
Form of Fillet Weld Leg K (Fillet Weld Size) Value Note
Fillet weld without groove K=(0.7~1)t and ≤15mm For most steel structure buildings
Fillet weld without groove K=(0.5~0.6)t For strengthening ribs and secondary members
Fillet weld with groove (CJP and PJP) K=t/4 and K≤10mm For most steel structure buildings
Fillet weld with groove (CJP and PJP) K=t/2 and K≤10mm Important members (crane beams)
Minimum Fillet Weld Size Chart
Parent Metal Thickness (t)(mm) Minimum Fillet Weld Size
t≤6 3 (minimum 5 for crane beam)
6 5
12 6
t>20 8
H Section Manufacturing Equipment and Process

Steel plate cutting → H section assembly → Automatic welding → H section strengthening → Assembly → Manual welding → Shot blasting → Painting → Storage

I. Steel Plate Cutting
  • Quality checks and material verification
  • Precision setting-out by profession workers
  • CNC cutting equipment preferred
  • High purity gases for smooth cutting surfaces
  • Special imported cutting machines for grooves

Equipment Used:

  • Portable CNC Fire-cutting machine (CNCDG-1530)
  • Straight flame cutting machine (DZCG-4000A)
  • CNC cutting machine (CNC-4000C)
  • Radial drilling machine (Z3050*16/1)
  • Puncher machine (JH21-400)
  • Shearing machine (Q11Y-25*2500)
II. H Section Steel Assembly
  • Assembly on imported H section production line
  • 4 hydraulic positioning system
  • Adjustment of flange parallelism and web perpendicularity
  • CO2 gas shielded welding for fixing

Equipment: H section steel assembly machine (Z20B)

III. Automatic Welding
  • Gantry-type submerged arc automatic welding
  • Specified welding sequence and parameters
  • Preheating for ultra-thick plates
  • Electrical heaters for temperature control

Equipment: Gantry-type submerged arc automatic welding machine (LHA5ZB)

IV. H Section Steel Strengthening
  • Correction of flange flatness
  • Flame correction for perpendicularity
  • Side bending correction
  • Flame temperature control: 600~800°C

Equipment: H section steel strengthening machine (YTJ60B), H section flange strengthening machine (HYJ-800)

V. Simulated Assembly of Component
  • Familiarization with component shop drawings
  • Model component re-checking
  • Accurate mark-up
  • First assembly inspection
  • Batch assembly after qualification
VI. Manual Welding

Manual welding processes as required for specific applications

VII. Shot Blasting
  • 10-ramming heads shot blasting machine
  • Machine entry size: 1500*2500
  • Member size capacity: 1200*2000
  • Surface preparation grade: Sa2.5

Equipment: 10-ramming heads shot blasting machine (QH1525)

VIII. Painting
  • Even, flat, glossy painting surface
  • No cracking, peeling or pin holing
  • Standard thickness: 150μm indoor, 125μm outdoor
  • Allowable deviation: -25μm
  • Two coats primer: 40±5μm
  • Two coats finish paint: 60±5μm

Equipment: Airless sprayer (CPQ9CA)