Pipeline Steel Plates

Forever Steel Manufacturing Co., Ltd
pipeline steel plate,API 5L X60 plate,X65 X70 steel sheet,HIC resistant steel,planchas para tuberías,acero para gasoductos,thermomechanical rolled plate

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  • Coated steel pipe transportation,3LPE pipe protection,FBE coating safety,steel pipe logistics Middle East,hemp rope pipe buffering
    Specialized Protection Protocols for Coated Steel Pipe Logistics Overview At **Forever Steel**,we understand that a steel pipe is only as good as its surface condition upon arrival,For projects in **South America** and the **Middle East**,our focus is on preventing "Holiday" (coating gaps) and mechanical gouges during the complex multi-modal transport process,Multi-Layered Material Protection We utilize a combination of traditional and modern soft-protection materials to ensure the safety of 3LPE,FBE,and 3LPP coatings: * **Hemp Rope Spiraling**: Thick hemp ropes are coiled around the pipe body to maintain a fixed safety distance between pipes,eliminating friction during sea-transit,* **Straw Mat Interlining**: Heavy-duty straw mats are placed on all timber dunnage to absorb shocks and prevent pressure-point marks on the coating,* **Non-Woven Fabric Shielding**: For sensitive FBE coatings,we offer full-body wrapping in high-density non-woven fabric to protect against dust,UV rays,and micro-abrasions,Compliance & Quality Assurance All our handling and loading procedures follow **API 5L** transportation guidelines and **ISO 21809** standards,We use only nylon webbing slings and padded hooks—**zero metal-to-metal contact** is guaranteed throughout the loading process,Why Choose Forever Steel? Our commitment to detail reduces your project’s "On-Site Repair" costs,We provide a complete **Loading & Bracing Plan** with every shipment,ensuring that your procurement team has full transparency over the safety of your assets,
  • External Coatings,Cathodic Protection,Corrosion Inhibitors,Environmental Management,Monitoring and Maintenance
    Based on the extreme environmental conditions of the Middle East—specifically high ambient temperatures,significant diurnal (day-night) temperature swings,and highly saline or corrosive desert soils—preventing corrosion requires a more robust technical approach than standard environments,Here is the strategy for preventing corrosion in underground oil pipelines specifically tailored for the Middle East: 1,Advanced Coating: 3LPP vs,3LPE In the Middle East,surface temperatures can exceed 50°C,and the oil inside the pipe is often transported at high temperatures,3-Layer Polypropylene (3LPP): While 3LPE is standard globally,3LPP is the preferred choice for Middle Eastern projects (such as those by Saudi Aramco or ADNOC),Polypropylene has a much higher softening point than polyethylene,allowing it to withstand operating temperatures up to 110°C and providing better resistance to the abrasive desert sand,High-Glass Transition FBE: The primer layer (Fusion Bonded Epoxy) must have a high $T_g$ (Glass Transition Temperature) to ensure the coating does not become brittle or lose adhesion during extreme thermal cycling,2,Enhanced Cathodic Protection (CP) High temperatures accelerate the electrochemical corrosion rate (following the Arrhenius Law),For every 10°C increase in temperature,the corrosion rate can nearly double,Impressed Current Cathodic Protection (ICCP): Due to the long distances and high soil resistivity in dry deserts,ICCP is mandatory,Deep Well Anode Beds: To reach stable soil moisture and avoid the high-resistance surface layers dried out by the sun,anodes are typically buried in deep vertical wells,Automatic Rectifiers: Systems must use smart rectifiers that automatically adjust current output to compensate for changes in soil moisture and temperature between day and night,3,Managing Thermal Expansion and Stress The massive temperature delta between the scorching day and cooler night causes the steel to expand and contract significantly,Anti-Abrasion Overcoating: As the pipe moves slightly due to thermal expansion,it rubs against the soil,An additional "Rough Coat" or concrete weighting is often used to prevent the primary anti-corrosion coating from being "sanded" away,Selection of Backfill: Using screened,fine-grained sand for backfilling is critical,This prevents "point loading," where sharp rocks could be pushed through the coating as the pipe expands and contracts,4,Internal Corrosion & MIC Control Even in arid deserts,moisture can condense inside the pipeline or exist in the crude oil,Sulfate-Reducing Bacteria (SRB): These bacteria thrive in the warm underground temperatures of the Middle East,leading to Microbiologically Influenced Corrosion (MIC),Inhibitor Injection: Constant injection of corrosion inhibitors and regular Pigging (using cleaning scrapers) are required to remove water pockets and biofilms from the internal floor of the pipe,5,Remote Digital Monitoring Given the vast and inhospitable nature of Middle Eastern oil fields,manual inspection is difficult,Remote Monitoring Units (RMU): These units use satellite or GSM to transmit CP data (pipe-to-soil potential) to a central office,ensuring the protection is active 24,7 without needing field crews in the heat,Fiber Optic Sensing: Many modern lines bury fiber optic cables alongside the pipe to detect leaks and mechanical stress caused by soil movement or thermal shifts,
  • Bitumen coated pipe,Austenitic stainless steel,Production tubing
    You need custom curves for a specific project,but bending steel often results in wrinkles or cracks,It is frustrating when a simple modification ruins high-quality steel,I will show you how to get the perfect angle,To learn how to bend exhaust pipe effectively,you must support the internal structure to prevent collapse,For manual bending
  • Electric resistance welded,3LPP coated pipe,Polyethylene coated pipe
    Natural gas is a highly flammable and explosive energy source,and its safe transportation is a matter of great importance,Among all transportation methods,long-distance pipelines are considered the safest,fastest,and most cost-effective solution,However,during the operation of these pipelines
  • Structural hollow section,Precision seamless pipe,Drill pipe
    In modern construction and residential water supply systems,PE coated pipe has become one of the most reliable and widely used materials,Known for its corrosion resistance,durability,and flexibility,it provides a practical solution for both hot and cold water pipelines,Below,we explore the operating conditions,installation considerations,and technical performance of PE coated pipes in building applications,

Pipeline Steel Plates

Pipelline Steel plates
API 5L X65 PSL2 pipeline steel plate for large diameter LSAW pipe production
High toughness API 5L X70 pipeline steel plate with DWTT and Charpy impact test
HIC resistant pipeline steel plate for sour service oil and gas transportation

Plate Type: Line Pipe Plates

Steel Grade: API 5L Grade B, X42, X46, X52, X60, X65, X70 Steel Plate,ASTM A572 Grade 50/60 etc.

Width: 1220mm 1250mm 1500mm Or As Customer Required

Thickness: 2.0mm-200mm

Length: 2440mm 2500mm 3000mm Or As Required

Standard: API 5L/ASTM A572/ASMT A252 

Surface: Mild Steel Plain inish, Hot-Dip Galvanized, Color Coated, Etc.

Processing Service: Bending, Welding, Decoiling, Cutting, Punching

Application: Sour Service Line Pipe Plate (H2S Resistance),HIC Resistant Steel (Hydrogen Induced Cracking),NACE MR0175 / ISO 15156 Compliant,Arctic Grade Line Pipe (-40°C / -60°C Impact Toughness),Deepwater Offshore Pipeline Steel

  • Description
  • Specification
  • Standard
  • Process
  • Package & marking

Common Standards and Steel Grades

We supply a full range of pipeline steels that comply with the most recognized international standards for oil and gas transport:

API SPEC 5L:The industry benchmark for line pipe material.

Common Grades:Grade B, X42, X46, X52, X56, X60, X65, X70, X80.

Product Specification Levels:Available in bothPSL1(General) andPSL2(Strict mechanical/chemical requirements).

ASTM A572:High-strength low-alloy structural steel for ancillary pipeline structures.

EN 10208:Steel pipes for pipelines for combustible fluids.

ISO 3183:International standard for petroleum and natural gas industries—Steel pipe for pipeline transportation systems.


Dimensions and Technical Specifications

We provide large-format plates to facilitate the manufacturing of LSAW (Longitudinal Submerged Arc Welded) and SSAW (Spiral Submerged Arc Welded) pipes:

Feature

Specification Range

Thickness (WT)

6mm to 60mm (Up to 100mm for high-pressure station piping)

Width

1500mm to 4500mm (Ultra-wide plates for large-diameter pipes)

Length

6000mm to 18000mm (Custom lengths to optimize pipe sections)

Surface Condition

Bare, Shot-blasted, or Anti-corrosion Coated

Edge Condition

Square cut or CNC Beveled for welding preparation


Core Application Fields

Pipeline steel plates are the starting material for massive infrastructure projects:

Oil & Gas Transmission:Manufacturing of high-pressure mainlines for crude oil, natural gas, and petroleum products.

Offshore Subsea Pipelines:Heavy-wall plates designed for deep-water collapse resistance and sour service (H2S resistance).

Water Transmission:Large-diameter pipes for municipal water supply and high-pressure irrigation systems.

Hydrogen Transport:Specialized "Hydrogen-Ready" plates with low-permeability microstructures.

Slurry Pipelines:Abrasion-resistant pipeline steel for mining and mineral transport.

Common steel plate standards and grades

Application International Standard Common Material Grades
Structural / Construction

ASTM A36

A572EN 10025

AS/NZS 3678

Grade 36, Grade 50, Grade 60S235JR, S275JR, S355JR/J0/J2G250, G350, G450
Pressure Vessel / Boiler

ASTM A516 / A28

 EN 10028

AS 1548

Gr. 60, Gr. 65, Gr. 70P235GH, P265GH, P355GHPT430, PT460, PT490
Shipbuilding / Offshore ASTM A131Class Societies Grade A, B, D, EAH32, DH36, EH36 (ABS/BV/LR/DNV)
High Strength (HSLA)

ASTM A51

EN 10025-6

Grade Q, Grade SS690QL, S890QL, S960QL
Abrasion Resistant (AR) Proprietary / ISO AR400, AR450, AR500 (Hardness Brinell)

Steel Plate Dimensional Tolerances

Standard (Application) Parameter Tolerance Category/Class Thickness Range (mm) Tolerance Value (mm)
EN 10025 / EN 10225(Structural & Offshore) Thickness(Acc. to EN 10029)

Class A (Standard

Class B (Fixed -0.3mm)

Class C (All Plus)

Class D (Symmetrical)

8 ≤ t < 15

15 ≤ t < 25

25 ≤ t < 40

Class A: -0.5 / +1.1

Class B: -0.3 / +1.3

Class C: -0.0 / +1.6

Class D: -0.8 / +0.8

Width

Width ≤ 2000m

Width > 2000mm

All -0 / +20mm-0 / +25mm
Length

Length < 4000m

 4000 ≤ L < 6000

All -0 / +20mm-0 / +30mm
ASTM A516 / A20(Pressure Vessel) Thickness Under-tolerance (Fixed)

t < 25m

25 ≤ t < 50

50 ≤ t < 75

-0.3mm-0.3mm-0.3mm
Over-tolerance (Var.)

t < 25m

25 ≤ t < 50

50 ≤ t < 75

+1.1mm+1.5mm+1.8mm
Width

W ≤ 1500m

1500 < W ≤ 2100

All -0 / +19mm           
 -0 / +25mm
Length

L < 3600m

3600 ≤ L < 6000

All -0 / +19mm-0 / +25mm
EN 10028(Boiler & Vessel) Thickness(Strict) Class B (Common)

6 ≤ t < 1

15 ≤ t < 30

30 ≤ t < 50

-0.3 / +1.1

-0.3 / +1.3

-0.3 / +1.7

API 5L PSL1/PSL2(Pipeline Steel) Thickness Body of Plate

6.4 < t < 12.

12.7 ≤ t < 20.0

± 0.1t (PSL1)

± 0.1t (PSL2 max ±1.5)

Width All All ± 0.005 × Width
Length Fixed Lengths All -0 / +100mm (or per contract)

Carbon Steel Plate Production Process

Package and marking

According to customer's requirements, more than two steel plates can be bundled as following.

1. Two or more steel plates are bare and bound, and the unit plate are not bound.
2. Horizontal binding not less than four,the edge can be protected angle.
3. The straps at both ends are fixed at 200~500 mm from the end of the plate.


Marking

1. The marking is eye-catching, firm,clear and standard,and does not fade.The marking information Includes Surface painting, side painting (side label) and die stamping.
2. Surface painting contains the following information: Forever steel company logo, steel grade,standard,plate number, plate dimensions, heat number, special painting (CE certification, vessel certification, API certification, etc.), special requirements of the customer.
3. Side painting (side label) paste flat, firm, parallel to the direction of the steel plate rolling, information includes steel grade, plate number, plate dimensions, special requirements of the customer.
4. Die stamping: suitable for shipbuilding plate, CE certification plate, API certification plate, vessel plate and steel plate required by customer, information includes: steel grade, plate number, special information (ship certification, CE certification and API certification, etc.), special requirements of the customer.

Common steel plate standards and grades

Application International Standard Common Material Grades
Structural / Construction

ASTM A36

A572EN 10025

AS/NZS 3678

Grade 36, Grade 50, Grade 60S235JR, S275JR, S355JR/J0/J2G250, G350, G450
Pressure Vessel / Boiler

ASTM A516 / A28

 EN 10028

AS 1548

Gr. 60, Gr. 65, Gr. 70P235GH, P265GH, P355GHPT430, PT460, PT490
Shipbuilding / Offshore ASTM A131Class Societies Grade A, B, D, EAH32, DH36, EH36 (ABS/BV/LR/DNV)
High Strength (HSLA)

ASTM A51

EN 10025-6

Grade Q, Grade SS690QL, S890QL, S960QL
Abrasion Resistant (AR) Proprietary / ISO AR400, AR450, AR500 (Hardness Brinell)

Steel Plate Dimensional Tolerances

Standard (Application) Parameter Tolerance Category/Class Thickness Range (mm) Tolerance Value (mm)
EN 10025 / EN 10225(Structural & Offshore) Thickness(Acc. to EN 10029)

Class A (Standard

Class B (Fixed -0.3mm)

Class C (All Plus)

Class D (Symmetrical)

8 ≤ t < 15

15 ≤ t < 25

25 ≤ t < 40

Class A: -0.5 / +1.1

Class B: -0.3 / +1.3

Class C: -0.0 / +1.6

Class D: -0.8 / +0.8

Width

Width ≤ 2000m

Width > 2000mm

All -0 / +20mm-0 / +25mm
Length

Length < 4000m

 4000 ≤ L < 6000

All -0 / +20mm-0 / +30mm
ASTM A516 / A20(Pressure Vessel) Thickness Under-tolerance (Fixed)

t < 25m

25 ≤ t < 50

50 ≤ t < 75

-0.3mm-0.3mm-0.3mm
Over-tolerance (Var.)

t < 25m

25 ≤ t < 50

50 ≤ t < 75

+1.1mm+1.5mm+1.8mm
Width

W ≤ 1500m

1500 < W ≤ 2100

All -0 / +19mm           
 -0 / +25mm
Length

L < 3600m

3600 ≤ L < 6000

All -0 / +19mm-0 / +25mm
EN 10028(Boiler & Vessel) Thickness(Strict) Class B (Common)

6 ≤ t < 1

15 ≤ t < 30

30 ≤ t < 50

-0.3 / +1.1

-0.3 / +1.3

-0.3 / +1.7

API 5L PSL1/PSL2(Pipeline Steel) Thickness Body of Plate

6.4 < t < 12.

12.7 ≤ t < 20.0

± 0.1t (PSL1)

± 0.1t (PSL2 max ±1.5)

Width All All ± 0.005 × Width
Length Fixed Lengths All -0 / +100mm (or per contract)

Carbon Steel Plate Production Process

Package and marking

According to customer's requirements, more than two steel plates can be bundled as following.

1. Two or more steel plates are bare and bound, and the unit plate are not bound.
2. Horizontal binding not less than four,the edge can be protected angle.
3. The straps at both ends are fixed at 200~500 mm from the end of the plate.


Marking

1. The marking is eye-catching, firm,clear and standard,and does not fade.The marking information Includes Surface painting, side painting (side label) and die stamping.
2. Surface painting contains the following information: Forever steel company logo, steel grade,standard,plate number, plate dimensions, heat number, special painting (CE certification, vessel certification, API certification, etc.), special requirements of the customer.
3. Side painting (side label) paste flat, firm, parallel to the direction of the steel plate rolling, information includes steel grade, plate number, plate dimensions, special requirements of the customer.
4. Die stamping: suitable for shipbuilding plate, CE certification plate, API certification plate, vessel plate and steel plate required by customer, information includes: steel grade, plate number, special information (ship certification, CE certification and API certification, etc.), special requirements of the customer.

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  • Tags : pipeline steel plate , API 5L X60 plate , X65 X70 steel sheet , HIC resistant steel , planchas para tuberías , acero para gasoductos , thermomechanical rolled plate

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