15Mo3 Pipes

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Dang Steel is a reputable manufacturer and supplier located in Da Nang, Vietnam, known for its top-notch steel products, including 15Mo3 pipes. With a strong focus on quality and customer satisfaction, Dang Steel has earned a solid reputation among industries that need dependable and heat-resistant piping solutions. The company provides a full range of services, from sourcing to delivery, all supported by technical know-how and competitive pricing. Dang Steel follows international standards, ensuring that every 15Mo3 pipe meets strict mechanical and chemical specifications for critical industrial applications in power plants, refineries, and high-temperature settings.

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15Mo3 Seamless Pipe

15Mo3 Welded Pipe

Alloy Steel 15Mo3 EFW Pipe

Table of Contents

What is 15Mo3 Pipes?

15Mo3 pipes are alloy steel pipes made up of carbon (0.12–0.20%), molybdenum (0.25–0.35%), manganese (0.40–0.90%), silicon (0.35%), phosphorus (max 0.025%), and sulfur (max 0.020%). Renowned for their strength at high temperatures, these pipes provide outstanding resistance to oxidation and creep. Their mechanical properties include a tensile strength of 440–590 MPa, a yield strength of at least 290 MPa, and an elongation of 22%. These features make 15Mo3 pipes perfect for high-temperature applications, maintaining their structural integrity under thermal stress, particularly in boilers, pressure vessels, and heat exchangers.

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alloy steel pipes

15Mo3 Pipes Specification

Welded Pipe Size 5.0 mm – 1219.2 mm
Grade 15Mo3 DIN 2609 EFW Pipe size 5.0 mm – 1219.2 mm
CS Tube Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
Standard AISI, DIN, EN, GB, IS, JIS, ASTM, ASME Pipe
Mild Steel Seamless Pipe Size 4 to 219mm W. T.: 0.5 to 20mm
Carbon Steel DIN 2609 Grade 15Mo3 Seamless Tube Size 3.35 mm OD To 101.6 mm OD
DIN 2609 Gr 15Mo3 Pipe Schedule SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
CS Welded Tube Size 6.35 mm OD To 152 mm OD
DIN 2609 Gr. 15Mo3 Tube wall thickness 0.020″ –0.220″, (special wall thicknesses available)
DIN 2609 Gr St52 Carbon Steel Swg & Bwg 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg.
High Temperature Carbon Steel DIN 2609 Gr 15Mo3 Form Round, Hydraulic, ‘U’ bent or Hollow,LSAW, Boiler, Straight Pipe, Clad Pipe, Rectangular, Square Pipe Etc
DIN Gr. 2609 15Mo3 Steel Length Single Random, Double Random, Standard & Cut length Pipe & Tube
Mild Steel Marking All Tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.)
Low Temperature Carbon Steel DIN 2609 Grade 15Mo3 Application Oil Pipe & Tube, Gas Pipe & Tube, Fluid Pipe & Tube, Boiler Pipe & Tube, Heat exchanger Tube
Type Welded, Seamless, ERW, EFW, Fabricated Pipe, ‘U’ bent or Hollow, Hydraulic, LSAW, Boiler, Straight Tube, Tube Coil, Round, Rectangular, Square Tube etc
DIN Gr. 15Mo3 Finish Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF
Grade 15Mo3 DIN 2609 Value Added Service Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc.
2609 Gr. 15Mo3 End Plain End, Beveled End, Treaded Pipe & Tube

15Mo3 Pipes Chemical Composition

Carbon Silicon Manganese Phosphorous Sulphur Molybdenum Nickel Chromium Copper Others
0.12 – 0.20 0.10 – 0.35 0.40 – 0.80 0.035 0.035 0.25 – 0.35

15Mo3 Pipes Mechanical Properties

Yield Strength Tensile Strength Elongation A5 min
MPa min ksi min MPa min MPa min ksi min Percentage
450 600 22

If You Are Looking To Buy High Quality Pipes, Sheet, Fittings and Flanges

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

Top Manufacturer and Supplier of 15Mo3 Pipes in Da Nang, Vietnam

Dang Steel is a major manufacturer and a supplier of premium 15Mo3 Pipes in Da Nang, the Vietnam. With specialization in steel solutions, we offer a variety of products including carbon steel, alloy steel, light steel and galvanized steel. Our wide bearing has pipes, pipes, flanges, pipe fittings, forged fittings, sheets and plates. We are famous for our reliable distribution and extraordinary customer service, and are committed to offering high quality steel materials that ensure durability and better performance in different industrial applications. We are committed to skill, and we are your reliable partners for all steel requirements.

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Types of 15Mo3 Pipes

Alloy Steel 15Mo3 Polished Pipe
Alloy Steel 15Mo3 ERW Pipe
15Mo3 Electropolish Pipe
15Mo3 Rectangular Pipe
Alloy Steel 15Mo3 Round Pipes
Alloy Steel 15Mo3 Hollow Pipe

15Mo3 Alloy Steel Pipe Wall Thickness Tolerance

Cold DrawnOutside Diameter, mmTolerance
outer diameter ≤ 114± 10% or ± 0.2mm
Hot rolledOutside Diameter, mmToleranceWT/outer diameter
outer diameter ≤ 219.1± 12.5% or ± 0.4mmWT/outer diameter ≤ 2.5%
2.5% < WT/outer diameter ≤ 5%
5% < WT/outer diameter ≤ 10%
WT/outer diameter > 10%
outer diameter > 219.1± 20%WT/outer diameter ≤ 2.5%
± 15%2.5% < WT/outer diameter ≤ 5%
± 12.5%5% < WT/outer diameter ≤ 10%
± 10%WT/outer diameter > 10%

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Uses of 15Mo3 Pipes

15Mo3 pipes find extensive use in high-temperature settings where durability and thermal resistance are essential. They are commonly used in boiler tubes, pressure vessels, heat exchangers, and piping systems within power plants and the petrochemical industry. Thanks to their impressive strength and oxidation resistance at elevated temperatures, these pipes are ideal for superheater and reheater tubes in steam generation systems. Additionally, they are utilized in refineries, fertilizer plants, and various industrial processes that handle steam and hot gases under pressure. Their reliability and adherence to EN standards make them a top choice in demanding environments.

Industry We Serve

Food Industry

Oil and Gas Industry

petrochemical industry