Why Choose Us

All what You Need To Know About Us

STEEL STRUCTURE DAVY CUP Co., Ltd. is a company specialized in designing, developing, manufacturing, installing, selling steel structures and undertaking various kinds of steel structures.Our main product ranges have H beam, C and Z shape steel purlins, color steel panels, sandwich panels, steel pipe and so on.

Quick Message

Fill in this form or click the service online, all questions will be answered.

Up to 50years big span galvanized steel where house

  • Qingdao Large Span Galvanized Steel Structure Industrial

    Qingdao large span galvanized steel structure industrial warehouse building for Africa. 1. Product descriptionQingdao large span galvanized steel structure industrial warehouse building for Africa is a new type of building structure system. The main steel frame is formed by linking up H section,Z section and U section steel components, and Read More

  • Big span car parking steel structure prefabricated

    up to customer's requ e st, t he max span clear distance can up to 36m without middle columns. 12S teel structure costunit price range from FOB USD15 to USD35 per square meter . according to customer’s request. 13S ervice lifegalvanized steel frame more than 50 years. painted steel frame more than 30 years or more, according to clients' protect. 14Read More

  • Joining Galvanized Steel Sheet [Archive] The Home Shop

    Galvanized steel holds up just fine for a long time. The galvanized flashing and gutters on my house are around 40 years old and are still good. BUT,galvanized flashing like many things isn't what it used to be.The new stuff I used was 24 ga. and it rusted in less than 4 years.Read More

  • Galvanized Steel Plumbing Issues, Lifespan and More

    Jul 17, 2014 · Corrosion also occurs to steel when it is connected directly to copper or brass. What is the life expectancy? Galvanized steel pipes have an average life expectancy of 40 to 50 years. Since these have not been installed since, at the very latest, the 1960’s, these would all Read More

  • AuthorSquare One Insurance
  • Large Span Galvanized Prefabricated Steel Structure

    If you want to know more about Large Span Galvanized Prefabricated Steel Structure Prefabricated House from Grey Large Span Light Steel Structure with Sandwichpanel Qingdao Lingshan Steel Construction Co., Ltd. Span Morden Prefabricated Steel Warehouse Steel structure building is formed by the main framework through linking up the H Read More

  • Prefab Large Span Steel Space Frame Structure Logistics

    Prefab Large Span Steel Space Frame Structure Logistics Warehouse , Find Complete Details about Prefab Large Span Steel Space Frame Structure Logistics Warehouse,Steel Structure Warehouse,Famous Steel Structure Buildings,Steel Structure Residential Building from Warehouses Supplier or Manufacturer Qingdao BY Building Materials Co., Ltd.Read More

  • China new design large span cost efective galvanized steel

    Dec 06, 2018 · Gaoya is a professional manufacturer specialized in designing,producing and installing building,vessel,bridge,electric transmission tower steel structures,and it's also engaged in the sale and installation of steel scaffold,wire frame,doors,windows,hardware parts, tools, electrical equipment,decoration materials,steel sheet etc,which make it become a comprehensive modern Read More

  • User rating5/5
  • Use Residential Steel Beam For Great Support Taller Is

    A residential steel beam is very common in most homes. Most are 8 inches tall, but 10 or 12 inch high beams allow you to span greater distances with fewer pesky columns. Revised February 2018. Residential Steel Beam TIPS. Beams come in all sizes, thicknesses, weights, lengths and galvanizedRead More

  • Don't get hosed on plumbing replacement SFGate

    Galvanizing is a metallurgical process used over the past 150 years to coat steel or iron with zinc to inhibit corrosion. The life span of galvanized pipe used for water delivery is about 40 years.Read More

  • AuthorBill Burnett And Kevin Burnett

    to the required length up to 12.5m or can be easily cut on site if necessary. The extensive range of brackets and accessories available with Boxspan makes it easy to use and a simple substitute for timber. The Benefits of using Boxspan • Minimal maintenance, galvanized inside and out. • Rolled to exact lengths, minimal waste produced.Read More

  • Flexospan Structural Steel Members Steel Z Purlins & Z

    We manufacture any component from 1/2" steel subgirts to 12" section up to 10 gauge. Steel z purlins and z girts are also available with other depths and flange widths. Contact Flexospan for information on custom purlin and girt structural steel dimensions. Steel roof purlins and wall girts are produced and available in house.Read More

  • Joining Galvanized Steel Sheet [Archive] The Home Shop

    There isn't any point in spending the money for copper unless you plan on living there for another 50 years or more. Galvanized steel holds up just fine for a long time. The galvanized flashing and gutters on my house are around 40 years old and are still good. You may have a point.Read More

  • Metal Building Kits Fabricated Buildings for sale

    Get the best deal for Metal Building Kits Fabricated Buildings from the largest online selection at . Browse your favorite brands affordable prices free shipping on many items.Read More

  • Steel Frame House Residential Buildings

    American Steel Span manufactures and sells custom and prefabricated metal buildings, steel frame homes, residential steel garages at factory direct prices. 40 yr limited warranty, 38 yrs experience, 24 hour service, easy erection.Read More

  • Big Herdsman Machinery Co., LTD

    Steel Structure Poultry House : Single/ double storey poultry house Anti corrosive aluminum zinc coated colored panel Hot galvanized steel column as structural material Fiber glass batt for heat preservation Single span up to 18m 3 6° ceiling pitch, easy for horizontal ventilation. Service life up to 30~50 years.Read More

  • Structural Plate for Infrastructure Applications Big R

    Popular hot dip galvanized, shallow corrugated, structural steel plate for smaller applications. SIGN UP FOR OUR NEWSLETTER Catch the latest and greatest in Big R Bridge project profiles, product innovations, industry events and helpful resources with our Read More

  • Q345B large span anti rust steel structure painting

    Anti Rust/Corrosion Resistance Steel Structure 7. Two steel stair frame. Anti rust/Corrosion resistance steel structure warehouse/wrokshop/houses building is a new type of building structure system, which is formed by the main steel framework linking up H section, Z section, and U section steel components, roof and walls using a variety of panels and other components such as windows and doors.Read More

  • Galvanized Long Span, Galvanized Long Span Suppliers and

    offers 4,480 galvanized long span products. About 17% of these are steel structures, 5% are warehouses, and 3% are stacking racks & shelves. A wide variety of galvanized long span options are available to you, such as aisi, gb.Read More

  • Lifespan of Corrugated sheet metal in the ground? Finishing

    Aug 16, 2010 · Where generally standard galvanized coating (610 g/m2) corrugated steel pipe provides a life of 45 years or more, a suitable alternative when such a life span isn't required is coating Z 275. Galvanized Z 275 is a zinc coating for short term corrosion protection in temporary applications where culverts will be abandoned such as forest applications.Read More

  • Corrugated Metal Vs. Standing Seam Myth Busters

    Galvanized steel roofs typically carry warranties of up to 50 years. Aluminum and copper zinc roofs will have a life expectancy twice that. While metal roofs cost more than asphalt shingles up front, they will last three to five times longer.Read More

  • What is the average lifespan of the parts of a house?

    Natural Stone 50+ years. DOORS. Fiberglass and Steel Doors 50+ years. Wood Doors 40 to 50 years. Garage Doors 30 years. Garage Door Openers 10 to 15 years. WINDOWS. Wood 35 to 60 years. Aluminum 25 to 40 years. Vinyl 25 to 40 years. Insulated Glass Windows 20 to 30 years. ELECTRICAL. Service Panel 60 years. Circuit Breaker 30 to 40 yearsRead More

  • Predicting the service life of galvanized steel

    May 29, 2003 · Zinc, which has been used to hot dip galvanize steel for 250 years, provides 50 to 75 years of corrosion protection in many environments. Empirical data collected about hot dip galvanized (HDG) steel field performance from 1940 to 1980—in environments ranging from industrial to marine to suburban—indicates that zinc can prevent base steel corrosion more than other surface treatments.Read More

  • Building Materials Life Expectancy Chart Black Hills

    Exterior fiberglass, steel and wood doors will last as long as the house, while vinyl and screen doors have a shorter life expectancy. The gaskets/weather stripping of exterior doors may have to be replaced every 5 to 8 years.Read More

  • Big span precast China steel structure warehouse

    Big span precast China steel structure warehouse,Our company is a professional manufacturer and exporter which is concerned with the design, production ,installation and marking of steel structure, Prefabricated house, Container house, Steel villa and profiled steel.Read More

Steel Structure Drawing

Steel Structure Material

Item Name Materials Characteristics Material Grade Surface Treatment
Steel Column H shape,Box,Steel Pipe,Hot tolled sheet Q235B,Q345B Paint or Hot dip Galvanized
Steel beam H shape,Box,Steel Pipe,Hot tolled sheet Q235B,Q345B Paint or Hot dip Galvanized
Steel Bracing Steel Rod,Steel Pipe,Angle Steel Q235B,Q345B Paint or Hot dip Galvanized
Steel Purlin C or Z purlins(Thickness1.8mm~3.0mm) Q235B,Q345B Hot dip Galvanized
External Wall panels,Roof panels Single colorful corrugate steel sheet,sandwich panels with EPS,Rock wool,PU. Galvanized Steel+Painting Alu-zin 150g,Fluorocarbon pain
Steel buildings Door Slidding or Rolling door Steel or Aluminum sheet Paint or Hot dip galvanized
Steel buildings Windows Aluminum alloy-Glass,Aluminum alloy-shutter T=1.0-2.0mm Alloy
Skylighting panels FRP T=1.5mm-1.8mm Coefficient of thermal expansion:2.2x10-5/cm Light Tranmitar 85%
Ventilator Turbine ventilator on a ridge Steel,Stainless steel ,PC Paint or Hot dip Galvanized
Gutter Galvanized steel plate,Stainless steel plate T=2.0mm Hot dip galvanized
Downpipe PVC pipe,color steelpipe Y=0.5mm Dia110mm paint
Hight Bolt Ordinary ,High strength 10.9S,4.8S Hot dip galvanized,Steel
Ground bolts Steel RodM24,M27,M30,M33,M39,M42 10.9S Steel

Steel Structure Material





Column and Beam

Q345 or Q235 H section steel ( painted or galvanized)


Wall&Roof Purlin

C or Z section steel, size from c120~C320, z100~Z200(galvanized)


Wall&Roof Panel 

colorful corrugated steel sheet or sandwich panels (eps, rockwool, fiber glass, pu etc.)



steel angle, steel pipe, steel round bar.



sliding sandwich panel door or rolling metal door



pvc or aluminum alloy windows



anchor bolt, high strengthen bolt, normal Bolt, skylight Belts, ventilators, gutter, down pipe, etc.

Quick Message

Fill in this form or click the service online, all questions will be answered.