Chemical-Resistant Pipe And Fittings | McMaster-Carr

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Stainless Steel

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Expansion Joint

Reducing Adapter

Shape

Cut-to-Angle Elbow

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UN/UNF (SAE Straight)

Fitting Connection

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Stainless Steel

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Threaded on Both Ends

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Calcium Chloride

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Stainless Steel

Connects To

Corrugated Pipe

Pressure Class

Fitting Material

Stainless Steel

Maximum Pressure @ Temperature

15 psi @ 72° F

20 psi @ 72° F

40 psi @ 72° F

45 psi @ 72° F

50 psi @ 72° F

55 psi @ 72° F

60 psi @ 72° F

65 psi @ 72° F

70 psi @ 72° F

80 psi @ 72° F

85 psi @ 72° F

90 psi @ 72° F

95 psi @ 72° F

100 psi @ 72° F

110 psi @ 72° F

120 psi @ 72° F

125 psi @ 72° F

ID

OD

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

RoHS

Compliant with Exemptions

REACH

DFARS Specialty Metals

Export Control Classification Number (ECCN)

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11,518 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

Stainless Steel Threaded Pipe and Fittings

Low-Pressure Stainless Steel Threaded Pipe Fittings

Low-Pressure Stainless Steel Threaded Pipe Fittings

For pressures up to 500 psi

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe

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

High-Pressure Stainless Steel Threaded Pipe Fittings

High-Pressure Stainless Steel Threaded Pipe Fittings

Strong enough for pressures up to 3,000 psi

Extreme-Pressure Stainless Steel Threaded Pipe Fittings

Extreme-Pressure Stainless Steel Threaded Pipe Fittings

Our strongest stainless steel threaded fittings withstand pressures as high as 15,000 psi

Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe

Thick-Wall Stainless Steel Threaded Pipe Nipples and Pipe

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

Precision Extreme-Pressure Stainless Steel Threaded Pipe Fittings

Precision Extreme-Pressure Stainless Steel Threaded Pipe Fittings

The tightest tolerances of our stainless steel fittings; also called instrumentation fittings

Medium-Pressure Stainless Steel Threaded Pipe Fittings

Medium-Pressure Stainless Steel Threaded Pipe Fittings

For pressures up to 1,000 psi

Premium Medium-Pressure Stainless Steel Threaded Pipe Fittings

Premium Medium-Pressure Stainless Steel Threaded Pipe Fittings

Cast in the U.S. and include certificate with traceable lot number

Premium Low-Pressure Stainless Steel Threaded Pipe Fittings

Premium Low-Pressure Stainless Steel Threaded Pipe Fittings

Cast in the U.S. and include certificate with traceable lot number

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe Assortments

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe Assortments

Keep multiple lengths of low-pressure pipe nipples and pipe on hand

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

Standard-Wall Stainless Steel Threaded Pipe Nipples and Pipe with Sealant

Male threads have sealant applied for extra leak protection in low-pressure lines

Low-Pressure Stainless Steel Threaded Pipe Fittings with Sealant

Low-Pressure Stainless Steel Threaded Pipe Fittings with Sealant

Male threads have sealant applied for extra leak protection in low-pressure lines

Low-Pressure Stainless Steel Threaded Pipe Flanges

Low-Pressure Stainless Steel Threaded Pipe Flanges

Create an access point in lines up to 290 psi; also known as Class 150 flanges

Miniature Medium-Pressure Stainless Steel Threaded Pipe Fittings

Miniature Medium-Pressure Stainless Steel Threaded Pipe Fittings

Less than two inches to fit in medium-pressure lines with limited space

High-Pressure Stainless Steel Threaded Pipe Flanges

High-Pressure Stainless Steel Threaded Pipe Flanges

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

SAE High-Pressure Stainless Steel Threaded Two-Piece Pipe Flanges

SAE High-Pressure Stainless Steel Threaded Two-Piece Pipe Flanges

Pair with an adapter for a custom access point in hydraulic lines up to 5,000 psi

SAE High-Pressure Stainless Steel Threaded Pipe Flanges

SAE High-Pressure Stainless Steel Threaded Pipe Flanges

Add an access point in high-pressure hydraulic lines; also known as Code 61 SAE hydraulic flanges

Plastic Pipe and Fittings

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

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

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

CPVC Pipe Fittings for Chemicals

CPVC Pipe Fittings for Chemicals

Withstand salt solutions, acids, and other harsh substances

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

UV-Resistant Polypropylene Pipe Fittings for Chemicals

UV-Resistant Polypropylene Pipe Fittings for Chemicals

Withstand sunlight as well as acids, solvents, and other chemicals

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

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

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

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

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

Plastic Barbed Pipe Fittings for Water

Plastic Barbed Pipe Fittings for Water

Clamp to semi-flexible plastic pipe to connect lines up to 200 psi; also called insert fittings

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

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

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 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

Polypropylene Barbed Pipe Fittings for Chemicals

Polypropylene Barbed Pipe Fittings for Chemicals

Clamp to semi-flexible plastic pipe and withstand acids and solvents; also called insert fittings

Easy-Access UV-Resistant Polypropylene Pipe Fittings for Chemicals

Easy-Access UV-Resistant Polypropylene Pipe Fittings for Chemicals

Clamp onto pipe for quick disassembly and withstand sunlight and harsh chemicals

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 Polypropylene Pipe Flanges for Chemicals

UV-Resistant Polypropylene Pipe Flanges for Chemicals

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

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

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

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

Low-Pressure Plastic Compression Pipe Fittings for Water

Low-Pressure Plastic Compression Pipe Fittings for Water

Tighten by hand for quick, leak-free connections in lines up to 125 psi

ABS Threaded Cleanout Plugs

ABS Threaded Cleanout Plugs

Close off your drain cleanout pipe

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

Easy-Access CPVC Pipe Flanges for Chemicals

Easy-Access CPVC Pipe Flanges for Chemicals

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

Stainless Steel Unthreaded Pipe and Fittings

Medium-Pressure Stainless Steel Butt-Weld Pipe Fittings

Medium-Pressure Stainless Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in medium-pressure lines

Low-Pressure Stainless Steel Butt-Weld Pipe Fittings

Low-Pressure Stainless Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in low-pressure lines

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

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

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

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

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

High-Pressure Stainless Steel Butt-Weld Pipe Fittings

High-Pressure Stainless Steel Butt-Weld Pipe Fittings

Beveled ends help create strong welds for maximum flow in lines 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 Press-Socket Pipe Fittings

Low-Pressure Stainless Steel Press-Socket Pipe Fittings

Crimp onto pipe for a leak-free connection that's faster than threading or welding

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

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

Low-Pressure Stainless Steel Clamp-On Pipe Fittings

Low-Pressure Stainless Steel Clamp-On Pipe Fittings

Clamp onto pipe for a strong seal and easy assembly

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

Easy-Access Low-Pressure Stainless Steel Clamp-On Pipe Fittings

Easy-Access Low-Pressure Stainless Steel Clamp-On Pipe Fittings

Turn the T-handle to tighten and loosen without tools

Low-Pressure Stainless Steel Compression Pipe Fittings

Low-Pressure Stainless Steel Compression Pipe Fittings

Tighten by hand for quick, leak-free connections in lines up to 200 psi

Drain, Waste, and Vent Pipe and Fittings

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 PVC Clamp-On Pipe Fittings for Water

Drain, Waste, and Vent PVC Clamp-On Pipe Fittings for Water

Clamp onto pipe for a strong seal and easy assembly

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 Polypropylene Pipe Fittings for Chemicals

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

UL rated for flame retardance and withstand organic solvents that would dissolve CPVC fitings

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 Iron and Steel Pipe Fittings

Drain, Waste, and Vent Iron and Steel Pipe Fittings

Durable enough for pipe systems above and below ground; also called no-hub and soil pipe fittings

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 PVC Pipe Fittings for Joining Metal to Plastic

Drain, Waste, and Vent PVC Pipe Fittings for Joining Metal to Plastic

Connect PVC waste pipe to cast iron pipe without adding bulk

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

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

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

UL rated for flame retardance and withstand organic solvents that would dissolve CPVC pipe

Cut-to-Length Drain, Waste, and Vent PVC Clamp-On Pipe Fittings for Water

Cut-to-Length Drain, Waste, and Vent PVC Clamp-On Pipe Fittings for Water

Cut to the length you need to connect pipe up to 100 ft. apart

Other Products

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.)