Name: A105 Threaded (NPT/BSPT) Coupling ASME B16.11, Carbon Steel Forged fitting for Oil & gas pipelines
Brand: Yuhong Group Co.,Ltd
SKU: A105 Threaded Coupling
Price: 100000.00 USD
Availability: InStock

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A105 Threaded (NPT/BSPT) Coupling ASME B16.11, Carbon Steel Forged fitting for Oil & gas pipelines

Product Details:

Place of Origin:	China
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, CCS, ISO 9001
Model Number:	A105 Threaded Coupling

Payment & Shipping Terms:

Minimum Order Quantity:	1 PC
Price:	Negotiable
Packaging Details:	Ply-wooden Case /Iron Case/ Bundle with plastic Cap/Woven Case
Delivery Time:	Depends on quantity
Payment Terms:	T/T, L/C
Supply Ability:	1000 tons per month

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Detailed Product Description

Production Standard:	ASTM A105	Material Grade:	A105
Product Name:	Coupling	End Connection:	Threaded (NPT/BSPT) Or Socket Weld
Pressure Rating:	2000#-9000#	Size Standard:	ASME B16.11, ASME B1.20.1
Size Range:	Typically 1/8" To 4" (NPS)	Application:	Oil & Gas Pipelines, High-pressure Steam Systems, Chemical Processing Plants
Highlight:	ASTM A105 Carbon Steel Coupling , Carbon Steel Socket Welding Fitting , ASTM A105 Carbon Steel Coupling

A105 Threaded (NPT/BSPT) Coupling ASME B16.11, Carbon Steel Forged fitting for Oil & gas pipelines

What Is ASTM A105 Carbon Steel Coupling?

A105 Threaded Coupling is a forged carbon steel pipe fitting used to join two threaded pipes in a straight line. Made from ASTM A105 material, it features internal NPT threads on both ends and is rated for high-pressure service (2000#–9000# per ASME B16.11). Common in oil & gas, petrochemical, and power industries, it provides a reliable, leak-tight connection without welding.

A105 vs. A105N

	A105	A105N
Heat Treatment	As-forged	Normalized
Grain Structure	Coarser	Finer, more uniform
Impact Resistance	Lower	Better
Preferred For	General use	Critical applications

Types of Couplings

Type	Description
Full Coupling	Threaded both ends
Half Coupling	Threaded one end, other end for welding
Reducing Coupling	Connects different pipe sizes

Pressure Ratings (ASME B16.11)

Class	Maximum Pressure
2000#	2,000 psi
3000#	3,000 psi
6000#	6,000 psi
9000#	9,000 psi

Chemical Composition of A105 Carbon Steel Coupling

C	Mn	P	S	Si
0.15	0.6-1.0	0.035	0.04	0.1

Mechanical Properties of ASTM A105 Carbon Steel Coupling

Property	Value
Grade	ASTM A105 / A105N (normalized)
Type	Forged carbon steel
Carbon Content	≤ 0.35%
Tensile Strength	≥ 70,000 psi
Yield Strength	≥ 36,000 psi
Temperature Range	-20°F to 1000°F

Tolerance Chart Of ASTM A105 Carbon Steel Coupling

Dimensions	Up to 2" NB		2 1/2" & 3" NB
• Socket Bore	+ 0.25		+ 0.38
	- 0.00		- 0.00
• Body Bore	+ 0.00		+ 0.00
	- 1.52		- 3.00
A	1/4" NB	± 0.8	± 2.50
	3/8" TO 3/4" NB	± 1.6
	1"T0 2"NB	± 2.0