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A105 Socket Weld Pipe Cap

An A105 socket weld pipe cap is a high-strength forged fitting made from ASTM A105 carbon steel, designed to close the end of a socket weld pipe system. It fits over the pipe’s end and is welded in place to ensure a secure, leak-proof seal. Commonly used in high-pressure applications, this cap is durable, corrosion-resistant (when properly coated), and ideal for use in oil, gas, and industrial piping systems.

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Mechanical Properties
Dimensional Specifications

Dimensional Specifications

Dimensional SpecificationsA105 Socket Weld Pipe Cap

	Sizes	1/8	1/4	3/8	1/2	3/4	1	1 1/4	1 1/2	2	2 1/2	3	4
3000	F	0.6875	0.7500	0.7500	0.8750	1.0000	1.0625	1.1875	1.2500	1.5000	1.5625	1.8125	2.0625
	D	0.375	0.375	0.375	0.375	0.500	0.500	0.500	0.500	0.625	0.625	0.625	0.750
	C	0.420	0.555	0.690	0.855	1.065	1.330	1.675	1.915	2.406	2.906	3.535	4.545
	B	0.750	0.875	1.063	1.250	1.500	1.813	2.250	2.500	3.000	3.625	4.313	5.500
6000	F		0.9375	0.9376	1.0000	1.0625	1.2500	1.3125	1.3750	1.6250	1.6875	1.9375	2.3125
	D		0.375	0.375	0.375	0.500	0.500	0.500	0.500	0.625	0.625	0.625	0.750
	C		0.555	0.690	0.855	1.065	1.330	1.675	1.915	2.406	2.906	3.535	4.545
	B		1.0625	1.3125	1.5000	1.7500	2.2500	2.5000	3.0000	3.6250	4.2500	5.0000	6.2500

A105 Socket Weld Pipe Cap

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PCA6MSWC2 A105 Socket Weld Pipe Cap Pipe Diameter 2 Quantity Discounts Items

2'' Schedule 6M A105 Socket Weld Pipe Cap

Pipe Diameter	2

Origin: Approved
Item# PCA6MSWC2-X

Origin: Non China/Non India
Item# PCA6MSWC2-R

Origin: Unrestricted Origin
Item# PCA6MSWC2-I

Quantity	Price
Quantity	Price
1	$38.8

$38.8

Qty

Out Of Stock

Product Detail

Origin: Domestic
Item# PCA6MSWC2-U

Quantity	Price
Quantity	Price
1	$47.15385

$47.15385

Qty

10 EA In Stock

Product Detail

PCA3MSWC.50 A105 Socket Weld Pipe Cap Pipe Diameter 1/2 Quantity Discounts Items

1/2'' Schedule 3M A105 Socket Weld Pipe Cap

Pipe Diameter	1/2

Origin: Domestic
Item# PCA3MSWC.50-U

Quantity	Price
Quantity	Price
1	$2.85248

$2.85248

Qty

76 EA In Stock

Product Detail

PCA6MSWC.50 A105 Socket Weld Pipe Cap Pipe Diameter 1/2 Quantity Discounts Items

1/2'' Schedule 6M A105 Socket Weld Pipe Cap

Pipe Diameter	1/2

Origin: Domestic
Item# PCA6MSWC.50-U

Quantity	Price
Quantity	Price
1	$5.89904

$5.89904

Qty

8 EA In Stock

Product Detail

PCA6MSWC1 A105 Socket Weld Pipe Cap Pipe Diameter 1 Quantity Discounts Items

1'' Schedule 6M A105 Socket Weld Pipe Cap

Pipe Diameter	1

Origin: Non China/Non India
Item# PCA6MSWC1-R

Origin: Approved
Item# PCA6MSWC1-X

Quantity	Price
Quantity	Price
1	$35.355

$35.355

Qty

Out Of Stock

Product Detail

Origin: Domestic
Item# PCA6MSWC1-U

Quantity	Price
Quantity	Price
1	$9.11538

$9.11538

Qty

8 EA In Stock

Product Detail

Origin: Unrestricted Origin
Item# PCA6MSWC1-I

Quantity	Price
Quantity	Price
1	$9.85

$9.85

Qty

Out Of Stock

Product Detail

PCA3MSWC.75 A105 Socket Weld Pipe Cap Pipe Diameter 3/4 Quantity Discounts Items

3/4'' Schedule 3M A105 Socket Weld Pipe Cap

Pipe Diameter	3/4

Origin: Domestic
Item# PCA3MSWC.75-U

Quantity	Price
Quantity	Price
1	$3.32356

$3.32356

Qty

40 EA In Stock

Product Detail

Origin: Unrestricted Origin
Item# PCA3MSWC.75-I

Quantity	Price
Quantity	Price
1	$4.18333

$4.18333

Qty

Out Of Stock

Product Detail

Origin: Non China/Non India
Item# PCA3MSWC.75-R

Quantity	Price
Quantity	Price
1	$4.53073

$4.53073

Qty

Out Of Stock

Product Detail

Origin: Approved
Item# PCA3MSWC.75-X

PCA3MSWC1.5 A105 Socket Weld Pipe Cap Pipe Diameter 1 1/2 Quantity Discounts Items

1 1/2'' Schedule 3M A105 Socket Weld Pipe Cap

Pipe Diameter	1 1/2

Origin: Non China/Non India
Item# PCA3MSWC1.5-R

Quantity	Price
Quantity	Price
1	$8.43333

$8.43333

Qty

1 EA In Stock

Product Detail

Origin: Unrestricted Origin
Item# PCA3MSWC1.5-I

Quantity	Price
Quantity	Price
1	$7.18333

$7.18333

Qty

Out Of Stock

Product Detail

Origin: Approved
Item# PCA3MSWC1.5-X

Origin: Domestic
Item# PCA3MSWC1.5-U

Quantity	Price
Quantity	Price
1	$9.14158

$9.14158

Qty

43 EA In Stock

Product Detail

PCA6MSWC1.5 A105 Socket Weld Pipe Cap Pipe Diameter 1 1/2 Quantity Discounts Items

1 1/2'' Schedule 6M A105 Socket Weld Pipe Cap

Pipe Diameter	1 1/2

Origin: Non China/Non India
Item# PCA6MSWC1.5-R

Origin: Domestic
Item# PCA6MSWC1.5-U

Origin: Approved
Item# PCA6MSWC1.5-X

Origin: Unrestricted Origin
Item# PCA6MSWC1.5-I

Quantity	Price
Quantity	Price
1	$26.79167

$26.79167

Qty

Out Of Stock

Product Detail

PCA3MSWC1 A105 Socket Weld Pipe Cap Pipe Diameter 1 Quantity Discounts Items

1'' Schedule 3M A105 Socket Weld Pipe Cap

Pipe Diameter	1

Origin: Domestic
Item# PCA3MSWC1-U

Quantity	Price
Quantity	Price
1	$5.6005

$5.6005

Qty

62 EA In Stock

Product Detail

Origin: Non China/Non India
Item# PCA3MSWC1-R

Quantity	Price
Quantity	Price
1	$3.78333

$3.78333

Qty

Out Of Stock

Product Detail

Origin: Unrestricted Origin
Item# PCA3MSWC1-I

Quantity	Price
Quantity	Price
1	$6.07083

$6.07083

Qty

4 EA In Stock

Product Detail

Origin: Approved
Item# PCA3MSWC1-X

Quantity	Price
Quantity	Price
1	$4.31667

$4.31667

Qty

Out Of Stock

Product Detail

PCA3MSWC2 A105 Socket Weld Pipe Cap Pipe Diameter 2 Quantity Discounts Items

2'' Schedule 3M A105 Socket Weld Pipe Cap

Pipe Diameter	2

Origin: Approved
Item# PCA3MSWC2-X

Quantity	Price
Quantity	Price
1	$24.96667

$24.96667

Qty

Out Of Stock

Product Detail

Origin: Unrestricted Origin
Item# PCA3MSWC2-I

Quantity	Price
Quantity	Price
1	$17.09167

$17.09167

Qty

Out Of Stock

Product Detail

Origin: Domestic
Item# PCA3MSWC2-U

Quantity	Price
Quantity	Price
1	$14.63077

$14.63077

Qty

50 EA In Stock

Product Detail

Origin: Non China/Non India
Item# PCA3MSWC2-R

Quantity	Price
Quantity	Price
1	$10.01667

$10.01667

Qty

Out Of Stock

Product Detail

PCA6MSWC.75 A105 Socket Weld Pipe Cap Pipe Diameter 3/4 Quantity Discounts Items

3/4'' Schedule 6M A105 Socket Weld Pipe Cap

Pipe Diameter	3/4

Origin: Domestic
Item# PCA6MSWC.75-U

Quantity	Price
Quantity	Price
1	$8.58494

$8.58494

Qty

48 EA In Stock

Product Detail

ASTM A105	Covers forged carbon steel piping components for ambient- and higher-temperature service in pressure systems. Included are flanges, fittings, Valves, and similar parts ordered either to dimensions specified by the purchaser or to dimensional standards.
ASME B16.11	Covers ratings, dimensions, tolerances, marking and material requirements for socket-welding and threaded forged fittings. These fittings are designated as Class 2000, 3000, and 6000 for threaded end fittings and Class 3000, 6000, and 9000 for socket-weld end fittings.

Element	Carbon	Manganese	Phosphorus	Sulfur	Silicon	Copper	Nickel	Chromium	Molybdenum	Vanadium

Composition, %	0.35 max	0.60-1.05	0.035 max	0.040 max	0.10-0.35	0.40 max (1)	0.40 max (1)	0.30 max (1-2)	0.12 max (1-2)	0.08 max

Grade A105	Tensile Strength	Yield Strength	Elongation in 4D	Reduction in Area	Hardness
Grade A105	Min ksi [MPa]	Min ksi [Mpa]	Min %	Min %	Max
	70 [485]	36 [250]	22	30	197