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ASTM A105 Forged Fittings

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ASTM A105 Forged Fittings Specification

Connection Type
Socket Weld / Threaded

Tensile Strength
485 MPa (Minimum)

Yield Strength
250 MPa (Minimum)

Temperature Range
-29C to 450C

Tolerance
ASME B16.11 standard tolerances applied

Thread Type
NPT / BSPT

Bend Radius
As per fitting type

Sealing Type
Metal to Metal / Threaded sealing

Flexibility
Rigid

Coating Type
Hot Dip Galvanized / Black

Diameter
1/8 (3mm) to 4 (100mm)

Product Type
Forged Pipe Fitting

Material
Carbon Steel

Connection
Socket Weld, Screwed (NPT/BSPT)

Shape
Elbow, Tee, Coupling, Union, Cross, Cap, Plug

Standard
ASTM A105 / ASME B16.11

Surface Treatment
Black/Hot Dip Galvanized/Rust-proof Oil

Outer Diameter
1/8 to 4 (Nominal Pipe Size)

Section Shape
Round

Length
As per standard / custom cut

Thickness
Sch 40, Sch 80, Sch 160, XXS

Color
Silver/Grey/Black

Usage
Pipeline, Oil & Gas, Chemical, Petrochemical, Power Plants

Rated Pressure
Class 2000, 3000, 6000

Material Grade
ASTM A105

Application
High-pressure piping systems

Finish Type
Smooth, burr-free

Packing
Wooden box / Carton

Hardness
187 HB maximum

Corrosion Resistance
Moderatecoated for enhanced protection

Impact Value
27J at -20C min

Manufacturing Process
Forged, Heat Treated, Machined

Marking
ASTM A105, size, pressure class

Hydrostatic Test
100% tested as per ASTM A105

End Type
Forged ends / Butt Weld available on request

About ASTM A105 Forged Fittings

What Are Specification ASTM A105 Forged Fittings?

Grade Specification	ASTM A105 & ASME SA105, A105N
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	ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799

Equivalent material Of ASTM A105 Forged Fittings?

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 A105 Forged Fittings?

Grade	Si	C	Mn	V	S	P	Mo	Cr	Ni	Cu
ASTM A105 Forged Fittings	0.100.35	0.35	0.601.05	0.08	0.040	0.035	0.12	0.30	0.40	0.40

Mechanical Properties Of ASTM A105 Forged Fittings?

Grade	Tensile Strength, Min (MPa)	Yield Strength, Min (MPa)	Elongation, min, %
A105 Pipe Fitting	485	250	30

Precision Forged Construction

Every ASTM A105 forged fitting undergoes meticulous forging, followed by heat treatment and machining, resulting in high structural integrity and consistency. This manufacturing process ensures that each fitting reliably withstands high pressures while maintaining dimensional precision and mechanical strength for critical industrial applications.

Versatile End and Connection Types

Our forged fittings are supplied with socket weld or threaded (NPT/BSPT) end connections for compatibility with diverse piping arrangements. Butt weld ends can be provided on request, offering additional flexibility. This adaptability ensures seamless integration into new installations or retrofits across various systems.

Superior Performance for Demanding Applications

Engineered for use in rigorous environments, these fittings are rated for 2,000, 3,000, and 6,000 pressure classes and temperatures ranging from -29C to 450C. Each component is coated for corrosion protection, finished smooth, and tested for strength, providing durable and dependable connections in high-pressure pipelines.

FAQs of ASTM A105 Forged Fittings:

Q: How are ASTM A105 forged fittings manufactured?

A: These fittings are produced using a controlled forging process, followed by heat treatment and machining. This sequence improves grain structure, enhances mechanical properties, and ensures precise tolerances as per ASME B16.11 standards.

Q: What end types and connection options are available for these fittings?

A: ASTM A105 forged fittings come standard with socket weld and threaded (NPT/BSPT) ends. Butt weld ends are also supplied upon request to suit different installation requirements.

Q: When should I choose ASTM A105 forged fittings for my project?

A: Select these fittings for high-pressure piping systems where strength, leak-proof joints, and moderate corrosion resistance are requiredsuch as in oil & gas, power, petrochemical, and chemical plants.

Q: Where can these forged fittings be used?

A: They are built for a variety of applications, including pipelines, refineries, chemical plants, and power generation facilities, particularly in sections dealing with high pressures or temperature fluctuations.

Q: What are the main benefits of using these fittings?

A: They deliver robust mechanical performance, a wide range of pressure ratings, excellent dimensional accuracy, and moderate corrosion resistance. Coated surfaces and precise finishing reduce maintenance while ensuring reliable service.

Q: How do the coatings enhance corrosion resistance?

A: Surfaces are treated with hot-dip galvanizing, black oxide, or rust-proof oil, creating a protective barrier that helps resist oxidation and environmental degradation even in harsh operational settings.

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