China Youfa BrGalvanized Steel Pipe Externally Internally Zinc Coating 505 Gram M2 for Telegraph Pole

China YOUFA brand galvanized steel pipe Externally & Internally zinc coating 505 GRAM/M2
for telegraph pole

Galvanized Steel Pipes
21.3mm-610mm, 1/2"-24"
1.8mm-20mm, SCH 5S, SCH 10S, SCH10, SCH20, SCH30, SCH40S, STD, SCH40, SCH60, SCH80S, XS, SCH80 etc.
1m-24m
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.
First class, prime, newly produced, secondary, stock etc.
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.
Plain end, beveled, cut square, grooved, threaded and coupling, etc.
Bare, varnished, black lacquer, Bitumen Coating, zinc coating, anti-corrosion coating, 3PE, FBE, Epoxy, Cement Mortar, as per customer's requirement
Small sizes packed by steel strips into bundles, big sizes in loose pieces; Can be packed as customers' special requirements
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
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.

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"21.32.777.623.739.724.7811.73/4"26.72.8710.143.9113.25.5617.41"33.43.3815.004.5519.446.3525.441-1/4"42.23.5620.344.8526.826.3533.661-1/2"48.33.6824.305.0832.467.1443.52"60.33.9132.645.5444.888.7466.662-1/2"73.05.1651.787.0168.469.5389.523"88.95.4967.747.6291.6211.13128.13-1/2"101.65.7481.428.08111.78 4"114.36.0296.428.56133.9213.49201.245"141.36.55130.629.53185.8215.88294.666"168.37.11169.5610.97255.3618.26405.368"219.18.18255.312.70387.8423.01667.6210"273.09.27361.8615.09576.0628.581033.9812"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
-0.5mm4.0<WT<25mm+0.150*WT
-0.125*WTWT≥25.0+3.7mm
-3.0mmwelded pipe (c .d )WT≤5.0mm±0.5mm5.0<WT<15mm±0.5mm*WT≥15mm±1.5mm

Galvanized pipe ends could be threaded, screwed and sockeded. it was used for water pipe:
The pipe ends could also be grooved, it was used for fire fighting pipes:
Packing & Loading:
Production range details:

Main ProductsSizeWall ThicknessProduction LinesProducing CapacityERW steel pipe 1/2" -- 8"1.5mm--10.0mm131,000,000 tons per yearHot-dipped galvanized
steel pipe 1/2"-8"1.5mm--10.0mm181,500,000 tons per yearOil casing pipe,
SSAW steel pipe 219mm-2020mm5.0mm--28mm5150,000 tons per yearSquare/rectangular
steel pipe 20x20--400x400mm,
20x40--400x600mm1.3mm--20mm10800,000 tons per yearHot-dip galvanized
square/rectangular steel pipe 20x20--200x200mm,
20x40--250x150mm1.5mm--7.5mm3250,000 tons per yearSteel-plastic complex
steel pipe 1/2"--12"1.5mm--10.0mm9100,000 tons per year

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.Companyhas 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 Pipeof Lining Plastic,Plastic-coated Steel Pipe, Spiral Steel Pipe, Highway Materials.

TOP 500 ENTERPRISES IN CHINA
Tianjin Youfa Steel Pipe Group Co., have acquired certificates of API 5L/5CT, ISO9001, ISO14001, ISO18001,
EN10219, FPC and UL / FM quality system.
I take part the exhibition in all over the world:
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TIANJIN YOUFA STEEL PIPE GROUP
TIANJIN YOUFA INTERNATIonAL TRADE CO.,LTD
Address: Daqiuzhang Town,Jinghai Distr.,Tianjin City, China 300120