ASTM A234 Gr WP22 Alloy Steel Pipe Fittings

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ASTM A234 Gr WP22 Alloy Steel Pipe Fittings

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ASTM A234 Gr WP22 Alloy Steel Pipe Fittings Specification

Diameter
1/2 to 48

Tensile Strength
415 MPa min

Temperature Range
-29C to 593C

Sealing Type
Butt Welded Joint

Connection Type
Butt Weld

Yield Strength
205 MPa min

Thread Type
Not Applicable (butt weld)

Coating Type
Black Paint, Oil Coating, Epoxy, or as specified

Tolerance
1% or as per standard specification

Flexibility
Rigid

Bend Radius
As per ASME B16.9 or as specified

Product Type
Pipe Fittings

Material
Alloy Steel

Connection
Butt Weld

Shape
Elbow, Tee, Reducer, Cap, Bend, Stub End

Standard
ASTM A234

Surface Treatment
Black Painting, Shot Blasting, Anti-Rust Coating, or as required

Outer Diameter
1/2 inch to 48 inch (DN15 to DN1200)

Section Shape
Round

Length
As per fitting type or custom

Thickness
Sch20 to SchXXS or custom as required

Color
Black

Usage
Pipe Connection, Pressure Piping, Power Plant, Petrochemical

Rated Pressure
PN6 to PN160 / Class 150 to 2500

Material Grade
WP22

Application
Oil & Gas, Power Generation, Petrochemical, Offshore Industries

About ASTM A234 Gr WP22 Alloy Steel Pipe Fittings

What Are Specification ASTM A234 Gr WP22 Alloy Steel Pipe Fittings?

Specification :	ASTM A234 / ASME SA234
Dimensions :	ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
WALL THICKNESS :	5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS, Custom Thickness.
Size :	1/8 NB TO 48 NB.
Type :	Seamless / Welded / Fabricated

Chemical Composition Of ASTM A234 Gr WP22 Alloy Steel Pipe Fittings?

Grade	C	Mn	Si	S	P	Cr	Mo
A234 WP22	0.28 max	0.30- 0.90	0.10- 0.50	0.045 max	0.045 max	-	0.044-0.65 max

Mechanical Properties Of ASTM A234 Gr WP22 Alloy Steel Pipe Fittings?

Grade	Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation %
A234 WP22	220 min	415 min	20

Versatile Design and Elbow Options

ASTM A234 Gr WP22 pipe fittings are available in multiple shapesincluding elbows with 45, 90, and 180 bendsto suit various piping layouts. Sizes range from 1/2 to 48 (DN15 to DN1200), matching diverse process requirements. Fittings can be customized in thickness, bend radius, and surface finishing for precise project specifications.

Robust Manufacturing and Testing

These alloy steel fittings are either seamless or welded, using both hot and cold forming to achieve technical standards. Each piece undergoes exhaustive inspection, including 100% radiography, ultrasonic, and hydrostatic tests, to confirm integrity. Hardness, tensile, and yield strength conform to ASTM A234 WP22 standards, ensuring reliability under high pressure and temperature.

Adaptability and Export-Ready Packaging

All fittings can be specified with beveled or plain ends and are supplied with standard export packagingtypically in wooden cases. For enhanced versatility, surface treatments such as black painting, oil, or epoxy coatings are offered. Markings apply per ASTM A234 or client specifications, ensuring traceability and compliance in international shipments.

FAQs of ASTM A234 Gr WP22 Alloy Steel Pipe Fittings:

Q: How are ASTM A234 Gr WP22 alloy steel pipe fittings manufactured and tested?

A: These fittings are produced using seamless or welded methods, followed by hot or cold forming to meet specified dimensions and tolerances. Comprehensive inspectionsincluding 100% radiography, ultrasonic, and hydrostatic testingare conducted on each piece to ensure structural integrity and compliance with standards.

Q: What elbow degree options are available for these pipe fittings, and how do they benefit system design?

A: Elbow fittings are available in 45, 90, and 180 configurations. These options provide flexibility in piping system layouts, enabling efficient changes in flow direction and space optimization within industrial setups.

Q: Where are ASTM A234 Gr WP22 alloy steel fittings typically used?

A: These fittings are widely used in high-pressure and high-temperature environments such as oil & gas fields, power plants, petrochemical facilities, and offshore industries, where durability and safety are critical.

Q: What surface treatments and coatings are offered for these fittings?

A: Options include black painting, oil coating, epoxy, shot blasting, and anti-rust coatings. The choice enhances corrosion resistance and meets specific project or environmental requirements, contributing to extended service life.

Q: How are these pipe fittings packaged and marked for export?

A: Fittings are packed in standard export-quality packaging, often using wooden cases, to prevent damage during transportation. Markings are done as per ASTM A234 and individual client requirements for proper identification and traceability.

Q: What are the main advantages of using ASTM A234 Gr WP22 pipe fittings in power and petrochemical projects?

A: These fittings offer high tensile and yield strength, moderate corrosion resistance, and can withstand extreme temperatures and pressures. This makes them a reliable choice for safety and long-term operation in critical applications.

Q: When is impact testing performed on these fittings?

A: Impact testing is available upon request and is typically conducted when additional assurance is required regarding the fittings performance under sudden or low-temperature loading conditions.

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