Building Pipe

Tianjin YOUFA International Trade Co.,Ltd is one of the most experienced manufacturers and suppliers of building pipe in China. Welcome to wholesale bulk high quality customized produts at low price from our factory. For price list and cheap products, contact us now.

Your Professional Building Steel Pipe manufacturer in China

23 years experience

13 factories with 293 production lines

One-stop Procurement

Carbon steel pipes and fittings and scaffolding

8 Manufacturer Bases

Green and environmentally friendly factor

Listed Company

China's Top 500 Enterprises and Manufacturing Industry

Building Pipeline

Building steel pipes are utilized for underground utility infrastructure, including water mains, sewer lines, and gas pipelines.

Scaffolding Steel Pipe

Scaffolding steel pipes are typically used in the construction industry to provide structural support and frames for entering and operating various parts of the pipeline during construction, maintenance, or repair

Fire Fighting Pipeline

Fire pipes are used for water supply or fire extinguishing agents.Mainly used to connect to fire hydrants, sprinkler systems, risers, and other fire extinguishing equipment in buildings.

 

 

Grooved End

Threaded End

Bevelled end

 

ERW Manufacture Procedures

 

Open volume  Correction/The first cut/Welded  

Loop storage Figuration system Welding/Remove inside and outside burr Welding seam heat treatment Air-cooled/Water-cooled/Estaiblishen in diameter/Correction 

Flying saw cut Exterior inspection/Marking Plain end and bevel end Hydraulic test Weighting/Record Put in storage

 

Hot-Dipped Galvanized Steel Pipe
Manufacture Procedures

 

Unpacking/Inspection Picking&Solvent Drying 

Hot dipped galvanizing Outside blasting/Inside cooling

 Water cooling Passivation Proceed inspection 

Marking Packing Final examination&Storage

 

Testing And Certificates

 We have built a long-term cooperation with many clients, and have received word of praise from customers all over the world.possessing normative QAS, we have acquired certificates of API5L, ISO9001,ISO14000, ISO18000, FPC, BSI and UL/FM quality system.

BS EN10219 Certificate	BSI Certificate

 

Youfa guarantees high quality

1)During and after production, 4 QC staffs with more than 5 years experience inspect products in random.

2) National accredited laboratory with CNAS certificates
3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV.
4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK

1.Big OD (above OD273mm): in bulk loose packing

2.Small OD (below OD273mm):packed by bundles and fastened by steel strips

3.Normal OD: bundles with eight heavy steel strips ,plastic tarpaulin cloth cover all the bundles and including two slings per bundle with two steel tags 

One-stop Procurement

 

One stop procurement service factory

 

 

01

Carbon Steel Pipe

ERW Steel Pipe , Hot Dipped Galvanized Steel Pipe , Square /Rectangular Steel Pipe, SSAW Steel Pipe, Plastic Lining Composite Pipe, Plastic Coated Steel Pipe,Carbon Steel Coil/Sheet

 

02

Pipe Fitting

Carbon steel fitting, Flange, Malleable iron fitting, Grooved fitting, Stainless steel fitting.

 

03

Scaffolding System

Ringlock Scaffolding , Frame Scaffolding , Kwikstage Scaffolding , Cuplock Scaffolding , Quick Lock Scaffolding ,Steel Prop , Clamps and so on

 

04

Stainless Steel Pipe

lndustrial fluid transmission pipe,Thin-walled Stainless Steel Pipe,Food Hygienic Grade Stainless Steel Pipe,Mechanical Structure and Decoration Stainless Steel Pipe,Stainless Steel Coil/Sheet 

FAQ

01.what is steel building?

Steel buildings are structures primarily constructed using steel as the primary material for support. These buildings can range from small storage units or garages to large skyscrapers, warehouses, or industrial facilities.

02.What is the standard tube for building scaffolding ?

The standard scaffold tube dimensions prescribed by BS 1139 ,EN 39 are typically:
Outer Diameter: 48.3mm;Generally 3.2mm or 4.0mm;Length: Standard lengths are often 6.4 meters or 21 feet
These tubes are usually made of steel and are either galvanized or untreated. The galvanized tubes have a protective zinc coating to resist corrosion, making them suitable for outdoor use and ensuring durability against weathering.

03.Can you use galvanized pipe for fire sprinkler system?

Galvanized steel pipes can be suitable for fire sprinkler systems, particularly in dry or pre-action fire sprinkler systems where there might be a lower risk of water leakage or where maintenance of the system's integrity is crucial.

04.Why is scaffolding galvanised?

Galvanizing scaffolding components offers significant benefits in terms of corrosion resistance, durability, weather resistance, cost-effectiveness, and safety, making it a preferred choice for scaffolding used in construction projects, particularly those exposed to outdoor environments.

05.What standard specifications can be used for fire sprinkler pipes?

ASTM A53: Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.

ASTM A795: ASTM A795 specifically addresses black and galvanized welded and seamless steel pipes used for fire protection systems, including sprinkler installations.

UL Listed/FM Approved:UL (Underwriters Laboratories) listings and FM (Factory Mutual) approvals ensure that fire sprinkler pipes and components meet specific safety and performance standards set by these testing and certification organizations.

06.What is ASTM A795 Fire Sprinkler Steel Pipe?

Key aspects of ASTM A795 for fire sprinkler steel pipes include:

Materials: The pipes covered by ASTM A795 are made from carbon steel.

Coating: The pipes can have a black or hot-dipped galvanized finish.

Dimensions and Tolerances: The standard specifies the dimensions, wall thicknesses, sizes, and weight tolerances for the pipes.

The purpose of ASTM A795 is to establish standards that ensure the quality, durability, and safety of steel pipes used in fire protection systems, particularly fire sprinkler installations.

Contact Youfa

 

Related Products

EN39 BS1139 Scaffolding Pipe

ASTM A795 Fire Pipe

API Oil And Gas Pipe

Structural Steel Pipe

Main Products	Sizes(OD.) / Dimension	Wall Thickness	Production Lines	Producing Capacity
ERW steel pipe	1/2" -- 8"	0.5mm--10.0mm	62	1,000,000 tons per year
Hot dipped galvanized steel pipe	1/2"-8"	0.5mm--10.0mm	40	1,500,000 tons per year
Oil casing pipe	219mm-2020mm	5.0mm--28mm	9	150,000 tons per year
SSAW steel pipe
Square/rectangular steel tube	10x10--800x800mm,	0.5mm--20mm	31	800,000 tons per year
	10x20--800x600mm
Hot-dip galvanized square/rectangular steel tube	10x10--200x200mm,	0.5mm--15.0mm	12	250,000 tons per year
	10x20--250x150mm
Seamless steel pipe	1/2"-40"	sch10, sch40, sch80,sch160	2	100,000 tons per year
Steel-plastic complex steel pipe	1/2"--12"	1.5mm--10.0mm	25	100,000 tons per year

Youfa Product Application And Projects

There are two major application fields of Youfa products:

steel pipes for fluid transmission and steel pipes for structural support. Animal husbandry, drainage, water supply, consumption, gas, steel structure, agricultural greenhouse, mechanical processing, petrochemical industry

Tianjin Youfa Steel Pipe Project
Year	Country	Project	Usage
2014-2015		Chevron Corporation Oil Platform	Scaffolding steel pipe
2015	Ethiopia	Adama lndustrial Parks	Construction steel pipe
2017	Jordan	Mafrac	Solar mounting systems steel pipe
2017	Mexico	Kaixo	Solar mounting systems steel pipe
2018	Viet Nam	Cong ty TNHH Gain Lucky Textile Factory	Solar mounting systems steel pipe
2019	Kuwait	Kuwait International Airport	Construction steel pipe
2019	Ethiopia	Polaroid Airport	Conduit steel pipe
2019	Egypt	New Cairo Business Center	Fire sprinkler and water delivery steel pipe
2019	Morocco	Fire Fighting Pipeline of Moroccan Chemical Plant	Fire sprinkler steel pipe
2020	Cambodia	Phnom Penh Airport	Galvanized steel pipe,Spiral welded pipe and Seamless pipe
2021	Bangladesh	Dhaka Airport	Galvanized steel pipe
2022	Bolivia	Bolivia Civil Gas Pipeline	Galvanized steel pipe

Youfa brand steel pipes are widely used in construction, steel structure, scaffolding, fire sprinkler system, civil gas pipeline,s and so on, successfully applied in many national and abroad priority projects such as the Three George Project, Pudong International Airport, Beijing International Airport, Beijing Olympic Stadium, Shanghai World Expo Exhibition Hall, Jiaozhou Bay Cross-sea Bridge, the tallest building in China-117 Building in Tianjin, Tian'anmen Parade Reviewing Stand, Shanghai Disneyland Park.

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