Product Description:
API 5L LSAW Welded Steel Pipes
Application of API 5L LSAW 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 of API 5L LSAW Welded Steel Pipes:
Bundles with anti-rust painting and with plastic caps.
Standard of API 5L LSAW Welded Steel Pipes:
API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1
Steel Grade of API 5L Line 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
Mechanical Properties
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(%)
Standard |
Grade |
C |
Mn |
P |
S |
CEV |
Max |
Max |
Max |
Max |
Max |
PSL1 |
- |
B |
0.26 |
1.2 |
0.030 |
0.030 |
×42 |
0.26 |
1.3 |
0.030 |
0.030 |
×46,×52,×56,X60 |
0.26 |
1.4 |
0.030 |
0.030 |
X65 |
0.26 |
1.45 |
0.030 |
0.030 |
X70 |
0.26 |
1.65 |
0.030 |
0.030 |
PSL2 |
0.43 |
B |
0.22 |
1.20 |
0.025 |
0.015 |
×42 |
0.22 |
1.30 |
0.025 |
0.015 |
×46,×52,×56, X60 |
0.22 |
1.40 |
0.025 |
0.015 |
X65 |
0.22 |
1.45 |
0.025 |
0.015 |
X70 |
0.22 |
1.65 |
0.025 |
0.015 |
Raw Materials

Bending& Forming

Welding Line

Materials Analysis Machine

- Q:What is an electric welded pipe (EFW)? Seek help!
- Pipe and pipe fittings should be suitable for the gap, usually with micro force insertion is appropriate, the gap is too large or too small will affect the quality of the interface.Check the depth of the plug and slip the spigot into the socket and position correctly.
- Q:25 of the steel pipe with 6 in charge of what is the difference?
- 25 of the steel pipe with 6 in charge of the difference:25 of the steel pipe refers to the DN25 tube, the outer diameter of 25mm; 6, in charge of refers to DN20 steel pipe, the outer diameter is 20mm.
- Q:Heating system DN40 and DN32 welded steel pipe how to connect?
- As for the flange connection: low pressure pipeline is generally not used in this way, can be divided into threaded flanges and flange welding flange, and the flange connecting pipes of different diameters, only the welded flange to diameter, said in a low pressure pipeline which has low pressure pipe connection make an unnecessary move, this is not much, but there are also people with non the standard flange for connecting different pipe diameter, which is not consistent with the technical specification!
- Q:What's the difference between straight steel pipe and seamless steel pipe?
- Observe whether there is weld seam. Welded pipe without treatment, there are obvious weld, there are bulges, like scars. A better point will shave off the weld, but there is a distinct difference between the eye and the eye. Also a small number of pipe will be processed after cold rolling, surface roughness and accuracy are relatively high, may be counterfeit seamless pipe sales. Careful observation will still show that the pipe wall will have a continuous spiral, metal luster slightly brighter, that is, the original welding seam, metallographic structure and other parts of the difference. To tell the truth, the layman would have to observe that it might be a little difficult.
- Q:How can galvanized steel tubes be painted on the surface?
- Suitable for galvanized base material (antirust primer), epoxy zinc yellow primer (double component), epoxy ester zinc yellow primer.Pretreatment of galvanized sheet when brushing:1, conditional, you can zinc plating phosphating treatment, or first spray a layer of phosphating primer.2, or smooth zinc plating surface sweeping treatment.3, the galvanized workpiece, galvanized pipe surface with solvent (that is, epoxy zinc yellow primer, thinner) wipe, in order to remove the workpiece crude oil protective layer, and increase cleanliness.4, two-component epoxy zinc yellow primer: in strict accordance with the proportion of paint and curing agent paint, and aging 30 minutes later, modulation suitable construction viscosity, you can spray.One component epoxy ester primer: zinc yellow construction viscosity suitable to construction of modulation, the correct construction method.
- Q:What's the actual size of the DN25?
- 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. Using steel pipe to manufacture road bridge can not only save steel, simplify construction, but also greatly reduce the area of coating protective layer, save investment and maintenance cost.
- Q:What's the difference between hot-rolled seamless steel tube or cold-rolled seamless steel tube?
- Cold rolled seamless steel pipe (DIAL) in general, steel pipe for low and medium pressure boiler tube, high-pressure boiler steel pipe, alloy steel pipe, stainless steel pipe, oil cracking tube and other steel tube, including carbon thin-walled steel, alloy thin-walled steel, stainless steel, thin steel tube.
- Q:Galvanized steel pipe in addition to good rust resistance, what are the advantages?
- It has the characteristics of corrosion resistance and wear resistance, so it can be used longer;
- Q:Is there any difference between HFW steel pipe and ERW steel pipe?
- ERW steel is high frequency ERW pipe, English Electric Resistance Welding, referred to as the abbreviation of machined steel in diameter and wall thickness of the pipe size range, with greater flexibility, especially in production
- Q:How do you solder purple copper plate and steel tube?
- When the copper and copper tube size is too large, argon welder welding, DC argon arc welding machine, of course, when DC argon arc welding welding belongs to welding, argon arc welding of brass with Wei Odin 204S welding, the argon arc welding wire for gas welding is not brass wire, this concept must be clear, the wire diameter of 2 80-120A, welding current parameters, if the copper thickness is relatively thick, with a red copper welding after welding preheating in advance.
We has nine sets of machine unit for Φ219-Φ2850 of SAWH steel pipe with an annual production capacity of around 260,000 tons, two sets of SAWL production lines: one with Φ1422 maximum and one Φ813 maximum with an annual production of 200,000 tons, two sets of machine unit for Φ168 maximum and Φ508 maximum HFW steel pipe with an annual production volume of around 160,000 tons, four sets of machine unit of square and rectangle pipe for the size of 200×200, 400×400, 250×250, 300×300 with an annual production capacity of around 140,000 tons and two sets of machine unit for internal and external coating with an annual production capacity of 2,000,000 sq.meters.
1. Manufacturer Overview |
Location |
Wuxi, China |
Year Established |
1980 |
Annual Output Value |
Above Three Million To Five Million RMB |
Main Markets |
Main land |
Company Certifications |
Certificate of Conformity; API 5CT |
2. Manufacturer Certificates |
a) Certification Name |
|
Range |
|
Reference |
|
Validity Period |
|
3. Manufacturer Capability |
a)Trade Capacity |
|
Nearest Port |
Shanghai |
Export Percentage |
30%-40% |
No.of Employees in Trade Department |
1400 People |
Language Spoken: |
English; Chinese |
b)Factory Information |
|
Factory Size: |
1500 square meters |
No. of Production Lines |
Above 14 |
Contract Manufacturing |
CNPC;Sinopec Group |
Product Price Range |
Average |