DETRA supplies stainless steel, duplex and super duplex pipes according to major ASTM, ASME and EN standards for corrosive, high-temperature and demanding industrial applications. Our supply range includes seamless and welded pipes for chemical and petrochemical plants, oil & gas facilities, refineries, power generation, marine and offshore applications, food and pharmaceutical industries, pressure equipment and process piping systems.

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ASTM A312 — Seamless & Welded Austenitic Stainless Steel Pipe

Grades: TP304 · TP304L · TP304H · TP316 · TP316L · TP316H · TP317 · TP317L · TP321 · TP321H · TP347 · TP347H · TP904L

ASTM A312 covers seamless and welded austenitic stainless steel pipes intended for high-temperature and general corrosive service. TP304/304L and TP316/316L are among the most widely used stainless steel pipe grades for industrial process piping.

Higher-temperature grades such as TP304H, TP316H, TP321H and TP347H are used in applications requiring improved strength and stability at elevated temperatures, while TP904L (UNS N08904) is used for highly corrosive environments requiring increased resistance to acids, pitting and crevice corrosion.​

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ASTM A790 — Seamless & Welded Duplex and Super Duplex Stainless Steel Pipe

Grades: UNS S31803 · UNS S32205 · UNS S32750 · UNS S32760

ASTM A790 covers seamless and welded ferritic-austenitic stainless steel pipes for general corrosive service, with particular emphasis on resistance to chloride-induced stress corrosion cracking.

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UNS S31803 and UNS S32205 (Duplex 2205) combine high mechanical strength with good corrosion resistance and are widely used in chemical processing, oil & gas, marine, offshore and industrial piping systems.

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UNS S32750 (Super Duplex 2507) and UNS S32760 provide higher resistance to pitting, crevice corrosion and chloride-containing environments and are used for demanding offshore, seawater, chemical processing and oil & gas applications.​

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ASTM A269 — Seamless & Welded Austenitic Stainless Steel Tubing

Grades: TP304 · TP304L · TP316 · TP316L · TP321 · TP347 · TP904L and other applicable grades

Seamless and welded austenitic stainless steel tubing for general service. ASTM A269 tubes are widely used in instrumentation, process systems, heat exchangers and other industrial applications requiring corrosion resistance.

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ASTM A213 — Seamless Stainless Steel Boiler, Superheater & Heat Exchanger Tubes

Grades: TP304 · TP304L · TP304H · TP316 · TP316L · TP316H · TP321 · TP321H · TP347 · TP347H

Seamless stainless steel tubes designed for boilers, superheaters and heat exchangers. These grades are commonly used in applications requiring corrosion resistance and reliable mechanical properties at elevated temperatures.

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EN 10216-5 — Seamless Stainless Steel Tubes for Pressure Purposes

Grades: 1.4301 (X5CrNi18-10) · 1.4306 (X2CrNi19-11) · 1.4307 (X2CrNi18-9) · 1.4401 (X5CrNiMo17-12-2) · 1.4404 (X2CrNiMo17-12-2) · 1.4432 (X2CrNiMo17-12-3) · 1.4435 (X2CrNiMo18-14-3) · 1.4539 (X1NiCrMoCu25-20-5 / 904L) · 1.4541 (X6CrNiTi18-10) · 1.4550 (X6CrNiNb18-10) · 1.4571 (X6CrNiMoTi17-12-2) · 1.4462 (X2CrNiMoN22-5-3) · 1.4410 (X2CrNiMoN25-7-4) · 1.4501 (X2CrNiMoCuWN25-7-4)

EN 10216-5 covers seamless stainless steel tubes for pressure purposes, including austenitic, duplex, super duplex and highly alloyed austenitic stainless steel grades for corrosive and demanding industrial applications.

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Grades 1.4301 / 1.4307 are widely used for general corrosion-resistant applications, while molybdenum-alloyed grades such as 1.4401 / 1.4404 / 1.4435 provide improved resistance in more aggressive environments.

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1.4539 (904L) is a high-alloy austenitic stainless steel grade with high nickel, chromium and molybdenum content, providing excellent corrosion resistance in aggressive chemical and acidic environments.

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1.4462 is one of the most widely used duplex stainless steel grades, while 1.4410 and 1.4501 are super duplex grades designed for highly corrosive environments and applications involving chlorides and seawater.

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EN 10217-7 — Welded Stainless Steel Tubes for Pressure Purposes

Grades: 1.4301 (X5CrNi18-10) · 1.4307 (X2CrNi18-9) · 1.4401 (X5CrNiMo17-12-2) · 1.4404 (X2CrNiMo17-12-2) · 1.4432 (X2CrNiMo17-12-3) · 1.4435 (X2CrNiMo18-14-3) · 1.4539 (X1NiCrMoCu25-20-5 / 904L) · 1.4541 (X6CrNiTi18-10) · 1.4550 (X6CrNiNb18-10) · 1.4571 (X6CrNiMoTi17-12-2) · 1.4462 (X2CrNiMoN22-5-3) · 1.4410 (X2CrNiMoN25-7-4) · 1.4501 (X2CrNiMoCuWN25-7-4)

EN 10217-7 covers welded stainless steel tubes for pressure purposes. The standard includes a wide range of austenitic, duplex, super duplex and highly alloyed stainless steel grades for process piping, pressure equipment and corrosion-resistant industrial applications.

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321 / 321H — Titanium-Stabilized Stainless Steel Pipe

Standards: ASTM A312 TP321 / TP321H · EN 1.4541

321 is a titanium-stabilized austenitic stainless steel designed to provide improved resistance to intergranular corrosion following exposure to elevated temperatures.

321 and 321H pipes are commonly used in high-temperature process piping, heat exchangers, power generation and other thermal applications.

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347 / 347H — Niobium-Stabilized Stainless Steel Pipe

Standards: ASTM A312 TP347 / TP347H · EN 1.4550

347 is a niobium-stabilized austenitic stainless steel grade with good resistance to intergranular corrosion and elevated-temperature service.

347 and 347H pipes are commonly specified for refineries, petrochemical plants, high-temperature process piping, heat exchangers and power generation applications.

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904L — High Alloy Austenitic Stainless Steel Pipe

Standards: ASTM A312 TP904L / UNS N08904 · EN 1.4539 (X1NiCrMoCu25-20-5)

904L is a high-alloy austenitic stainless steel containing high levels of nickel and molybdenum together with copper. It provides significantly improved corrosion resistance compared with conventional 304L and 316L stainless steels, particularly in aggressive acidic and chloride-containing environments.

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904L / UNS N08904 / 1.4539 pipes are commonly used in chemical processing, sulfuric acid service, fertilizer plants, phosphoric acid applications, seawater systems, pollution control equipment and other highly corrosive industrial environments.

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DUPLEX 2205 — UNS S31803 / S32205

Standards: ASTM A790 · EN 1.4462 (X2CrNiMoN22-5-3)

Duplex 2205 combines the characteristics of austenitic and ferritic stainless steels, providing high mechanical strength together with excellent resistance to stress corrosion cracking and good resistance to pitting and crevice corrosion.

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UNS S31803 / S32205 pipes are widely used in oil & gas, chemical and petrochemical processing, offshore installations, marine applications, pressure equipment and industrial piping systems.

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SUPER DUPLEX 2507 — UNS S32750

Standards: ASTM A790 · EN 1.4410 (X2CrNiMoN25-7-4)

Super Duplex 2507 offers high mechanical strength and excellent resistance to pitting, crevice corrosion and chloride stress corrosion cracking.

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UNS S32750 pipes are commonly specified for seawater systems, offshore platforms, desalination plants, chemical processing, oil & gas facilities and other highly corrosive environments.

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SUPER DUPLEX — UNS S32760

Standards: ASTM A790 · EN 1.4501 (X2CrNiMoCuWN25-7-4)

UNS S32760 is a highly alloyed super duplex stainless steel with excellent resistance to localized corrosion and aggressive chloride-containing environments.

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It is commonly used in offshore and subsea applications, seawater systems, desalination facilities, chemical processing equipment and demanding oil & gas projects.

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AVAILABLE PIPE EXECUTIONS

Seamless (SMLS) · Welded (WLD) · Project-Specific Welded Execution

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Stainless steel, duplex and super duplex pipes can be supplied in a wide range of outside diameters, wall thicknesses and schedules, including SCH5S, SCH10S, SCH40S, SCH80S and heavier wall thicknesses, 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: Pickled & Passivated · Annealed · Polished · Project-Specific Finish

Length: SRL · DRL · Fixed Length · Random Length

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MATERIAL CERTIFICATION & TESTING

Stainless steel, duplex and super duplex 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, grade and project specification, inspection and testing may include hydrostatic testing, eddy current testing (ECT), ultrasonic testing (UT), radiographic testing (RT), positive material identification (PMI), intergranular corrosion testing, corrosion testing, ferrite measurement, dimensional inspection and additional NDT or third-party inspection requirements.

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APPLICATIONS

Stainless steel, duplex and super duplex pipes supplied by DETRA are used across a wide range of corrosive and demanding industrial applications, including:

Chemical · Petrochemical · Oil & Gas · Refineries · Power Generation · Marine & Offshore · Seawater Systems · Desalination · Food & Beverage · Pharmaceutical · Water Treatment · Heat Exchangers · Pressure Equipment · Process Piping · Industrial Plants

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REQUEST A QUOTATION

Looking for a specific stainless steel, 904L, duplex or super duplex pipe grade or project requirement?

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