DETRA supplies butt weld and forged pipe fittings according to major ASTM, ASME and EN standards for oil & gas, petrochemical, chemical, power generation, pressure equipment and industrial piping applications.

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Our supply range covers carbon steel, low-temperature carbon steel, alloy steel, stainless steel, duplex, super duplex and special alloy fittings in a wide range of sizes, wall thicknesses, pressure classes and material grades.

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BUTT WELD FITTINGS

Butt weld fittings can be supplied in seamless or welded execution according to the applicable material and dimensional standards.

Available Types:
90° Elbows · 45° Elbows · 180° Returns · Equal Tees · Reducing Tees · Concentric Reducers · Eccentric Reducers · Caps · Stub Ends · Crosses · Special Fittings

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Dimensional Standards:
ASME B16.9 · ASME B16.28 · EN 10253 Series · GOST 17375 · 17376 · 17378

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ASTM A234 — Carbon & Alloy Steel Butt Weld Fittings

Grades: WPB · WPC · WP1 · WP5 · WP9 · WP11 · WP12 · WP22 · WP91

ASTM A234 covers wrought carbon steel and alloy steel fittings for moderate and high-temperature service.

A234 WPB is one of the most widely used carbon steel fitting grades for refineries, petrochemical plants, oil & gas facilities, power plants and general industrial piping systems.

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Alloy grades such as WP11, WP22 and WP91 are commonly used in high-temperature and high-pressure piping systems, including steam lines, power generation and refinery applications.

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ASTM A420 — Low Temperature Carbon & Alloy Steel Butt Weld Fittings

Grades: WPL3 · WPL6

ASTM A420 fittings are intended for low-temperature service and applications requiring specified impact properties.

A420 WPL6 is widely used together with ASTM A333 Grade 6 piping in low-temperature oil & gas, petrochemical, LNG and industrial piping systems.

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ASTM A403 — Austenitic Stainless Steel Butt Weld Fittings

Grades: WP304 · WP304L · WP304H · WP316 · WP316L · WP316H · WP317L · WP321 · WP321H · WP347 · WP347H · WP904L

ASTM A403 covers wrought austenitic stainless steel fittings for pressure piping applications.

WP304/304L and WP316/316L are among the most widely used stainless steel fitting grades for chemical, petrochemical, food, pharmaceutical and general process piping systems.

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Higher-temperature grades such as WP321/321H and WP347/347H are used for applications requiring improved performance at elevated temperatures, while WP904L / UNS N08904 is suitable for highly corrosive chemical and acidic environments.

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ASTM A815 — Duplex & Super Duplex Butt Weld Fittings

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

ASTM A815 covers wrought ferritic, ferritic-austenitic and martensitic stainless steel fittings for pressure piping applications.

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UNS S31803 / S32205 (Duplex 2205) fittings provide high mechanical strength together with excellent resistance to stress corrosion cracking and are widely used in chemical processing, oil & gas, marine and offshore applications.

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UNS S32750 (Super Duplex 2507) and UNS S32760 fittings provide enhanced resistance to pitting, crevice corrosion and aggressive chloride-containing environments and are commonly used in seawater, offshore, desalination and demanding process applications.

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EN 10253-2 — Carbon & Alloy Steel Butt Weld Fittings

Grades: P235GH · P265GH · P355GH · 16Mo3 · 13CrMo4-5 · 10CrMo9-10 · X10CrMoVNb9-1 · X20CrMoV11-1 · 15NiMoNb5-6-4

EN 10253-2 covers butt welding pipe fittings made from non-alloy and ferritic alloy steels with specific inspection requirements.

Grades such as P235GH, P265GH and P355GH are widely used for pressure equipment and industrial piping systems.

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Alloy steel grades including 16Mo3, 13CrMo4-5 and 10CrMo9-10 are commonly specified for high-temperature pressure piping, boilers, steam systems and power generation applications.

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EN 10253-4 — Stainless Steel Butt Weld Fittings

Grades: 1.4301 · 1.4307 · 1.4401 · 1.4404 · 1.4435 · 1.4539 · 1.4541 · 1.4550 · 1.4571 · 1.4462 · 1.4410 · 1.4501

EN 10253-4 covers butt welding fittings made from wrought austenitic and austenitic-ferritic stainless steels with specific inspection requirements.

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The range includes conventional stainless steel grades such as 1.4307 (304L) and 1.4404 (316L), high-alloy 1.4539 (904L), duplex 1.4462, and super duplex grades 1.4410 and 1.4501.

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HOT INDUCTION BENDS

DETRA supplies hot induction bends for pipelines and industrial piping systems according to project-specific dimensions, materials and technical requirements.

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Available Materials: Carbon Steel · Alloy Steel · Stainless Steel · Duplex · Super Duplex

Typical Bend Angles: Up to 180° and project-specific angles

Typical Bend Radius: 3D · 5D · 7D · 10D and project-specific radius

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Hot induction bends can be supplied with project-specific heat treatment, dimensional inspection, NDT and mechanical testing requirements.

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FORGED FITTINGS

DETRA supplies forged fittings for socket weld, threaded and branch connection applications in carbon steel, low-temperature carbon steel, alloy steel, stainless steel, duplex and super duplex materials.

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Available Types:
Socket Weld Elbows · Threaded Elbows · Tees · Couplings · Half Couplings · Unions · Caps · Plugs · Bushings

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Pressure Classes:
Class 2000 · Class 3000 · Class 6000 · Class 9000, subject to fitting type and applicable dimensional standard.

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Dimensional Standards:
ASME B16.11 · MSS SP-79 · MSS SP-83 and applicable project specifications

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ASTM A105 — Carbon Steel Forged Fittings

Grade: A105 / A105N

ASTM A105 forged carbon steel fittings are widely used for ambient and higher-temperature pressure piping applications.

A105 socket weld and threaded fittings are commonly used in oil & gas, petrochemical, refinery, power generation and general industrial piping systems.

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ASTM A350 — Low Temperature Forged Fittings

Grades: LF1 · LF2 · LF3

ASTM A350 covers carbon and low-alloy steel forgings requiring notch toughness testing for low-temperature service.

A350 LF2 is one of the most widely used low-temperature forged fitting grades and is commonly specified together with low-temperature carbon steel piping systems.

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ASTM A182 — Alloy & Stainless Steel Forged Fittings

Grades: F1 · F5 · F9 · F11 · F12 · F22 · F91 · F304 · F304L · F316 · F316L · F321 · F347 · F904L · F51 · F53 · F55 and other applicable grades

ASTM A182 covers forged or rolled alloy and stainless steel components for high-temperature and corrosive service.

Alloy steel grades such as F11, F22 and F91 are widely used in high-temperature and high-pressure applications.

Stainless steel grades including F304/304L and F316/316L are commonly used for corrosion-resistant industrial piping systems.

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F51 (Duplex / UNS S31803-S32205), F53 (Super Duplex / UNS S32750) and F55 (Super Duplex / UNS S32760) are used in demanding corrosive environments, including offshore, seawater, chemical processing and oil & gas applications.

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BRANCH OUTLET FITTINGS

DETRA supplies forged branch outlet fittings for connecting branch lines to main piping systems.

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Available Types:
Weldolet · Sockolet · Threadolet · Latrolet · Elbolet · Nipolet

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Branch outlet fittings can be supplied in carbon steel, low-temperature carbon steel, alloy steel, stainless steel, duplex and super duplex materials according to project requirements.

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Typical Material Grades:
ASTM A105 · ASTM A350 LF2 · ASTM A182 F11 · F22 · F91 · F304/L · F316/L · F51 · F53 · F55

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Applicable Standard:
MSS SP-97 and project-specific requirements

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AVAILABLE SIZES & WALL THICKNESSES

Butt weld fittings can be supplied in a wide range of nominal pipe sizes and wall thicknesses, including:

SCH10 · SCH20 · SCH30 · SCH40 · STD · SCH60 · SCH80 · XS · SCH100 · SCH120 · SCH140 · SCH160 · XXS and project-specific wall thicknesses.

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Forged fittings are available in socket weld and threaded configurations in applicable pressure classes and sizes according to ASME B16.11 and relevant dimensional standards.

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MATERIAL CERTIFICATION & TESTING

Pipe fittings can be supplied with EN 10204 3.1 or 3.2 inspection certificates and project-specific testing and inspection requirements.

Depending on the material grade, applicable standard and project specification, inspection and testing may include dimensional inspection, visual inspection, ultrasonic testing (UT), radiographic testing (RT), magnetic particle testing (MT), liquid penetrant testing (PT), positive material identification (PMI), impact testing, hardness testing, corrosion testing and additional NDT or third-party inspection requirements.

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APPLICATIONS

Pipe fittings supplied by DETRA are used across a wide range of industrial applications, including:

Oil & Gas · Petrochemical · Chemical · Refineries · Power Generation · Thermal Power Plants · LNG · Marine & Offshore · Seawater Systems · Desalination · Mining · Pressure Equipment · Steam Systems · Process Piping · Industrial Plants

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REQUEST A QUOTATION

Looking for a specific pipe fitting type, material grade or project requirement?

Send us your material list, datasheet, piping class or project specification. DETRA can support requirements ranging from individual butt weld and forged fittings to complete piping material packages.