MachineU > China Products > Minerals & Metallurgy > Carbon Steel > Steel Pipes > Welded Steel Pipes
Plain Ends SSAW Steel Pipe API 5L for Offshore Platform Structures
Plain Ends SSAW Steel Pipe API 5L for Offshore Platform Structures
Specifications
Brand Name :
Jinxi Pipe
Model Number :
Super large diameter welded pipe
Certification :
ISO,BV.SGS,TUV
Place of Origin :
China
MOQ :
1
Price :
400USD/TON
Payment Terms :
L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability :
100000
Delivery Time :
7-25 dyas
Product Name :
SSAW steel Pipe,Spirally Submerged Arc Welding Pipe ,SAWH Pipe, Sprial Steel Pipe,Piling Structure SSAW Pipe
Standard :
API 5L
SSAW Steel Pipe Tube Type :
Welded Steel Pipe
SSAW Steel Pipe OD :
219mm-4064mm
SSAW Steel Pipe Thickness :
3.2mm-40mm
SSAW Steel Pipe Length Range :
5.8/6/11.8/12/18/32meters
SSAW Steel Pipe Ends Type :
Beveled Ends, Plain Ends
SSAW Steel Pipe Protection Caps :
Plastic Caps
Description

SSAW Pipe for Offshore Platform Structures

Specifications

Offshore Spiral Submerged Arc Welded (SSAW) pipe is a large-diameter, high-strength steel pipe manufactured by forming steel coils into a helix and welding the seam using a submerged arc process. It is vital for offshore engineering, serving as critical components for pile legs, risers, and structural foundation supports. These pipes offer high toughness (≥200J) and tensile strength (≥600MPa), enabling them to withstand extreme wave impacts and deep-sea pressures.

American Standard Standard Name
API 5L Specification for Line Pipe

Plain Ends SSAW Steel Pipe API 5L for Offshore Platform Structures

Offshore SSAW Pipe Chemical Composition

Sources American Standard API SPECIFICATION 5L Table 4 — Chemical composition for PSL 1 pipe with t ≤ 25,0 mm (0.984 in)

Steel Grade Mass fraction, based on heat and product analyses a,g
%
C Mn P S V Nb Ti
max b max b max max max max max
Seamless Pipe
A 0.22 0.9 0.03 0.03 – – –
B 0.28 1.2 0.03 0.03 c,d c,d d
X42 0.28 1.3 0.03 0.03 d d d
X46 0.28 1.4 0.03 0.03 d d d
X52 0.28 1.4 0.03 0.03 d d d
X56 0.28 1.4 0.03 0.03 d d d
X60 0.28 e 1.40 e 0.03 0.03 f f f
X65 0.28 e 1.40 e 0.03 0.03 f f f
X70 0.28 e 1.40 e 0.03 0.03 f f f
Welded Pipe
A 0.22 0.9 0.03 0.03 – – –
B 0.26 1.2 0.03 0.03 c,d c,d d
X42 0.26 1.3 0.03 0.03 d d d
X46 0.26 1.4 0.03 0.03 d d d
X52 0.26 1.4 0.03 0.03 d d d
X56 0.26 1.4 0.03 0.03 d d d
X60 0.26 e 1.40 e 0.03 0.03 f f f
X65 0.26 e 1.45 e 0.03 0.03 f f f
X70 0.26e 1.65 e 0.03 0.03 f f f
a. Cu ≤ = 0.50% Ni; ≤ 0.50%; Cr ≤ 0.50%; and Mo ≤ 0.15%,
b. For each reduction of 0.01% below the specified maximum concentration for carbon, an increase of 0.05% above the specified maximum concentration for Mn is permissible, up to a maximum of 1.65% for grades ≥ L245 or B, but ≤ L360 or X52; up to a maximum of 1.75% for grades > L360 or X52, but < L485 or X70; and up to a maximum of 2.00% for grade L485 or X70.,
c. Unless otherwise agreed NB + V ≤ 0.06%,
d. Nb + V + TI ≤ 0.15%,
e. Unless otherwise agreed.,
f. Unless otherwise agreed, NB + V = Ti ≤ 0.15%,
g. No deliberate addition of B is permitted and the residual B ≤ 0.001%

Offshore SSAW Pipe Mechanical Properties

Sources American Standard API SPECIFICATION 5L Table 6 — Requirements for the results of tensile tests for PSL 1 pipe

Pipe Grade Pipe Body of SMLS and Welded Pipes Weld seam of EW,LW,SAW and COW pipes
Yield Strength a Tensile Strength a Elongation Tensile Strength b
Rt0,5 PSI Min Rm PSI Min (in 2in Af % min) Rm PSI Min
A 210 (30 500) 335 (48 600) c 335 (48 600)
B 245(35 500) 415 (60 200) c 415 (60 200)
X42 290 (42 100) 415 (60 200) c 415 (60 200)
X46 320 (46 400) 435 (63 100) c 435 (63 100)
X52 360 (52 200) 460 (66 700) c 460 (66 700)
X56 390 (56 600) 490 (71 100) c 490 (71 100)
X60 415 (60 200) 520 (75 400) c 520 (75 400)
X65 450 (65 300) 535(77 600) c 535 (77 600)
X70 485 (70 300) 570 (82 700) c 570 (82 700)
a. For intermediate grade, the difference between the specified minimum tensile strength and the specified minimum yield for the pipe body shall be as given for the next higher grade.
b. For the intermediate grades, the specified minimum tensile strength for the weld seam shall be the same as determined for the body using footnote a.
c. The specified minimum elongation, Af, expressed in percent and rounded to the nearest percent, shall be determined using the following equation:
* Please refer to the original standard for the formula in the image.
Where C is 1 940 for calculation using Si units and 625 000 for calculation using USC units
Axc is the applicable tensile test piece cross-sectional area, expressed in square millimeters (square inches) , as follows
– For circular cross-section test pieces, 130mm2 (0.20 in2) for 12.7 mm (0.500 in) and 8.9 mm (.350 in) diameter test pieces; and 65 mm2 (0.10 in2) for 6.4 mm (0.250in) diameter test pieces.
– For full-section test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified outside diameter and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2)
– For strip test pieces, the lesser of a) 485 mm2 (0.75 in2) and b) the cross-sectional area of the test piece, derived using the specified width of the test piece and the specified wall thickness of the pipe, rounded to the nearest 10 mm2 (0.10in2)
U is the specified minimum tensile strength, expressed in megapascals (pounds per square inch)

Offshore SSAW Pipe Manufacturing process

Raw Material Inspection → Strip Joining → Pre-forming Treatment → Conveyor Control → Roll Forming → Gap Control → Welding → NDT (Non-Destructive Testing) → Single Pipe Cutting → Batch Inspection → Defect Repair → Weld Inspection → Hydrostatic Testing → End Finishing

Plain Ends SSAW Steel Pipe API 5L for Offshore Platform Structures

Offshore SSAW Pipe Application

  • Submarine Pipeline Systems
  • Offshore Platform Structures
  • Marine Piling and Foundation Applications
  • Riser Systems and Risers
  • Offshore Loading and Offloading Systems
  • Seawater Intake and Discharge Lines
  • Subsea Production Systems
  • Offshore Construction and Installation
  • Pipeline End Terminations and Tie-Ins
  • Offshore Renewable Energy

Offshore SSAW Pipe Packing & Loading

→SSAW Pipe is transported in containers

(Nesting Packaging): Large-diameter SSAW pipes can be nested within one another, similar to Russian dolls, to utilize the internal space of larger pipes and minimize the volume of the cargo. This is a "game-changer" for reducing freight expenses and improving supply chain efficiency.

Plain Ends SSAW Steel Pipe API 5L for Offshore Platform Structures

SSAW Pipe is transported by bulk carrier

Plain Ends SSAW Steel Pipe API 5L for Offshore Platform Structures

Send your message to this supplier
Send Now

Plain Ends SSAW Steel Pipe API 5L for Offshore Platform Structures

Ask Latest Price
Product Detail
Brand Name :
Jinxi Pipe
Model Number :
Super large diameter welded pipe
Certification :
ISO,BV.SGS,TUV
Place of Origin :
China
MOQ :
1
Price :
400USD/TON
Contact Supplier
Plain Ends SSAW Steel Pipe API 5L for Offshore Platform Structures

Jinxi Steel Industry Group Co.Ltd.

Verified Supplier
1 Years
hunan, changsha
Since 1986
Business Type :
Manufacturer, Distributor/Wholesaler, Agent, Exporter, Trading Company, Seller
Main Products :
Seamless Steel Pipe, Stainless Steel Pipe, Alloy Steel Pipe
Total Annual :
10000000000-30000000000
Employee Number :
100~500
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products SSAW Steel Pipe
MachineU China Products Minerals & Metallurgy Carbon Steel Steel Pipes Welded Steel Pipes
Contact Supplier
Submit Requirement