Basic Info.
Model NO.
Amanda20220426-13
Pipes
ERW Welded Steel Pipes
Grade
Gr.B, X42, X52, X60, Q345b, etc
Coating
Fbe, 3PE
Painting
Black or Red or Yellow Color Painting
Standard
ASTM A53, API 5L
Transport Package
in Bundle
Specification
iso
Trademark
youfa brand
Origin
Tianjin, China
HS Code
73061900
Production Capacity
10000000 Mt
Product Description
ERW black steel pipe
Specifications
Length: 6m
vanish coated or chromate coated
Tolerance: as follow standard BS, ASTM, JIS...
Length: 6m
vanish coated or chromate coated
Tolerance: as follow standard BS, ASTM, JIS...
Loading in container 20' or 40'
Hyrostatic tested for each pcs
(ERW CARBON BLACK & GALVANIZED PIPES - STANDARD BS 1387-1985)
Remark: D: Outside diameter
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.
API 5L Wall Thickness Tolerance
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
Production range details:
TIANJIN YOUFA INTERNATIONAL TRADE CO.,LTD
Address: Daqiuzhang Town,Jinghai Distr.,Tianjin City, China 300120
Specifications
Length: 6m
vanish coated or chromate coated
Tolerance: as follow standard BS, ASTM, JIS...
Length: 6m
vanish coated or chromate coated
Tolerance: as follow standard BS, ASTM, JIS...
Loading in container 20' or 40'
Hyrostatic tested for each pcs
(ERW CARBON BLACK & GALVANIZED PIPES - STANDARD BS 1387-1985)
C max | Mn max | P max | S max | |
% 0.20 | % 1.20 | % 0.045 | % 0.045 |
Tensile test | Bend test | Flattening test | Leak tightness test | ||||||
T.strength Kgf/mm2 (N/mm2) | Yield point Kgf/mm2 (N/mm2) | Elongation % | Category | Angle of bending | Inside radius | Weld position | Weld point | Non-weld point | |
| Black pipe | 180o | 6 D | 90o | 0.75 D | 0.60 D | ||||
| Min. 28 (285) | Min. 20 (196) | Min. 30 | Galva. pipe | 90o | 8 D | 51 Kgf/cm2 | |||
Remark: D: Outside diameter
Tolerance | |||
| Weight | - 8% | + 10% | |
Thickness | - Light -Medium, heavy | -8% -10% | not specified not specified |
Length | -0 mm | + 30 mm | |
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.
| DN | Diameter | SCH40 (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" | 13.7 | 2.24 | 3.79 | 3.02 | 4.80 | ||
| 3/8" | 17.1 | 2.31 | 5.04 | 3.20 | 6.60 | ||
| 1/2" | 21.3 | 2.77 | 7.62 | 3.73 | 9.72 | 4.78 | 11.7 |
| 3/4" | 26.7 | 2.87 | 10.14 | 3.91 | 13.2 | 5.56 | 17.4 |
| 1" | 33.4 | 3.38 | 15.00 | 4.55 | 19.44 | 6.35 | 25.44 |
| 1-1/4" | 42.2 | 3.56 | 20.34 | 4.85 | 26.82 | 6.35 | 33.66 |
| 1-1/2" | 48.3 | 3.68 | 24.30 | 5.08 | 32.46 | 7.14 | 43.5 |
| 2" | 60.3 | 3.91 | 32.64 | 5.54 | 44.88 | 8.74 | 66.66 |
| 2-1/2" | 73.0 | 5.16 | 51.78 | 7.01 | 68.46 | 9.53 | 89.52 |
| 3" | 88.9 | 5.49 | 67.74 | 7.62 | 91.62 | 11.13 | 128.1 |
| 3-1/2" | 101.6 | 5.74 | 81.42 | 8.08 | 111.78 | ||
| 4" | 114.3 | 6.02 | 96.42 | 8.56 | 133.92 | 13.49 | 201.24 |
| 5" | 141.3 | 6.55 | 130.62 | 9.53 | 185.82 | 15.88 | 294.66 |
| 6" | 168.3 | 7.11 | 169.56 | 10.97 | 255.36 | 18.26 | 405.36 |
| 8" | 219.1 | 8.18 | 255.3 | 12.70 | 387.84 | 23.01 | 667.62 |
| 10" | 273.0 | 9.27 | 361.86 | 15.09 | 576.06 | 28.58 | 1033.98 |
| 12" | 323.8 | 10.31 | 478.38 | 17.48 | 792.48 | 33.32 | 1432.56 |
| 14" | 355.6 | 11.13 | 19.05 | ||||
| 16" | 406.4 | 12.70 | 21.44 | ||||
| 18" | 457.2 | 14.27 | 23.83 | ||||
| 20" | 508 | 15.09 | 26.19 | ||||
| 24" | 610 | 17.48 | 30.95 | ||||
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 |
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
Production range details:
| Main Products | Size | Wall Thickness | Production Lines | Producing Capacity |
| ERW steel pipe | 1/2" -- 24" | 1.5mm-30.95mm | 13 | 1,000,000 tons per year |
| Hot-dipped galvanized steel pipe | 1/2"-12" | 1.5mm--12.7mm | 18 | 1,500,000 tons per year |
| Oil casing pipe, SSAW steel pipe | 219mm-2020mm | 5.0mm--28mm | 5 | 150,000 tons per year |
| Square/rectangular steel pipe | 20x20--400x400mm, 20x40--400x600mm | 1.3mm--20mm | 10 | 800,000 tons per year |
| Hot-dip galvanized square/rectangular steel pipe | 20x20--200x200mm, 20x40--250x150mm | 1.5mm--7.5mm | 3 | 250,000 tons per year |
| Steel-plastic complex steel pipe | 1/2"--12" | 1.5mm--10.0mm | 9 | 100,000 tons per year |
Company's information: 
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.
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TIANJIN YOUFA INTERNATIONAL TRADE CO.,LTD
Address: Daqiuzhang Town,Jinghai Distr.,Tianjin City, China 300120