China's Biggest Manufacturer YOUFA STEEL PIPE GROUP
China TOP 500 Enterprise
The LISTED Company
Carbon steel Seamless steel pipe manufacturer / Factory
Surface:Black/Painted/Galvanized
Product name: Seamless carbon steel pipe
Out diameter: 21.3mm-610mm, 1/2"-24"
Wall Thickness: 2.77mm-50mm, SCH10, SCH20, SCH30, SCH40S, STD, SCH40, SCH60, SCH80S, XS, SCH80 etc.
Length: 1m-24m
Standard: API 5L, API 5CT, ASTM A53, ASTM A106
ASTM A252, ASTM A795, BS1387, EN10255, EN10219, EN10217, 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.
| 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 |
ASTM A106 / A53 & API 5L Wall Thickness Tolerance:
| Wall thickness (mm) |
Tolerance (mm) (a) |
| Seamless pipe (b) |
| WT ≤4.0 |
+0.6mm
-0.5mm |
| 4.0 |
+0.150*WT
-0.125*WT |
| WT≥25.0 |
+3.7mm
-3.0mm |
| welded pipe (c .d ) |
| WT≤5.0mm |
±0.5mm |
| 5.0 |
±0.5mm*WT |
| ≥15mm |
±1.5mm |
Red painting and Expoy coating seamless steel pipe for Fire sprinkler pipes
Ral 3000, Ral 3001
ASTM A53 / A795 grade b
Hot dipped Galvanized steel seamless pipe
Zinc coating 220g/m2 - 600g/m2
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 , Screw threaded 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" -- 8" |
1.5mm--10.0mm |
13 |
1,000,000 tons per year |
Hot-dipped galvanized
steel pipe |
1/2"-8" |
1.5mm--10.0mm |
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.
------------------------------
Contacts:
Vincent Lee
Sales Manager
TIANJIN YOUFA STEEL PIPE GROUP
TIANJIN YOUFA INTERNATIONAL TRADE CO.,LTD
Address: Daqiuzhang Town,Jinghai Distr.,Tianjin City, China 300120
Audited Supplier 
){kind=link}
){kind=link}