Q235B DN25 33.4MM 1 inch galvanized pipe for Machinery Manufacturing
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.
| 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 |
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:
The pipe ends could also be grooved, it was used for fire fighting pipes:
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:
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.
I take part the exhibition in all over the world:
------------------------------
TIANJIN YOUFA STEEL PIPE GROUP
TIANJIN YOUFA INTERNATIONAL TRADE CO.,LTD
Address: Daqiuzhang Town,Jinghai Distr.,Tianjin City, China 300120
Audited Supplier 
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