DETRA supplies alloy steel pipes according to major ASTM, ASME and EN standards for high-temperature, high-pressure and demanding industrial applications. Our supply range includes seamless and welded alloy steel pipes for power generation, refineries, petrochemical plants, boilers, heat exchangers, pressure equipment and process piping systems.

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ASTM A335 — Seamless Ferritic Alloy Steel Pipe

Grades: P1 · P5 · P9 · P11 · P12 · P22 · P91 · P92

Seamless ferritic alloy steel pipes intended for high-temperature service. ASTM A335 grades are widely used in power plants, refineries, petrochemical facilities, boilers and high-temperature process piping systems.

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ASTM A335 P11 and P22 are commonly used chromium-molybdenum (Cr-Mo) alloy steel grades for elevated-temperature applications, while ASTM A335 P91 and P92 are used in demanding high-temperature and high-pressure power generation and process applications.

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ASTM A691 — Electric-Fusion-Welded Alloy Steel Pipe

Grades / Classes: 1¼Cr · 2¼Cr · 5Cr · 9Cr and project-specific grades and classes

Electric-fusion-welded alloy steel pipes manufactured from pressure vessel quality plate for high-pressure service at elevated temperatures. ASTM A691 pipes can be supplied in different material grades, heat treatments and manufacturing classes according to project requirements.

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EN 10216-2 — Seamless Steel Tubes for Elevated Temperature Service

Grades: 16Mo3 · 14MoV6-3 · 13CrMo4-5 · 10CrMo9-10 · 11CrMo9-10 · 25CrMo4 · 15NiCuMoNb5-6-4 · X10CrMoVNb9-1 · X20CrMoV11-1

Seamless alloy steel tubes for pressure purposes with specified elevated-temperature properties. The EN 10216-2 range includes molybdenum, chromium-molybdenum and creep-resistant alloy steels designed for demanding temperature and pressure conditions.

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Grades such as 16Mo3, 13CrMo4-5 and 10CrMo9-10 are widely used for boilers, heat exchangers, pressure equipment, steam systems and high-temperature process piping.

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Higher-alloy and creep-resistant grades such as X10CrMoVNb9-1, X10CrWMoVNb9-2 and X20CrMoV11-1 are used for demanding high-temperature applications, particularly in power generation, steam systems and pressure equipment where elevated-temperature strength and creep resistance are required.

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16Mo3 — Molybdenum Alloy Steel Pipe

Standard: EN 10216-2

16Mo3 is a molybdenum-alloyed steel grade widely used for pressure equipment and piping systems operating at elevated temperatures. Typical applications include boilers, heat exchangers, steam systems, power plants and process piping.

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13CrMo4-5 — Chromium-Molybdenum Alloy Steel Pipe

Standard: EN 10216-2

13CrMo4-5 is a chromium-molybdenum alloy steel grade designed for elevated-temperature and pressure applications. It is commonly used in power generation, boilers, pressure equipment and high-temperature process piping systems.

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10CrMo9-10 — Chromium-Molybdenum Alloy Steel Pipe

Standard: EN 10216-2

10CrMo9-10 is a chromium-molybdenum alloy steel grade with good strength at elevated temperatures. It is commonly specified for high-temperature pressure equipment, steam systems, boilers and power generation applications.

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X10CrMoVNb9-1 — Creep-Resistant Alloy Steel Pipe

Standard: EN 10216-2

X10CrMoVNb9-1 is a creep-resistant alloy steel grade developed for demanding high-temperature applications. It is widely used in power plants, high-pressure steam systems and other applications requiring high mechanical strength and long-term creep resistance at elevated temperatures.

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X10CrWMoVNb9-2 — Creep-Resistant Alloy Steel Pipe

Standard: EN 10216-2

X10CrWMoVNb9-2 is a high-temperature creep-resistant alloy steel grade used in advanced power generation and high-pressure steam applications. Its alloy composition provides high strength and creep resistance under demanding operating conditions.

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X20CrMoV11-1 — High Temperature Alloy Steel Pipe

Standard: EN 10216-2

X20CrMoV11-1 is a chromium-molybdenum-vanadium alloy steel grade for high-temperature service. It is used in power generation, steam piping and pressure equipment applications requiring high strength and resistance to long-term elevated-temperature service.

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AVAILABLE PIPE EXECUTIONS

Seamless (SMLS) · Electric-Fusion-Welded (EFW) · Project-Specific Welded Execution

Alloy steel pipes can be supplied in a wide range of outside diameters, wall thicknesses and schedules, including SCH20, SCH30, SCH40, SCH:STD, SCH80, SCH:XS, SCH120, SCH160 and SCH:XXS, subject to the applicable material standard, grade and manufacturing method.

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Ends: Plain End (PE) · Bevelled End (BE) · Threaded End (TE)

Surface: Bare · Varnished · Oiled · Project-specific coating

Length: SRL · DRL · Fixed Length · Random Length

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MATERIAL CERTIFICATION & TESTING

Alloy steel pipes can be supplied with EN 10204 3.1 or 3.2 inspection certificates and project-specific testing and inspection requirements.

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Depending on the applicable material standard, alloy grade and project specification, inspection and testing may include hydrostatic testing, ultrasonic testing (UT), radiographic testing (RT), positive material identification (PMI), impact testing, hardness testing, dimensional inspection, heat treatment verification and additional NDT or third-party inspection requirements.

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APPLICATIONS

Alloy steel pipes supplied by DETRA are used across demanding high-temperature and high-pressure industrial applications, including:

Power Generation · Thermal Power Plants · Refineries · Petrochemical Plants · Chemical Plants · Boilers · Steam Systems · Heat Exchangers · Pressure Equipment · Process Piping · Oil & Gas · Industrial Plants

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REQUEST A QUOTATION

Looking for a specific alloy steel pipe grade or project requirement?

Send us your material list, datasheet or project specification. DETRA can support requirements ranging from individual alloy steel pipes to complete piping material packages.