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ASTM A420 Grade WPL6 Pipe Fitting

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ASTM A420 Grade WPL6 Pipe Fitting Specification

Thread Type
Not applicable (mainly welded fittings)

Yield Strength
240 MPa (Minimum)

Tensile Strength
415 MPa (Minimum)

Coating Type
Black Paint, Anti-Corrosion Coating

Diameter
DN15 to DN1200

Bend Radius
1.5D, 2D, 3D, Custom as per application

Tolerance
According to ASTM A420 standard

Connection Type
Welded

Flexibility
Rigid

Temperature Range
-46C to 427C

Sealing Type
Metal to Metal

Product Type
Pipe Fitting

Material
Carbon Steel

Connection
Butt Weld, Socket Weld

Shape
Elbow, Tee, Reducer, Cap, Cross (various fitting types available)

Standard
ASTM A420 Grade WPL6

Surface Treatment
Black Painting, Anti-rust Oil, Galvanized

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

Section Shape
Round

Length
As per fitting type and standard, typically up to 609.6 mm for elbows/caps

Thickness
Sch10, Sch20, Sch40, Sch80, Sch160, STD, XS, XXS, Custom as per order

Color
Black

Usage
Low-temperature service, pressure piping

Rated Pressure
Class 150 to Class 2500

Application
Oil & Gas, Petrochemical, Power Plant, Water Treatment, Chemical Industries

Material Grade
WPL6

About ASTM A420 Grade WPL6 Pipe Fitting

What Are Specification ASTM A420 Grade WPL6 Pipe Fitting?

Grade Specification	Carbon Steel: Low temperature Steel: A420 WPL3 / A420 WPL6
Type	Seamless / Welded / Fabricated
Bending Radius	R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Range	NB to 48"NB in Sch 10s, 40s, 80s, 160s, XXS.
Dimensions	ANSI/ASME B16.9, B16.28, MSS-SP-43.

Equivalent material Of ASTM A420 Grade WPL6 Pipe Fitting?

Material	Pipes	Fttg	Flg	Valves	Bolts and Nuts
Carbon Steel Alloy Low-Temp	A333 Gr 6	A420 Gr WPL6	A350 Gr LF2	A352 Gr LCB	A320 Gr L7 A194 Gr 7
Carbon Steel Alloy Low-Temp	A333 Gr 3	A420 Gr WPL3	A350 Gr LF3	A352 Gr LC3	A320 Gr L7 A194 Gr 7

Chemical Composition Of ASTM A420 Grade WPL6 Pipe Fitting?

	C	Mn	P	S	Si	Ni	Cr	Mo	Cu	Cb	V
WPL6	0.30	0.050-1.35	0.035	0.04	0.15-0.40	0.40	0.30	0.12	0.40	0.02	0.08

Mechanical Properties Of ASTM A420 Grade WPL6 Pipe Fitting?

Tensile Strength (KSI)	Yield Strength (KSI)
60-95	35

Rigorous Manufacturing and Testing

Each ASTM A420 Grade WPL6 fitting is produced using advanced cold drawn or hot forming methods, ensuring consistency in quality and mechanical properties. All fittings are inspected by 100% radiographic or ultrasonic testing to meet stringent safety standards. The fittings exhibit excellent impact resistance, crucial for low-temperature applications in challenging environments.

Versatile Application Range

These pipe fittings are suitable for use across industries such as oil & gas, petrochemical, water treatment, and power plants. With a wide selection of shapes and sizes, including elbows, reducers, tees, caps, and crosses, they can be tailored to meet the requirements of diverse piping systems. Their compatibility with various pipe schedules and pressure classes enhances their versatility.

Reliable Protection and Customization

To prevent corrosion during shipping and storage, fittings are coated with black paint, anti-rust oil, or galvanized finishes and packed in wooden cases, pallets, or bundles. Customers can also request custom bend radii, thicknesses, and surface treatments, ensuring the product precisely fits the intended application.

FAQs of ASTM A420 Grade WPL6 Pipe Fitting:

Q: How are ASTM A420 Grade WPL6 pipe fittings manufactured?

A: These fittings are produced using cold drawn or hot formed methods, adhering to ASME B16.9 and B16.28 standards. The process ensures high dimensional accuracy, while 100% radiographic or ultrasonic inspections guarantee integrity and performance.

Q: What applications are ideal for ASTM A420 WPL6 pipe fittings?

A: They are well-suited for low-temperature service and pressure piping in oil & gas, petrochemical, power plant, water treatment, and chemical industry systems, owing to their robust material properties and impact resistance.

Q: Where are these fittings commonly installed?

A: ASTM A420 WPL6 fittings are widely used in piping systems requiring strength and durability under low-temperature conditions, such as refineries, power stations, and water treatment facilities.

Q: What is the benefit of the Charpy V-Notch impact test requirement?

A: The mandatory impact test ensures each fitting can withstand minimum impact energy of 27J at -46C, demonstrating reliability and toughness in extremely cold environments, reducing the risk of brittle failure.

Q: How do these fittings ensure leak-proof connections?

A: Most fittings are designed with a butt weld end type, forming a strong metal-to-metal seal when welded. This provides robust, leak-proof connections for safe and reliable operation in critical pipelines.

Q: What packing and protection options are provided for the fittings during shipment?

A: ASTM A420 WPL6 fittings are carefully packed in wooden cases, pallets, or bundles, with end caps to avoid damage. Coatings such as black paint or anti-corrosion treatments further enhance product lifespan during transit and storage.

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