Socket-Weld Tube Connectors | McMaster-Carr

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Pipe and Fittings

Pipe Expansion Joints

System of Measurement

Pipe Size

Material

Stainless Steel

Fitting Connection

Spec Image

Clamp-On Barbed

Spec Image

Spec Image

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Socket Fusion Weld

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Shape

Cut-to-Angle Elbow

Side-Outlet Elbow

Pipe Schedule

Fitting Type

Expansion Joint

Reducing Adapter

Pipe Material

Stainless Steel

Pressure Class

Threading

Threaded on One End

Flange Material

Stainless Steel

For Use With

Calcium Chloride

Length

Gender

Specifications Met

NACE MR0175/ISO 15156

Maximum Pressure @ Temperature

600 psi @ 70° F

40 psi @ 72° F

45 psi @ 72° F

50 psi @ 72° F

55 psi @ 72° F

65 psi @ 72° F

70 psi @ 72° F

75 psi @ 72° F

80 psi @ 72° F

85 psi @ 72° F

90 psi @ 72° F

95 psi @ 72° F

110 psi @ 72° F

120 psi @ 72° F

130 psi @ 72° F

140 psi @ 72° F

145 psi @ 72° F

150 psi @ 72° F

Connects To

Fitting Material

Stainless Steel

ID

OD

Thread Type

RoHS

Compliant with Exemptions

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

How can we improve?

5,116 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Pipe and Fittings

Iron and Steel Unthreaded Pipe and Fittings

High-Pressure Iron and Steel Socket-Connect Pipe Fittings

High-Pressure Iron and Steel Socket-Connect Pipe Fittings

Easier to weld than butt-weld fittings and withstand pressures up to 3,000 psi

Low-Pressure Iron and Steel Unthreaded Pipe Flanges

Low-Pressure Iron and Steel Unthreaded Pipe Flanges

Create an access point in lines up to 230 psi

Extreme-Pressure Iron and Steel Socket-Connect Pipe Fittings

Extreme-Pressure Iron and Steel Socket-Connect Pipe Fittings

Our strongest iron and steel unthreaded fittings withstand pressures up to 6,000 psi

High-Pressure Iron and Steel Unthreaded Pipe Flanges

High-Pressure Iron and Steel Unthreaded Pipe Flanges

Create an access point in lines up to 1,400 psi; also known as Class 300 or Class 600 flanges

SAE High-Pressure Iron and Steel Unthreaded Pipe Flanges

SAE High-Pressure Iron and Steel Unthreaded Pipe Flanges

Add an access point in hydraulic lines up to 3,000 psi; also known as Code 61 SAE hydraulic flanges

Thick-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Thick-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 80

Standard-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Standard-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

Extreme-Pressure Iron and Steel Unthreaded Pipe Flanges

Extreme-Pressure Iron and Steel Unthreaded Pipe Flanges

Create an access point in extreme-pressure lines; also known as Class 1500 flanges

Ultra-Thick-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Ultra-Thick-Wall Iron and Steel Unthreaded Pipe Nipples and Pipe

Our strongest unthreaded pipe for handling extreme pressures; also known as Schedule XXH

FM-Approved Standard-Wall Iron and Steel Grooved-End Pipe Nipples and Pipe

FM-Approved Standard-Wall Iron and Steel Grooved-End Pipe Nipples and Pipe

Clamp to fittings for quick access to fire water mains and sprinkler systems

Stainless Steel Unthreaded Pipe and Fittings

High-Pressure Stainless Steel Socket-Connect Pipe Fittings

High-Pressure Stainless Steel Socket-Connect Pipe Fittings

Easier to weld than butt-weld fittings and withstand pressures up to 3,000 psi

Low-Pressure Stainless Steel Socket-Connect Pipe Fittings

Low-Pressure Stainless Steel Socket-Connect Pipe Fittings

Easier to weld than butt-weld fittings and withstand pressures up to 300 psi

Low-Pressure Stainless Steel Unthreaded Pipe Flanges

Low-Pressure Stainless Steel Unthreaded Pipe Flanges

Create an access point in lines up to 230 psi

High-Pressure Stainless Steel Unthreaded Pipe Flanges

High-Pressure Stainless Steel Unthreaded Pipe Flanges

Create an access point in lines up to 1,200 psi; also known as Class 300 or Class 600 flanges

Extreme-Pressure Stainless Steel Socket-Connect Pipe Fittings

Extreme-Pressure Stainless Steel Socket-Connect Pipe Fittings

Our strongest stainless steel unthreaded fittings withstand pressures up to 7,700 psi

Standard-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Standard-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Pair with low- and medium-pressure fittings; also known as Schedule 40

SAE High-Pressure Stainless Steel Unthreaded Pipe Flanges

SAE High-Pressure Stainless Steel Unthreaded Pipe Flanges

Add an access point in hydraulic lines up to 5,000 psi; also known as Code 61 SAE hydraulic flanges

Extra-Thick-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Extra-Thick-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

The strongest stainless steel pipe we offer for extreme pressures; also known as Schedule 160

Thick-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Thick-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Pair with high-pressure fittings; also known as Schedule 80

Thin-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Thin-Wall Stainless Steel Unthreaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 10

Plastic Pipe and Fittings

CPVC Pipe Fittings for Chemicals

CPVC Pipe Fittings for Chemicals

Withstand salt solutions, acids, and other harsh substances

Thick-Wall Plastic Pipe Fittings for Water

Thick-Wall Plastic Pipe Fittings for Water

Withstand heavy duty applications, such as water processing; also known as Schedule 80

Standard-Wall Plastic Pipe Fittings for Water

Standard-Wall Plastic Pipe Fittings for Water

The industry standard for low-pressure water lines; also known as Schedule 40

High-Purity Polypropylene Pipe Fittings for Drinking Water

High-Purity Polypropylene Pipe Fittings for Drinking Water

Polished to an ultra-smooth finish that won't leach contaminants or accumulate particles

Flame-Retardant High-Purity PVDF Pipe Fittings for Harsh Chemicals

Flame-Retardant High-Purity PVDF Pipe Fittings for Harsh Chemicals

Handle acids and organic solvents without leaching contaminants into your line

UV-Resistant Standard-Wall Plastic Pipe Fittings for Water

UV-Resistant Standard-Wall Plastic Pipe Fittings for Water

Stand up to sunlight for use in outdoor low-pressure water lines; also known as Schedule 40

CPVC Pipe Nipples and Pipe for Chemicals

CPVC Pipe Nipples and Pipe for Chemicals

Withstand salt solutions, acids, and other harsh substances; also known as Schedule 80

Thick-Wall Plastic Pipe Nipples and Pipe for Water

Thick-Wall Plastic Pipe Nipples and Pipe for Water

Withstand heavy duty applications, such as water processing; also known as Schedule 80

Thick-Wall Plastic Pipe Flanges for Water

Thick-Wall Plastic Pipe Flanges for Water

Create an access point in high-pressure water supply lines; also known as Class 150 flanges

Flame-Retardant High-Purity PVDF Pipe Nipples and Pipe for Harsh Chemicals

Flame-Retardant High-Purity PVDF Pipe Nipples and Pipe for Harsh Chemicals

Handle acids and organic solvents without leaching contaminants into your line

Flame-Retardant PVDF Pipe Nipples and Pipe for Harsh Chemicals

Flame-Retardant PVDF Pipe Nipples and Pipe for Harsh Chemicals

UL rated for flame retardance and withstand solvents and other harsh chemicals

High-Purity Polypropylene Pipe Flanges for Drinking Water

High-Purity Polypropylene Pipe Flanges for Drinking Water

Add an access point to lines that won't leach contaminants; also known as Class 150 flanges

Clear-View Standard-Wall Plastic Pipe Fittings for Water

Clear-View Standard-Wall Plastic Pipe Fittings for Water

See inside low-pressure plumbing and water supply lines; also known as Schedule 40

Standard-Wall Plastic Pipe Nipples and Pipe for Water

Standard-Wall Plastic Pipe Nipples and Pipe for Water

The industry standard for low-pressure water lines; also known as Schedule 40

Clear-View Standard-Wall Plastic Pipe Nipples and Pipe for Water

Clear-View Standard-Wall Plastic Pipe Nipples and Pipe for Water

See inside low-pressure plumbing and water supply lines; also known as Schedule 40

Clear-View Thick-Wall Plastic Pipe Nipples and Pipe for Water

Clear-View Thick-Wall Plastic Pipe Nipples and Pipe for Water

See inside high-pressure plumbing and water supply lines; also known as Schedule 80

CPVC Pipe Flanges for Chemicals

CPVC Pipe Flanges for Chemicals

Add an access point to lines that withstand chemicals; also known as Class 150 flanges

UV-Resistant Polypropylene Pipe Nipples and Pipe for Chemicals

UV-Resistant Polypropylene Pipe Nipples and Pipe for Chemicals

Withstand sunlight as well as acids, solvents, and other chemicals; also known as Schedule 80

Fiberglass Pipe Fittings for Chemicals

Fiberglass Pipe Fittings for Chemicals

Our strongest plastic fittings for chemical-process applications, such as metal treatment

UV-Resistant Thick-Wall Plastic Pipe Nipples and Pipe for Water

UV-Resistant Thick-Wall Plastic Pipe Nipples and Pipe for Water

Stand up to sunlight for use in outdoor high-pressure water lines; also known as Schedule 80

UV-Resistant Standard-Wall Plastic Pipe Nipples and Pipe for Water

UV-Resistant Standard-Wall Plastic Pipe Nipples and Pipe for Water

Stand up to sunlight for use in outdoor low-pressure water lines; also known as Schedule 40

High-Purity Polypropylene Pipe Nipples and Pipe for Drinking Water

High-Purity Polypropylene Pipe Nipples and Pipe for Drinking Water

Polished to an ultra-smooth finish that won't leach contaminants or accumulate particles

Fiberglass Pipe Nipples and Pipe for Chemicals

Fiberglass Pipe Nipples and Pipe for Chemicals

Our strongest plastic pipe for chemical-process applications, such as metal treatment

Easy-Access CPVC Pipe Nipples and Pipe for Chemicals

Easy-Access CPVC Pipe Nipples and Pipe for Chemicals

Attach to fittings with a clamp for quick access to chemical-process lines; known as Victaulic pipe

Fiberglass Pipe Flanges for Chemicals

Fiberglass Pipe Flanges for Chemicals

Create an access point in heavy duty chemical-process lines, such as for plating solution

Easy-Access CPVC Pipe Fittings for Chemicals

Easy-Access CPVC Pipe Fittings for Chemicals

Connect to pipe with a clamp for quick access to chemical-process lines; known as Victaulic fittings

Iron and Steel Threaded Pipe and Fittings

Standard-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Standard-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 40

Thick-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Thick-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Pair with medium-pressure fittings; also known as Schedule 80

Ultra-Thick-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Ultra-Thick-Wall Iron and Steel Threaded Pipe Nipples and Pipe

Our strongest threaded pipe for handling extreme pressures; also known as Schedule XXH

Aluminum Unthreaded Pipe and Fittings

Low-Pressure Aluminum Socket-Connect Pipe Fittings

Low-Pressure Aluminum Socket-Connect Pipe Fittings

Easier to weld than butt-weld fittings since perfect alignment isn't necessary

Thick-Wall Aluminum Unthreaded Pipe Nipples and Pipe

Thick-Wall Aluminum Unthreaded Pipe Nipples and Pipe

The strongest aluminum unthreaded pipe we offer; also known as Schedule 80

Standard-Wall Aluminum Unthreaded Pipe Nipples and Pipe

Standard-Wall Aluminum Unthreaded Pipe Nipples and Pipe

Pair with low- and medium-pressure fittings; also known as Schedule 40

Thin-Wall Aluminum Unthreaded Pipe Nipples and Pipe

Thin-Wall Aluminum Unthreaded Pipe Nipples and Pipe

Pair with low-pressure fittings; also known as Schedule 10

Copper Unthreaded Pipe and Fittings

Standard-Wall Copper Unthreaded Pipe Nipples and Pipe

Standard-Wall Copper Unthreaded Pipe Nipples and Pipe

Pair with low-pressure fittings

Drain, Waste, and Vent Pipe and Fittings

Underground Drain, Waste, and Vent PVC Pipe Fittings for Water

Underground Drain, Waste, and Vent PVC Pipe Fittings for Water

Thin walls give extra room for high-flow applications, such as underground storm drainage lines

Drain, Waste, and Vent Standard-Wall PVC Pipe Fittings for Water

Drain, Waste, and Vent Standard-Wall PVC Pipe Fittings for Water

The industry standard for gravity-flow drain, waste, and vent applications; known as Schedule 40

Drain, Waste, and Vent ABS Pipe Fittings for Chemicals

Drain, Waste, and Vent ABS Pipe Fittings for Chemicals

An economical choice for gravity-flow chemical-waste systems; also known as Schedule 40

Flame-Retardant Drain, Waste, and Vent CPVC Pipe Fittings for Chemicals

Flame-Retardant Drain, Waste, and Vent CPVC Pipe Fittings for Chemicals

UL rated for flame retardance and NSF certified for use in gravity-flow corrosive-waste systems

Drain, Waste, and Vent ABS Pipe Nipples and Pipe for Chemicals

Drain, Waste, and Vent ABS Pipe Nipples and Pipe for Chemicals

An economical choice for gravity-flow chemical-waste systems; also known as Schedule 40

Underground Drain, Waste, and Vent PVC Pipe Nipples and Pipe for Water

Underground Drain, Waste, and Vent PVC Pipe Nipples and Pipe for Water

Thin walls give extra room for high-flow applications, such as underground storm drainage lines

Flame-Retardant Drain, Waste, and Vent CPVC Pipe Nipples and Pipe for Chemicals

Flame-Retardant Drain, Waste, and Vent CPVC Pipe Nipples and Pipe for Chemicals

UL rated for flame retardance and NSF certified for use in corrosive-waste gravity-flow systems

Drain, Waste, and Vent ABS Pipe Flanges for Chemicals

Drain, Waste, and Vent ABS Pipe Flanges for Chemicals

Add an access point in gravity-flow chemical-waste systems

Drain, Waste, and Vent Standard-Wall PVC Pipe Flanges for Water

Drain, Waste, and Vent Standard-Wall PVC Pipe Flanges for Water

Create an access point in gravity-flow drain, waste, and vent lines; also known as Schedule 40

Other Products

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

Hose Fittings

Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose

Manual On/Off Valves

Manual On/Off Valves

Start and stop flow through a line

Motor-Actuated On/Off Valves

Motor-Actuated On/Off Valves

An electric motor handles higher flow rates and pressures than solenoid valves

Pipe Stub Ends

Connect a pipe flange to a pipe without needing to weld it in place

Pipe Traps

Create a seal that prevents the backflow of gas

Pipe Expansion Joints

Pipe Expansion Joints

Reduce stress, vibration, and noise in piping systems by absorbing movement

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)