Seamless Boiler Pipes

Forever Steel Manufacturing Co., Ltd
seamless boiler pipe,boiler tube,ASTM A192,ASTM A210,high pressure boiler tube,tubería para calderas,tubos sin costura para vapor

Latest news list

  • 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,

Seamless Boiler Pipes

seamless bolier pipes
High pressure seamless boiler pipe ASTM A192 for power plant steam systems
ASTM A210 Grade C seamless boiler tubing with high temperature resistance

Product: Seamless Boiler Pipe, Seamless Boiler Tube,Boiler Pipe, Boiler Steel Pipe, Seamless Boiler Tubes, Carbon Steel Boiler Tube, Boiler Heat Pipe, Stainless Steel Boiler Pipe, Boiler Seamless Steel Pipe, High Pressure Boiler Tube

Application: Used For Superheated Pipelines, Steam Pipeline, Boiling Water Tube

Specification:

Outer Diameter (Od): 13.72-914.4mm

Wall Thickness(Wt): 1.65-22mm

Length: 0.5mtr-20mtr

Pipe Standard: Astm A179, Astm A192, Astm A210, Astm A213, Grade T2/T5/T9/T11/T12/T22/T23/T24/T36/T9; En10216/Bs3059; Jis G3454/G3456/G3461

End: Square Ends/Plain Ends (Straight Cut, Saw Cut, Torch Cut),Beveled/Threaded Ends

Surface: Black Painting/Oil Painting/Anti-Rust Oil/Anti-Corrosive Coating

Packing: Bundled,Plastic Caps Plugged,Waterproof Paper/Bag Wrapped

  • Description
  • Specification
  • Standard
  • Process
  • Packing

Seamless (SMLS) Boiler Pipes & Tubes

Our high-performance seamless boiler pipes are engineered to withstand extreme pressures and elevated temperatures in critical energy infrastructure. Manufactured via hot-finished or cold-drawn processes, these pipes ensure maximum safety and thermal efficiency for global industrial applications.


1. Technical Specifications

We provide a comprehensive range of dimensions to meet diverse engineering requirements:

Outside Diameter (OD):6 mm – 762 mm (1/4" to 30")

Wall Thickness (WT):1 mm – 120 mm (SCH 10 to SCH XXS)

Length:5.8m, 6m, 11.8m, 12m, or Customized (up to 18m for specific boiler projects)

Ends:Plain end, Beveled end, or Threaded with coupling.


2. Common Standards & Steel Grades

We supply pipes strictly adhering to international standards, ensuring full traceability withMaterial Test Certificates (MTC) according to EN 10204 3.1/3.2.

Material Category

Standard

Common Grades

Carbon Steel

ASTM A192 / ASME SA192

Low Carbon High-Pressure


ASTM A179 / ASME SA179

Low Carbon (Heat Exchangers)


ASTM A106 / ASME SA106

Grade B, Grade C


ASTM A210 / ASME SA210

Grade A1, Grade C

Alloy Steel

ASTM A213 / ASME SA213

T11, T12, T22, T91, T92


ASTM A335 / ASME SA335

P11, P22, P91, P92


3. Key Applications

Designed for the most demanding thermal environments, our SMLS boiler pipes are regularly used in:

Power Generation:Superheaters, reheaters, and main steam pipelines.

Petrochemical:Heat exchangers, condensers, and furnace tubes.

Industrial Boilers:Economizers, water wall panels, and headers.

Oil & Gas:High-pressure steam injection and refinery processing lines.


4. Packing & Export Protection

To ensure the integrity of the material during maritime transit, we utilize professional export-standard packaging:

Surface Treatment:Black painting, anti-rust oil, or varnish coating to prevent corrosion.

End Protection:Plastic pipe caps on both ends to protect threads and internal surfaces.

Bundling:Hexagonal bundles secured with strong steel strips.

Container Loading:Handled with nylon slings to avoid surface scratches; internal bracing and seafreight-ready wooden crates for thin-walled tubes (ASTM A179/A192).

Boiler SMLS pipes size table

Nominal Nominal Outside Wall Thickness (mm)
diameter (A) diameter (B) diameter (mm) 2.8 3 3.5 4 5 6 7 8 9 10 11 12 13 14 15 17 20 25 30 35 40 45
25 1 34
25 1 38.1
40 1 1/2 48.6
50 2 60.5
65 2 1/2 76.3
80 3 89.1
100 4 114.3
100 4 -120
125 5 139.8
150 6 165.2
150 6 168.3
- 7 193.7
200 8 219.1
250 10 273
300 12 323.9
350 14 355.6
400 16 406.4
450 18 457.2
500 20 508
550 22 558.8
600 24 609.6


Table 1 ASTM A213 Steel Tubes Outside Diameter and Wall Thickness Tolerance

Item Range (OD, mm) Tolerance
OD Tolerance < 25.4 +/- 0.10
25.4 - <= 38.1 +/- 0.15
> 38.1 - < 50.8 +/- 0.20
50.8 - < 63.5 +/- 0.25
63.5 - < 76.2 +/- 0.30
76.2 - <= 101.6 +/- 0.38
> 101.6 - <= 190.5 +0.38 / -0.64
> 190.5 - <= 228.6 +0.38 / -1.14
WT Tolerance <= 38.1 +20% / -0
> 38.1 +22% / -0

Table 2 ASTM A213 Alloy Steel Tube Chemical Composition (%, max)

Steel Grade ASTM A213 Alloy Steel Tube Chemical Composition (%, max)
C Si Mn P, S (Max) Cr Mo
T2 0.10~0.20 0.10~0.30 0.30~0.61 0.025 0.50~0.81 0.44~0.65
T11 0.05~0.15 0.50~1.00 0.30~0.60 0.025 1.00~1.50 0.44~0.65
T12 0.05~0.15 Max 0.5 0.30~0.61 0.025 0.80~1.25 0.44~0.65
T22 0.05~0.15 Max 0.5 0.30~0.60 0.025 1.90~2.60 0.87~1.13
T91 0.07~0.14 0.20~0.50 0.30~0.60 0.02 8.0~9.5 0.85~1.05
T92 0.07~0.13 Max 0.5 0.30~0.60 0.02 8.5~9.5 0.30~0.60


Table 3 ASTM A213 Alloy Steel Tube Mechanical Properties

Steel Grade ASTM A213 Alloy Steel Tube Mechanical Properties
T. S (MPa) Y. P (MPa) Elongation Hardness (HBW/HRB)
T2 ≥ 415 ≥ 205 ≥ 30% 163HBW (85HRB)
T11 ≥ 415 ≥ 205 ≥ 30% 163HBW (85HRB)
T12 ≥ 415 ≥ 220 ≥ 30% 163HBW (85HRB)
T22 ≥ 415 ≥ 205 ≥ 30% 163HBW (85HRB)
T91 ≥ 585 ≥ 415 ≥ 20% 250HBW (25HRB)
T92 ≥ 620 ≥ 440 ≥ 20% 250HBW (25HRB)

Boiler Seamless Pipe Standards

Application Common Standard Material Type
High-Pressure Boiler Tubes ASTM A192 Carbon Steel
Heat Exchanger Tubes ASTM A179 Low-Carbon Steel
High-Temp Steam Pipe ASTM A106 Carbon Steel
Superheater/Reheater Tubes ASTM A213 Alloy Steel (T-Grades)
Main Steam Line Piping ASTM A335 Alloy Steel (P-Grades)

Boiler Pipe Production Process

Boiler SMLS pipes size table

Nominal Nominal Outside Wall Thickness (mm)
diameter (A) diameter (B) diameter (mm) 2.8 3 3.5 4 5 6 7 8 9 10 11 12 13 14 15 17 20 25 30 35 40 45
25 1 34
25 1 38.1
40 1 1/2 48.6
50 2 60.5
65 2 1/2 76.3
80 3 89.1
100 4 114.3
100 4 -120
125 5 139.8
150 6 165.2
150 6 168.3
- 7 193.7
200 8 219.1
250 10 273
300 12 323.9
350 14 355.6
400 16 406.4
450 18 457.2
500 20 508
550 22 558.8
600 24 609.6


Table 1 ASTM A213 Steel Tubes Outside Diameter and Wall Thickness Tolerance

Item Range (OD, mm) Tolerance
OD Tolerance < 25.4 +/- 0.10
25.4 - <= 38.1 +/- 0.15
> 38.1 - < 50.8 +/- 0.20
50.8 - < 63.5 +/- 0.25
63.5 - < 76.2 +/- 0.30
76.2 - <= 101.6 +/- 0.38
> 101.6 - <= 190.5 +0.38 / -0.64
> 190.5 - <= 228.6 +0.38 / -1.14
WT Tolerance <= 38.1 +20% / -0
> 38.1 +22% / -0

Table 2 ASTM A213 Alloy Steel Tube Chemical Composition (%, max)

Steel Grade ASTM A213 Alloy Steel Tube Chemical Composition (%, max)
C Si Mn P, S (Max) Cr Mo
T2 0.10~0.20 0.10~0.30 0.30~0.61 0.025 0.50~0.81 0.44~0.65
T11 0.05~0.15 0.50~1.00 0.30~0.60 0.025 1.00~1.50 0.44~0.65
T12 0.05~0.15 Max 0.5 0.30~0.61 0.025 0.80~1.25 0.44~0.65
T22 0.05~0.15 Max 0.5 0.30~0.60 0.025 1.90~2.60 0.87~1.13
T91 0.07~0.14 0.20~0.50 0.30~0.60 0.02 8.0~9.5 0.85~1.05
T92 0.07~0.13 Max 0.5 0.30~0.60 0.02 8.5~9.5 0.30~0.60


Table 3 ASTM A213 Alloy Steel Tube Mechanical Properties

Steel Grade ASTM A213 Alloy Steel Tube Mechanical Properties
T. S (MPa) Y. P (MPa) Elongation Hardness (HBW/HRB)
T2 ≥ 415 ≥ 205 ≥ 30% 163HBW (85HRB)
T11 ≥ 415 ≥ 205 ≥ 30% 163HBW (85HRB)
T12 ≥ 415 ≥ 220 ≥ 30% 163HBW (85HRB)
T22 ≥ 415 ≥ 205 ≥ 30% 163HBW (85HRB)
T91 ≥ 585 ≥ 415 ≥ 20% 250HBW (25HRB)
T92 ≥ 620 ≥ 440 ≥ 20% 250HBW (25HRB)

Boiler Seamless Pipe Standards

Application Common Standard Material Type
High-Pressure Boiler Tubes ASTM A192 Carbon Steel
Heat Exchanger Tubes ASTM A179 Low-Carbon Steel
High-Temp Steam Pipe ASTM A106 Carbon Steel
Superheater/Reheater Tubes ASTM A213 Alloy Steel (T-Grades)
Main Steam Line Piping ASTM A335 Alloy Steel (P-Grades)

Boiler Pipe Production Process

  • Prev : Hot Expanded Seamless Pipes
  • Next : SMLS Line Pipes
  • Tags : seamless boiler pipe , boiler tube , ASTM A192 , ASTM A210 , high pressure boiler tube , tubería para calderas , tubos sin costura para vapor

Find what you need ?

close