High Quality ERW Welded Steel Pipes
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- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
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ERW Welded Steel Pipes
Application of High Quality ERW Welded Steel Pipes
It is widely applied to line pipe and casing and tubing in oil transportation and casing field, and it is used in Low,high pressure liquid and gassy transportation and it is also good Structure pipe (for furniture, window, door, building , bridge, mechanical etc).
Package: bundles with anti-rust painting and with plastic caps
Standard of High Quality ERW Welded Steel Pipes
API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1
Steel Grade of High Quality ERW Welded Steel Pipes
API SPEC 5L: B, X42, X46, X52, X56, X60, X65
API SPEC 5CT: J55, K55, N80, L80-1
ASTM A53: A, B, C
GB/T9711.1:L242、L290、L320、L360、L390、L415、L450
Sizes of pipes of High Quality ERW Welded Steel Pipes
*Remark: Besides below sizes, we also can arrange production based on requirement of customers
OD | WT | WEIGHT | ||||
INCH | MM | SCH | MM | INCH | KG/M | LB/INCH |
1 1/2” | 48.3 | STD-40 | 3.68 | 0.145 | 4.09 | 2.75 |
1 1/2” | 48.3 | XS-80 | 5.08 | 0.2 | 5.47 | 3.68 |
2” | 60.3 | STD-40 | 3.91 | 0.154 | 5.49 | 3.69 |
2” | 60.3 | XS-80 | 5.54 | 0.218 | 7.56 | 5.08 |
2 1/2” | 73 | STD-40 | 5.16 | 0.203 | 8.72 | 5.86 |
2 1/2” | 73 | XS-80 | 7.01 | 0.276 | 11.52 | 7.74 |
3” | 88.9 | STD-40 | 5.49 | 0.216 | 11.41 | 7.67 |
3” | 88.9 | XS-80 | 7.62 | 0.3 | 15.43 | 10.37 |
3 1/2” | 101.6 | STD-40 | 5.74 | 0.226 | 13.71 | 9.21 |
3 1/2” | 101.6 | XS-80 | 8.08 | 0.318 | 18.83 | 12.65 |
4” | 114.3 | STD-40 | 6.02 | 0.237 | 16.24 | 10.91 |
4” | 114.3 | XS-80 | 8.56 | 0.337 | 22.55 | 15.15 |
5” | 141.3 | STD-40 | 6.55 | 0.258 | 21.99 | 14.78 |
5” | 141.3 | XS-80 | 9.53 | 0.375 | 31.28 | 21.02 |
6” | 168.3 | STD-40 | 7.11 | 0.28 | 28.55 | 19.19 |
6” | 168.3 | XS-80 | 10.97 | 0.432 | 42.99 | 28.89 |
8” | 219.1 | STD-40 | 8.18 | 0.322 | 42.98 | 28.88 |
8” | 219.1 | XS-80 | 12.7 | 0.5 | 65.3 | 43.88 |
10” | 273 | STD-40 | 9.27 | 0.365 | 60.9 | 40.92 |
10” | 273 | 80 | 15.09 | 0.594 | 96.95 | 65.15 |
12” | 323.8 | STD | 9.53 | 0.375 | 74.61 | 50.13 |
12” | 323.8 | 40 | 10.31 | 0.406 | 80.51 | 54.1 |
12” | 323.8 | XS | 12.7 | 0.5 | 98.42 | 66.14 |
12” | 323.8 | 80 | 17.48 | 0.688 | 133.38 | 89.63 |
14” | 355.6 | 40 | 11.13 | 0.438 | 95.51 | 64.18 |
14” | 355.6 | XS | 12.7 | 0.5 | 108.48 | 72.9 |
14” | 355.6 | 80 | 19.05 | 0.75 | 159.71 | 107.32 |
16” | 406.4 | XS-40 | 12.7 | 0.5 | 124.55 | 83.69 |
18” | 457 | STD | 9.53 | 0.375 | 106.23 | 71.38 |
18” | 457 | 40 | 14.27 | 0.562 | 157.38 | 105.75 |
18” | 457 | 80 | 23.83 | 0.938 | 257.13 | 172.78 |
20” | 508 | 40 | 15.09 | 0.594 | 185.28 | 124.5 |
20” | 508 | 80 | 26.19 | 1.031 | 314.33 | 211.22 |
Standard: API SPEC 5L
Mechanical Properties of High Quality ERW Welded Steel Pipes
Standard | Grade | (MPa) | (MPa) | |||
Yield strength | Tensile Strength | |||||
API SPEC 5L | PSL1 | |||||
B | ≥241 | ≥414 | ||||
×42 | ≥290 | ≥414 | ||||
×46 | ≥317 | ≥434 | ||||
×52 | ≥359 | ≥455 | ||||
×56 | ≥386 | ≥490 | ||||
×60 | ≥414 | ≥517 | ||||
×65 | ≥448 | ≥531 | ||||
×70 | ≥483 | ≥565 | ||||
PSL2 | ||||||
| Min | Max | Min | Max | ||
B | 241 | 448 | 441 | 758 | ||
×42 | 290 | 496 | 414 | 758 | ||
×46 | 317 | 524 | 434 | 758 | ||
×52 | 359 | 531 | 455 | 758 | ||
×56 | 386 | 544 | 490 | 758 | ||
×60 | 414 | 565 | 517 | 758 | ||
×65 | 448 | 600 | 531 | 758 | ||
×70 | 483 | 621 | 565 | 758 | ||
Chemical Composition (%) of High Quality ERW Welded Steel Pipes
Standard | Grade | C | Mn | P | S | TI | CEV |
Max | Max | Max | Max | Max | Max | ||
API SPEC 5L | PSL1 | ||||||
B | 0.26 | 1.2 | 0.030 | 0.030 | 0.04 |
- | |
×42 | 0.26 | 1.3 | 0.030 | 0.030 | 0.04 | ||
×46,×52,×56,X60 | 0.26 | 1.4 | 0.030 | 0.030 | 0.04 | ||
X65 | 0.26 | 1.45 | 0.030 | 0.030 | 0.06 | ||
X70 | 0.26 | 1.65 | 0.030 | 0.030 | 0.06 | ||
PSL2 | |||||||
B | 0.22 | 1.20 | 0.025 | 0.015 | 0.04 |
0.43 | |
×42 | 0.22 | 1.30 | 0.025 | 0.015 | 0.04 | ||
×46,×52,×56, X60 | 0.22 | 1.40 | 0.025 | 0.015 | 0.04 | ||
X65 | 0.22 | 1.45 | 0.025 | 0.015 | 0.06 | ||
X70 | 0.22 | 1.65 | 0.025 | 0.015 | 0.06 |
Standard: GB/9711.1
Mechanical Properties of High Quality ERW Welded Steel Pipes
Standard | Grade | (MPa) | (MPa) | Min(%) |
Yield strength | Tensile Strength | Elongation | ||
GB/T9711.1 | L245 | ≥245 | ≥415 | 21 |
L290 | ≥290 | ≥415 | 21 | |
L320 | ≥320 | ≥435 | 20 | |
L360 | ≥360 | ≥460 | 19 | |
L390 | ≥390 | ≥490 | 18 | |
L415 | ≥415 | ≥520 | 17 | |
L450 | ≥450 | ≥535 | 17 | |
L485 | ≥485 | ≥570 | 17 |
Chemical Composition(%) of High Quality ERW Welded Steel Pipes
Standard | Grade | C | Mn | P | S |
Max | Max | Max | Max | ||
GB/T9711.1 | L245 | 0.26 | 0.15 | 0.030 | 0.030 |
L290 | 0.28 | 1.25 | 0.030 | 0.030 | |
L320, L360 | 0.30 | 1.25 | 0.030 | 0.030 | |
L390, L415 | 0.26 | 1.35 | 0.030 | 0.030 | |
L450 | 0.26 | 1.40 | 0.030 | 0.030 | |
L485 | 0.23 | 1.60 | 0.025 | 0.030 |
Standard: GB/9711.2
Mechanical Properties of High Quality ERW Welded Steel Pipes
Standard | Grade | (MPa) Yield strength | (MPa) Tensile Strength | Min(%) Elongation | ||
GB/T9711.2 | Rt0.5Min | Rt0.5Max | RmMin | Rt0.5/Rm Max | ||
L245 |
245 |
440 | 0.80 |
22 | ||
L245 | 0.85 | |||||
L290 |
290 |
440 | 0.80 | 21 | ||
L290 | 0.85 | |||||
L360 |
360 |
510 | 0.85 |
20 | ||
L360 | 0.85 | |||||
L415 |
415 |
565 | 0.85 |
18 | ||
L415 | 0.85 | |||||
L450 | 450 | 570 | 535 | 0.87 | 18 | |
L485 | 485 | 605 | 570 | 0.90 | 18 |
Chemical Composition (%) of High Quality ERW Welded Steel Pipes
Standard | Grade | C | Mn | P | S | V | Nb | Ti | CEV |
Max | Max | Max | Max | Max | Max | Max | Max | ||
GB/T9711.2 | L245NB | 0.16 | 1.1 | 0.025 | 0.020 | - | - | - | 0.42 |
L290NB | 0.17 | 1.2 | 0.025 | 0.020 | 0.05 | 0.05 | 0.04 | 0.42 | |
L360NB | 0.20 | 1.6 | 0.025 | 0.020 | 0.10 | 0.05 | 0.04 | 0.45 | |
L415NB | 0.21 | 1.6 | 0.025 | 0.020 | 0.15 | 0.05 | 0.04 | - | |
L245NB, L290NB |
0.16 |
1.5 | 0.025 | 0.020 |
0.04 |
0.04 |
- |
0.4 | |
L360NB | 0.16 | 1.6 | 0.025 | 0.020 | 0.05 | 0.05 | 0.04 | 0.41 | |
L415NB | 0.16 | 1.6 | 0.025 | 0.020 | 0.08 | 0.05 | 0.06 | 0.42 | |
L450NB | 0.16 | 1.6 | 0.025 | 0.020 | 0.10 | 0.05 | 0.06 | 0.43 | |
L485NB | 0.16 | 1.7 | 0.025 | 0.020 | 0.10 | 0.06 | 0.06 | 0.43 |
Standard: ASTM A53
Mechanical Properties of High Quality ERW Welded Steel Pipes
Standard | Grade | (MPa) | (MPa) |
Yield strength | Tensile Strength | ||
ASTM A53M | A | 205 | 330 |
B | 240 | 415 |
Chemical Composition(%) of High Quality ERW Welded Steel Pipes
Standard | Grade | C | Mn | P | S | V | Ni | Cu | Cr | Mo |
Max | Max | Max | Max | Max | Max | Max | Max | Max | ||
ASTM A53M | A | 0.25 | 0.95 | 0.05 | 0.045 | 0.08 | 0.4 | 0.5 | 0.4 | 0.15 |
B | 0.30 | 1.20 | 0.05 | 0.045 | 0.08 | 0.4 | 0.5 | 0.4 | 0.15 |
- Q:What is a tight steel tube?
- The fully enclosed steel tube is called "sleeve connection steel pipe". The English abbreviation is JDG. The sleeve between the pipe and the pipe is fastened by screws. The current specification is the construction and acceptance rules of CECS 120:2007 sleeve steel conduit pipe line
- Q:What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?
- In general, steel is divided into two groups according to their chemical composition: carbon steel and alloy steel;(1): carbon steel low carbon steel (C = 0.25%); carbon steel (0.25% < C < 0.60%); high carbon steel (C = 0.60%)(2): alloy steel, low alloy steel (alloy is less than or equal to 5%); in steel (5% < < 10% alloy; high alloy steel (alloy) = 10%)Carbon seamless steel tubes are mostly pipes for mechanical engineering structures and pipes for conveying fluids.
- Q:Are metal spiral tubes the same as metal bellows?
- The corrugated pipe is extruded by the extruder, the winding pipe is wound in a circle, and the prestressed metal corrugated pipe is a reserved channel.
- Q:The plastic pipe and steel pipe difference
- Plastic pipe and plastic inner coating, and coated inside and outside. (of course, some are epoxy coated, and some are PE).The plastic tube is one kind of steel pipe, steel plastic pipe has many types, including plastic, plastic, and plastic coated, and epoxy, which are known are steel tubes.
- Q:Galvanized steel pipe DN100 and SC100
- DN is the meaning of "bore", also expressed in water supply and drainageSC is welded steel pipe, generally GB tube, that is, thick walled steel pipe, look at the design requirementsMT refers to the wire tube, usually thin-walled tube, there are KBG and JDG
- Q:What type of steel pipe for security windows?
- General anti-theft window through the round tube is 3 cm square tube, 22.5 mm diameter round tube, also can use all square tube to do, if you want to median 304, the pipe is estimated more expensive, the market to do the price in 60 to 110 range. As for plastic steel, Anhui conch brand, the price of 180 this way. Aluminum alloy 110 to 230 specific look what material?!
- Q:What is the diameter of the steel tube DN20?
- 1, nominal diameter is nominal diameter, or nominal diameter, or nominal size.2, nominal diameter is a variety of pipe and pipe accessories generic caliber. The same nominal diameter of the tube and pipe accessories can connect with each other, with interchangeability. It is not a real sense of the pipe diameter or diameter, although its value is closer with the pipe diameter or equivalent, is a convenient integer for reference only, are not strict with processing size. Nominal diameter is not the outer diameter, nor the inner diameter, but a nominal size similar to the diameter of the ordinary steel pipe. In order to connect the pipe and pipe fittings in a uniform dimension, each nominal diameter corresponds to an outer diameter, and the inner diameter value varies with the thickness.
- Q:What is the difference between the stainless steel pipe welded pipe and seamless pipe?
- Welding performance: chemical composition of seamed pipe and seamless pipe are different. The production of seamless steel components only meets the basic requirements of astm. The production of seamed tube steel containing suitable for chemical composition of welding. For example, the mixing of silicon, sulfur, manganese, oxygen, and a certain proportion of elements such as the triangle ferrite can produce a welding flux which is easy to transfer heat during welding, so as to make the whole weld be welded well. The lack of steel pipe above the chemical components, such as seamless tube, can produce all kinds of unstable factors in the process of welding, welding and welding penetration is not easy.
- Q:What's the use of steel pipe?
- Steel pipe is not only used to transport fluid and powder solid, exchange heat energy, and manufacture mechanical parts and containers, but also is an economic steel. It can reduce weight and save 20 to 40% of metal by using steel pipe to make building structure, network frame, prop and mechanical support. Moreover, it can realize factory mechanization construction. (
- Q:Galvanized steel pipe, PPR pipe, PE pipe, U-PVC pipe and HDPE double wall corrugated pipe and what is the difference between the characteristics of
- U-PVC tubes are hard poly vinyl pipes, because they contain chlorine, so they are mainly used in sewer pipes or electrical wiring;HDPE double wall corrugated pipe is a high-density polyethylene pipe, because of its excellent electrical insulation performance, now mainly used for distribution line arrangement.
1. Manufacturer Overview |
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Location | Hebei,China |
Year Established | 2005 |
Annual Output Value | Above 100 Million RMB |
Main Markets | Main land;Middle East;Southeast Asia |
Company Certifications | ISO9001 |
2. Manufacturer Certificates |
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a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
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a)Trade Capacity | |
Nearest Port | Tianjin;Qingdao |
Export Percentage | 41% - 50% |
No.of Employees in Trade Department | |
Language Spoken: | English;Chinese;Korean |
b)Factory Information | |
Factory Size: | 120mu |
No. of Production Lines | 11 |
Contract Manufacturing | OEM Service Offered;Design Service Offered |
Product Price Range | High Average |
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