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A105 FORGED SOCKET WELD HEX UNION

The A105 Forged Socket Weld Hex Union is a fitting designed to provide secure connections in piping systems. Constructed from A105 carbon steel, this hex union is built to be corrosion resistant. The hexagonal shape of the union facilitates easy handling and tightening. Dimensional specifications are governed by ASME B16.11.

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Governing Standards
Chemical Properties
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Dimensional Specifications

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.

Dimensional Specifications

Dimensional SpecificationsA105 Socket Weld Hex Union

	Sizes	1/8	1/4	3/8	1/2	3/4	1	1 1/4	1 1/2	2	2 1/2	3
3000	A	1.703125	1.718750	1.875000	2.000000	2.281250	2.500000	2.875000	3.031250	3.500000	4.046875	4.296875
	B	1.37500	1.37500	1.56250	1.81250	2.17188	2.56250	3.12500	3.50000	4.25000	4.87500	5.75000
	C	0.875000	0.875000	1.031250	1.234375	1.484375	1.812500	2.234375	2.484375	3.031250	3.656250	4.406250
	D	0.953125	0.968750	1.125000	1.250000	1.281250	1.500000	1.875000	2.031250	2.250000	2.796875	3.046875
	E	0.3750	0.3750	0.3750	0.3750	0.5000	0.5000	0.5000	0.5000	0.6250	0.6250	0.6250
	F	0.420	0.555	0.690	0.855	1.065	1.330	1.675	1.915	2.406	2.906	3.535
6000	A		1.875000	1.984375	2.296875	2.500000	2.875000	3.015625	3.531250	4.265625
	B		1.57813	1.81250	2.20313	2.57813	3.10938	3.42188	4.09375	4.87500
	C		1.031250	1.234375	1.468750	1.796875	2.171875	2.468750	3.031250	3.656250
	D		1.125000	1.234375	1.546875	1.500000	1.875000	2.015625	2.531250	3.015625
	E		0.3750	0.3750	0.3750	0.5000	0.5000	0.5000	0.5000	0.6250
	F		0.555	0.690	0.855	1.065	1.330	1.675	1.915	2.406

A105 FORGED SOCKET WELD HEX UNION

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Item # Pipe Diameter Pressure Class

PUN3MSWC.25 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 1/4 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 3M Quantity Discounts Items

1/4'' 3M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	1/4
Pressure Class	3M

Origin: Urestricted Origin
Item# PUN3MSWC.25-I

Quantity	Price
Quantity	Price
1	$22.99167

$22.99167

Qty

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PUN6MSWC.50 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 1/2 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 6M Quantity Discounts Items

1/2'' 6M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	1/2
Pressure Class	6M

Origin: North America
Item# PUN6MSWC.50-U

Quantity	Price
Quantity	Price
1	$20.71906

$20.71906

Qty

Product Detail

PUN3MSWC.50 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 1/2 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 3M Quantity Discounts Items

1/2'' 3M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	1/2
Pressure Class	3M

Origin: Urestricted Origin
Item# PUN3MSWC.50-I

Quantity	Price
Quantity	Price
1	$8.79167

$8.79167

Qty

Product Detail

Origin: Non China/Non India
Item# PUN3MSWC.50-R

Quantity	Price
Quantity	Price
1	$7.98703

$7.98703

Qty

Product Detail

Origin: Approved
Item# PUN3MSWC.50-X

Quantity	Price
Quantity	Price
1	$9.52

$9.52

Qty

Product Detail

Origin: North America
Item# PUN3MSWC.50-U

Quantity	Price
Quantity	Price
1	$10.53737

$10.53737

Qty

Product Detail

PUN3MSWC.75 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 3/4 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 3M Quantity Discounts Items

3/4'' 3M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	3/4
Pressure Class	3M

Origin: North America
Item# PUN3MSWC.75-U

Quantity	Price
Quantity	Price
1	$12.47702

$12.47702

Qty

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Origin: Non China/Non India
Item# PUN3MSWC.75-R

Quantity	Price
Quantity	Price
1	$7.71667

$7.71667

Qty

Product Detail

Origin: Urestricted Origin
Item# PUN3MSWC.75-I

Quantity	Price
Quantity	Price
1	$155.1

$155.1

Qty

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Origin: Approved
Item# PUN3MSWC.75-X

Quantity	Price
Quantity	Price
1	$11.3

$11.3

Qty

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PUN6MSWC.75 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 3/4 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 6M Quantity Discounts Items

3/4'' 6M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	3/4
Pressure Class	6M

Origin: Urestricted Origin
Item# PUN6MSWC.75-I

Quantity	Price
Quantity	Price
1	$48.5125

$48.5125

Qty

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Origin: Non China/Non India
Item# PUN6MSWC.75-R

Quantity	Price
Quantity	Price
1	$25.91667

$25.91667

Qty

Product Detail

Origin: North America
Item# PUN6MSWC.75-U

Quantity	Price
Quantity	Price
1	$24.08462

$24.08462

Qty

Product Detail

Origin: Approved
Item# PUN6MSWC.75-X

Quantity	Price
Quantity	Price
1	$0

Qty

Product Detail

PUN3MSWC1 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 1 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 3M Quantity Discounts Items

1'' 3M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	1
Pressure Class	3M

Origin: Approved
Item# PUN3MSWC1-X

Quantity	Price
Quantity	Price
1	$13.43333

$13.43333

Qty

Product Detail

Origin: North America
Item# PUN3MSWC1-U

Quantity	Price
Quantity	Price
1	$15.63679

$15.63679

Qty

Product Detail

Origin: Urestricted Origin
Item# PUN3MSWC1-I

Quantity	Price
Quantity	Price
1	$40.03333

$40.03333

Qty

Product Detail

Origin: Non China/Non India
Item# PUN3MSWC1-R

Quantity	Price
Quantity	Price
1	$16.66667

$16.66667

Qty

Product Detail

PUN6MSWC1 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 1 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 6M Quantity Discounts Items

1'' 6M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	1
Pressure Class	6M

Origin: North America
Item# PUN6MSWC1-U

Quantity	Price
Quantity	Price
1	$36.87762

$36.87762

Qty

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PUN3MSWC1.25 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 1 1/4 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 3M Quantity Discounts Items

1 1/4'' 3M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	1 1/4
Pressure Class	3M

Origin: Urestricted Origin
Item# PUN3MSWC1.25-I

Quantity	Price
Quantity	Price
1	$48.43333

$48.43333

Qty

Product Detail

Origin: North America
Item# PUN3MSWC1.25-U

Quantity	Price
Quantity	Price
1	$24.40612

$24.40612

Qty

Product Detail

PUN3MSWC1.5 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 1 1/2 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 3M Quantity Discounts Items

1 1/2'' 3M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	1 1/2
Pressure Class	3M

Origin: Urestricted Origin
Item# PUN3MSWC1.5-I

Quantity	Price
Quantity	Price
1	$18.21667

$18.21667

Qty

Product Detail

Origin: Approved
Item# PUN3MSWC1.5-X

Quantity	Price
Quantity	Price
1	$20.24792

$20.24792

Qty

Product Detail

Origin: North America
Item# PUN3MSWC1.5-U

Quantity	Price
Quantity	Price
1	$26.43956

$26.43956

Qty

Product Detail

Origin: Non China/Non India
Item# PUN3MSWC1.5-R

Quantity	Price
Quantity	Price
1	$17.36667

$17.36667

Qty

Product Detail

PUN3MSWC2 A105 FORGED SOCKET WELD HEX UNION Pipe Diameter 2 Quantity Discounts A105 FORGED SOCKET WELD HEX UNION Pressure Class 3M Quantity Discounts Items

2'' 3M A105 FORGED SOCKET WELD HEX UNION

Pipe Diameter	2
Pressure Class	3M

Origin: Urestricted Origin
Item# PUN3MSWC2-I

Quantity	Price
Quantity	Price
1	$33.51667

$33.51667

Qty

Product Detail

Origin: Approved
Item# PUN3MSWC2-X

Quantity	Price
Quantity	Price
1	$33

$33

Qty

Product Detail

Origin: North America
Item# PUN3MSWC2-U

Quantity	Price
Quantity	Price
1	$38.05769

$38.05769

Qty

Product Detail

Origin: Non China/Non India
Item# PUN3MSWC2-R

Quantity	Price
Quantity	Price
1	$0

Qty

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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

Per ASTM A105-A105M - 24
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