Circular hollow section galvanized ERW pipes for gas, oil, water and sewage and piping systems

circular hollow sections  galvanized erw pipe Used for Natural Gas, Petroleum,water & sewage, and pipe systemsProduct name: Galvanized Steel PipesOut diameter: 21.3mm-610mm, 1/2"-24"Wall Thickness: 1.8mm-20mm, SCH 5S, SCH 10S, SCH10, SCH20, SCH30, SCH40S, STD, SCH40, SCH60, SCH80S, XS, SCH80 etc.&nbs

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circular hollow sections  galvanized erw pipe Used for Natural Gas, Petroleum,
water & sewage, and pipe systems


Product name: Galvanized Steel Pipes
Out diameter: 21.3mm-610mm, 1/2"-24"
Wall Thickness: 1.8mm-20mm, SCH 5S, SCH 10S, SCH10, SCH20, SCH30, SCH40S, STD, SCH40, SCH60, SCH80S, XS, SCH80 etc. 
Length: 1m-24m

Standard: API 5L, API 5CT, ASTM A53, ASTM A252, ASTM A500, ASTM A795, BS1387, BS1139, EN10255, EN10219, EN10217, EN39, DIN2440/2444, ISO3183, ISO11960, JISG3444, JISG3454 etc. 
Quality grade: First class, prime, newly produced, secondary, stock etc. 

Material/steel grade: 
A, B, X42, X46, X52, X56, X60, X65, X70, L175, L175P, L210, L245, L290, L320, L360, L390, L415, L450, L485, BR, X42R, BN, X42N, X46N, X52N, X56N, X60N, BM, X42M, X46M, X52M, X56M, X60M, X65M, X70M, X80M, X90M, X100M, L245N, L290N, L320N, L360N, L390N, L415N, L245M, L290M, L320M, L360M, L390M, L415M, L450M, L485M, L555M, L625M, L690M, H40, J55, K55, M65, L80, C95, N80, Q125, S235GT, S195T, Grade 1, Grade 2, Grade 3, ST33-2, St33, St37, St42, St34-2, St37-2, St42-2, St52-3, P195, P235, P265, S235JRH, S275J0H, S275J2H, S355J0H, S355J2H, S355K2H, S275NH, S275NLH, S355NH, S355NLH, S460NH, S460NLH, S275MH, S275MLH, S355MH, S355MLH, S420MH, S420MLH, S460MH, S460MLH, STK290, STK400, STK490, STK500, STK540, STPG370, STPG410 etc. 

End: Plain end, beveled, cut square, grooved, threaded and coupling, etc. 
Finish: Bare, varnished, black lacquer, Bitumen Coating, zinc coating, anti-corrosion coating, 3PE, FBE, Epoxy, Cement Mortar, as per customer's requirement

Packing: Small sizes packed by steel strips into bundles, big sizes in loose pieces; Can be packed as customers' special requirements

Test: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Bending Test, Blow Test, Impact Test), Exterior Size Inspection, Hydrostatic Test. 
Mill Test CertificateEN 10204/3.1B

Application-: Line pipe for use in pipeline transportation systems in the petroleum and natural gas industries
- for use as casing and tubing for wells, screwed and socketed steel tubes and tubulars and for plain end steel tubes
- suitable for welding or for screwing to BS21 pipe threads, loose steel tubes, scaffolds
- used for the conveyance of fluids as well as for other applications, applies to pipe piles in which the steel cylinder acts as a permanent load-carrying member, or as a shell to form cast-in-place concrete piles
- for welded, riveted, or bolted construction of bridges and buildings, and for general structural purposes
- suitable for nominal pressure 25 for liquids and nominal pressure 10 for air and non-hazardous gases
- pressure purposes
- applies to structural hollow sections
- general structure purpose and pressure service etc.  
Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems


 
DNDiameterSCH40 (6m/5.8m)SCH80(6m/5.8m)SCH160(6m/5.8m)
INCH(mm)Wall Thickness
(mm)
Unit Weight
(kg/piece)
Wall Thickness
(mm)
Unit Weight
(kg/piece)
Wall Thickness
(mm)
Unit Weight
(kg/piece)
1/4"13.72.243.793.024.80  
3/8"17.12.315.043.206.60  
1/2"21.32.777.623.739.724.7811.7
3/4"26.72.8710.143.9113.25.5617.4
1"33.43.3815.004.5519.446.3525.44
1-1/4"42.23.5620.344.8526.826.3533.66
1-1/2"48.33.6824.305.0832.467.1443.5
2"60.33.9132.645.5444.888.7466.66
2-1/2"73.05.1651.787.0168.469.5389.52
3"88.95.4967.747.6291.6211.13128.1
3-1/2"101.65.7481.428.08111.78  
4"114.36.0296.428.56133.9213.49201.24
5"141.36.55130.629.53185.8215.88294.66
6"168.37.11169.5610.97255.3618.26405.36
8"219.18.18255.312.70387.8423.01667.62
10"273.09.27361.8615.09576.0628.581033.98
12"323.810.31478.3817.48792.4833.321432.56

API 5L Wall Thickness Tolerance
 
Wall thickness (mm)Tolerance (mm) (a)
Seamless pipe (b)
WT ≤4.0+0.6mm
-0.5mm
4.0<WT<25mm+0.150*WT
-0.125*WT
WT≥25.0+3.7mm
-3.0mm
welded pipe (c .d )
WT≤5.0mm±0.5mm
5.0<WT<15mm±0.5mm*WT
≥15mm±1.5mm

Galvanized pipe ends could be threaded, screwed and sockeded. it was used for water pipe:

Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems


The pipe ends could also be grooved, it was used for fire fighting pipes:

Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems


Customized Process type for API ERW / Seamless pipe:

1. Marking : API 5L / ASTM A53 Size * Length

2. Plain ends  / 2" above Bevelled ends /  plastic cap protection 

3. Grooved ends

4. Water proof wrapped /  In break bulk vessel 


Packing & Loading:
Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems




Production range details:

 
Main ProductsSizeWall ThicknessProduction LinesProducing Capacity
ERW steel pipe 1/2" -- 8"1.5mm--10.0mm131,000,000 tons per year
Hot-dipped galvanized 
steel pipe 
1/2"-8"1.5mm--10.0mm181,500,000 tons per year
Oil casing pipe, 
SSAW steel pipe 
219mm-2020mm5.0mm--28mm5150,000 tons per year
Square/rectangular 
steel pipe 
20x20--400x400mm,
20x40--400x600mm
1.3mm--20mm10800,000 tons per year
Hot-dip galvanized 
square/rectangular steel pipe 
20x20--200x200mm,
20x40--250x150mm
1.5mm--7.5mm3250,000 tons per year
Steel-plastic complex 
steel pipe
 1/2"--12"1.5mm--10.0mm9100,000 tons per year

Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems
 

Company's information: 
Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems

 

Tianjin Youfa Steel Pipe Group Co. was founded on July 1st,2000,with the headquarters located at the largest steel pipe
production base in China-Daqiuzhuang Village,Tianjin City;

  • produced over 15million tons of various steel pipes in 2017;
  • The largest welded steel pipe manufacturer in the world, Production and Sales No.1 for 13 consecutive years in China.
  • Products exported to over 86 countries and regions,the Top 500 Enterprises in China;
  • has formed four production bases in Tianjin City, Tangshan City, Handan City and Shanxi Province;
  • Tianjin Youfa International Trade Co., is a subsidiary of YOUFA Steel Pipe Group,located in Tianjin City.Company
  • has 55 professional talents. In order to provide personalized service for foreign businessmen, we have opened
  • a processing factory of 10,000 square meters;
  • Products cover ERW Steel Pipe, Hot Dipped Galvanized Steel Pipe, Square and Rectangular Steel Pipe,Steel Pipe
  • of Lining Plastic,Plastic-coated Steel Pipe, Spiral Steel Pipe, Highway Materials.


TOP 500 ENTERPRISES IN CHINA


Certificates: 

Tianjin Youfa Steel Pipe Group Co., have acquired certificates of API 5L/5CT, ISO9001, ISO14001, ISO18001,
EN10219, FPC and UL / FM
 quality system.


Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems

Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems

 I take part the exhibition in all over the world:
Circular Hollow Sections Galvanized ERW Pipe Used for Natural Gas, Petroleum, Water & Sewage, and Pipe Systems



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TIANJIN YOUFA STEEL PIPE GROUP
TIANJIN YOUFA INTERNATIONAL TRADE CO.,LTD
Address: Daqiuzhang Town,Jinghai Distr.,Tianjin City, China 300120

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