SEAMLESS STEEL PIPE

API 5CT oilfield tubing, petroleum steel tubing
API 5CT Tubing,API 5CT Petroleum Tubing, Oilfield Steel Tubing, BORUN Casing Tubing Manufacturer
2016年7月26日
产品内容样式
2016年7月27日

SEAMLESS STEEL PIPE

SMSL PIPE,SEAMLESS STEEL PIPE

SMSL PIPE,SEAMLESS STEEL PIPE

Seamless (SMLS) steel pipe and seamless line pipe

Seamless Carbon Steel Pipes use steel billets as basic material. It is the kind of pipelines without joints around the body which is good to be requested conveying liquids (such as oil, gas, water), so it has a very high intake amount in the oil as well as gas industries all over the world.

SPECIFICATIONS of Seamless (SMLS) steel pipe

  • Hot Rolled: 88.9 mm ~ 508 mm.
  • Hot Expanded: 457mm ~ 914.4 mm.
  • Cold Drawn: 10.3 mm ~ 73mm
  • Length: 5.8m/ 6m/ 11.8m/ 12m or any fixed length as per customer request
  • Standard:API5L/ API5CT/ASTM A53/A106/A179/ A500/A501, JIS G3441/G3444/G3454, DIN 10210/10219, DIN 17175 etc
  • Steel Grade:20#, Q345, A106/53B, A179, S275, S355,GR.B/X42/X46/X56, ST44/37/ A500, J55-P110
  • SurfaceTreatment: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating.
  • Packing:Steel Strips bundled/In Bulk, Plastic Caps connected, waterproof plastic
  • End :Plain Ends ,Beveled End, Threaded with couplings
  • Application: Mainly used for high-temperature liquids transmission (water, heavy steam as well as various other high-temperature liquids), machinery, steel constructions, electricity industry, power plants etc

If you’re thinking about seamless steel pipelines for your following commercial pipe project, please call us and ask for a quote. As a prominent worldwide steel pipe vendor, we could provide you with the items you need and promptly ship your order to anywhere in the globe.

Energy-specific steel seamless tubular products created, checked, and generated in the CHINA.

The chemical composition and mechanical properties of our seamless steel pipe are those prescribed by present standards like API, ASTM, ASME etc . More information can be found below:

Standard Grade Chemical Components (%) Mechanical Properties
ASTM A53 C Si Mn P S Tensile STrength(Mpa) Yield STrength(Mpa)
A ≤0.25 ≤0.95 ≤0.05 ≤0.06 ≥330 ≥205
B ≤0.30 ≤1.2 ≤0.05 ≤0.06 ≥415 ≥240
ASTM A106 A ≤0.30 ≥0.10 0.29-1.06 ≤0.035 ≤0.035 ≥415 ≥240
B ≤0.35 ≥0.10 0.29-1.06 ≤0.035 ≤0.035 ≥485 ≥275
ASTM A179 A179 0.06-0.18 0.27-0.63 ≤0.035 ≤0.035 ≥325 ≥180
ASTM A192 A192 0.06-0.18 ≤0.25 0.27-0.63 ≤0.035 ≤0.035 ≥325 ≥180
API 5L PSL1 A 0.22 0.90 0.030 0.030 ≥331 ≥207
B 0.28 1.20 0.030 0.030 ≥414 ≥241
X42 0.28 1.30 0.030 0.030 ≥414 ≥290
X46 0.28 1.40 0.030 0.030 ≥434 ≥317
X52 0.28 1.40 0.030 0.030 ≥455 ≥359
X56 0.28 1.40 0.030 0.030 ≥490 ≥386
X60 0.28 1.40 0.030 0.030 ≥517 ≥448
X65 0.28 1.40 0.030 0.030 ≥531 ≥448
X70 0.28 1.40 0.030 0.030 ≥565 ≥483
API 5L PSL2 B 0.24 1.20 0.025 0.015 ≥414 ≥241
X42 0.24 1.30 0.025 0.015 ≥414 ≥290
X46 0.24 1.40 0.025 0.015 ≥434 ≥317
X52 0.24 1.40 0.025 0.015 ≥455 ≥359
X56 0.24 1.40 0.025 0.015 ≥490 ≥386
X60 0.24 1.40 0.025 0.015 ≥517 ≥414
X65 0.24 1.40 0.025 0.015 ≥531 ≥448
X70 0.24 1.40 0.025 0.015 ≥565 ≥483
X80 0.24 1.40 0.025 0.015 ≥621 ≥552

 

Standard Grade Chemical composition Mechanical Properties
C Si Mn P S Cr Ni Cu Tensile Strength(Mpa) Yield Strength(Mpa) Elongation(%)
GB/T8163 10 0.07-0.14 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035 ≤0.15 ≤0.25 ≤0.25 335-457 ≥205 ≥24
20 0.17-0.24 0.17-0.37 0.35-0.65 ≤0.035 ≤0.035 ≤0.25 ≤0.25 ≤0.25 410-550 ≥245 ≥20
Q345 0.12-0.20 0.20-0.55 1.20-1.60 ≤0.045 ≤0.045 490-665 ≥325 ≥21

Tolerance 

Pipe types Pipe Szie(mm) Tolerances
Hot rolled OD All ±1% (min ±0.50mm)
WT All +15%, -12.5%
Cold drawn OD 6~10 ±0.20mm
10~30 ±0.40mm
30~50 ±0.45mm
>50 ±1%
WT ≤1 ±0.15mm
>1~3 +15% -10%
>3 +12.5% -10%

pipe Classification

Types Application
Structure Purposes General structure and mechanical
Liquid Services Petroleum, gas and other fluids conveying
Low and Medium Pressure Steam and boiler manufacturing
Hydraulic Pillar Service Hydraulic support
Auto Semi-shaft Casing Auto sem-shaft casing
Line Pipe Oil and gas conveying
Tubing and Casing Oil and gas conveying
Drill Pipes Well drilling
Geological Drilling Pipe Geological drilling
Petroleum Cracking Tubes Furnace tubes, heat exchangers

 

The seamless steel pipe manufacturing process starts with a solid, round steel billet.

This billet is after that heated to excellent temperature levels as well as extended and stoppeded a form till it takes the form of a hollow tube. As other steel pipe vendors will tell you, there are 3 wonderful advantages making a pipe this way.

Increased Pressure Ratings
The biggest benefit of seamless steel pipes is their boosted capacity to endure stress. The weakest factor in a bonded steel pipe is the bonded seam. Because a seamless steel pipe has actually not been bonded, it does not have that seam, making it equally strong around the whole circumference of the pipe.

It is likewise a lot easier to establish pressure estimations without being needed to take weld top quality right into factor to consider.

Although seamless pipe could occasionally be many more expensive than welded pipe, this boosted capacity to stand up to stress permits you to utilize pipes that are thinner and also lighter, which can assist reduce costs.

Seamless steel pipe is a constant extrusion of the alloy, indicating that it will certainly have a round sample that you could rely on, which is helpful when you’re mounting pipes or adding installations.

Strength Under Loads
Seamless steel pipe could in some cases be many more costly compared to other kinds of steel pipe, however it’s also a lot more trusted.

 

 

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