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Industrial Large Span Steel Frame Warehouse Construction

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Industrial large span steel frame warehouse construction

Project Information
Project site: Rwanda, Africa


Quotation Company
This article is about quotation for prefabricated metal structure building material and related components, which are provided by Qingdao Eihe Steel Structure Co., Ltd(EHSS).

Design Reference Period: the design period for load is 50 years.

Buildings Safety Level: Level 2

Main Design Standards
Portal Rigid Frame Light House Technical Specification for Steel Structure CECS102:2002
Steel Structure Design Specification GB50017-2003
Load Code for The Design of Building Structures GB50009-2012
Code of seismic Design of Buildings GB50011-2010
Technical Code of Cold-Formed Thin-Wall Steel Structures GB50018-2002



Some finished steel materials:



Steel Grade Welding Methods Welding Material
Q235-B Manual electric welder Welding rod:E43 series
Submerged arc welder Welding flux and welding wire:HJ401-H08 or HJ401-H08A
CO2 gas shielded arc welding Welding wire: H08Mn2Si
Q345-B Manual electric welder Welding rod: E50 series
Submerged arc welder Welding flux and wire: HJ402-H08A
CO2 gas shielded are welding Welding wire:H08Mn2Si


Our equipments:
We have two production line with all professional machines: Double contilever welding machine, shot-blasting machine, H type steel wertical machine group, C type steel molding machion, Z type cold forming machine, plate shearing machine, Hydranlic guillotine shears, universal raidial drilling machine, CNC computerized Numerical controldrilling machine, bending machine, muilti-burner cutting machine, portal crane, half of Longmen crane, gas protection welding machine.

Our company carry out the product quality control by the following steps, the following standards refer to National standards < GB 50205—2001>.According to material types involved in thisproject, the material inspection key is to inspect the following items:
1.Using steel tap, micrometer and protractor to inspect the square pipes’ appearance, dimension, tolerance allowed and edge quality.
2.Inspect the defects if there is rust for the appearance quality of the square pipes or nonuniform galvanization , etc
3.Inspect the factory quality certificate and entry reinspect report for the square pipes.
4. Using Coating thickness gauge to check if the square pipes’ thickness meet Requirements
5.Hot galvanized thickness and technology standards
A if the thickness of workpieces is more than or equal to 6mm, the average thickness should be more than 85um, partial thickness should be more than 70um.
B if the thickness of workpieces is less than 6mm or more than 3mm, the average thickness should be more than 70um, partial thickness should be more than 55um.
C if the thickness of workpieces is less than 3mm or more than 1.5mm, the average thickness should be more than 55um, partial thickness should be more than 45um。

Packing

Installation

After sale:
1, We guarantee that all the raw materials and accessories we using in the project in line with the tender documents, technical specifications, national standards, all the use of new qualified products.
2, I guarantee the use of advanced technology and equipment manufacturing steel structure, all components of the dimensions, cross-section size, welding quality, bar deflection and galvanized quality and all technical indicators meet the regulatory requirements.
3, our company on the special process, the key processes (welding, corrosion) to take effective control measures to ensure its inherent quality and stability, so that it has the perfect quality characteristics. The company uses advanced quality testing equipment and strict testing methods, the product of the quality indicators to monitor.

Please feel free to give your inquiry in the form below. We will reply you in 24 hours.
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