stainless steel pipe schedule 40 32 mm is standard-wall stainless pipe for process mains, pump connections and steam distribution. Its outside diameter and wall follow ASME B36.19 schedule 40.
Choose grade 304 for general service or 316 for chlorides and chemicals. In addition, it welds, threads and flanges with standard fittings.
What is stainless steel pipe schedule 40 32 mm?
Stainless steel pipe schedule 40 is corrosion-resistant steel pipe with the standard wall thickness set by ASME B36.19. Sizes are given in mm (DN) or inches (NPS), and each size has a fixed outside diameter.
Schedule 40 gives a good balance of strength and weight. Therefore, it is widely used for process, food, water treatment and steam lines, joined by welding, threading or flanges.
Further reading
- Stainless steel grades and corrosion resistance (Wikipedia)
- Nominal pipe size and schedules (Wikipedia)
- Types of piping and plumbing fittings (Wikipedia)
Key terms explained
- Nominal pipe size (NPS)
- The trade size of a pipe, such as 1 inch. Each NPS has a fixed outside diameter.
- Schedule
- A number that sets wall thickness for a pipe size. Schedule 40 is the common standard wall.
- Grade 304 and 316
- Common stainless steels. Grade 316 contains molybdenum, so it resists chlorides and chemicals better.
- Passive layer
- A thin chromium oxide film that forms on stainless steel and protects it from rust.
- DN
- Diameter Nominal, the metric size name, such as DN25 for 1 inch pipe.
Features and benefits
- Resists rust and many chemicals.
- Smooth, hygienic bore.
- Strong at high pressure and temperature.
- Weldable, threadable and flangeable.
- Grades 304 and 316.
- Long service life with little maintenance.
Technical specifications
| Product | Stainless Steel Pipe Schedule 40 32 mm |
|---|---|
| Size | 32 mm (DN) |
| Outside diameter and wall (sch 40) | OD 42.2 mm (1 1/4 inch NPS), wall 3.56 mm |
| Schedule | 40 (40S) |
| Grade | 304 or 316, confirm with quote |
| Supplier | Sparks Plumbing Experts Ltd, Nairobi |
Dimensions follow ASME B36.19 schedule 40. Grade, welded or seamless type and length per piece depend on stock.
Applications of stainless steel pipe schedule 40 32 mm
- Food and beverage plants. Carries milk, juice, beer and process water.
- Dairy processing. Forms hygienic milk and CIP lines.
- Pharmaceutical plants. Carries purified water and process fluids.
- Water treatment. Carries treated water and dosing chemicals.
- Chemical processing. Carries corrosive fluids where the grade suits.
- Steam and condensate. Carries steam where rating and grade suit.
- Boiler rooms. Forms feed water and blowdown lines.
- Compressed air. Gives clean, rust-free air lines.
- Hotels and hospitals. Carries hot water and medical services where specified.
- Breweries and distilleries. Forms process and cooling lines.
- Marine and coastal sites. Grade 316 resists salt air.
- Handrails and balustrades. Forms corrosion-resistant rails.
- Instrument lines. Small sizes carry sampling and gauge lines.
How to choose and install
- Choose grade 316 for chlorides, salt or chemicals, and 304 for general use.
- Pick the schedule for your pressure.
- Match fittings to the same grade.
- Avoid carbon steel tools and contact, which can cause rust spots.
- Use correct welding and passivation for hygienic lines.
Why choose Sparks Plumbing Experts
- Valves, flanges and gaskets togetherComplete a pipeline joint with matching valves, flanges, gaskets and bolts.
- Pressure-rated optionsMany items come in PN16, class 150 or class 300 ratings, so you can match the line.
- Stainless and carbon steelChoose stainless for corrosion resistance or carbon steel where it suits the service.
- Plant maintenance sparesKeep critical spares on hand for planned shutdowns and breakdowns.
- Visit or collect in NairobiOur store is at KCB Building, Enterprise Road, in the Industrial Area, so you can see parts before you buy or collect your order.
- Quotes your wayAsk for prices by phone, WhatsApp, email or the online quote form, whichever suits you on site.
- Over 1,600 products in one placeOur catalogue covers 55 categories, so one supplier can handle most of your parts list.
- Help choosing the right partSend a nameplate photo, a drawing or the old part, and we help you match size and specification.
- Single items or project quantitiesWe price a single replacement part just as readily as a full site order.
- Supply across East AfricaWe serve customers across Kenya, and we also supply buyers in Uganda and Tanzania.
Related products and accessories
Browse more: Steel & Stainless Steel Pipes & Fittings · Stainless Steel · Valves · Flanges.
Ordering from Sparks Plumbing Experts
We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. You can collect from our store at KCB Building, Enterprise Road, Nairobi, or ask us about delivery to your site. Send your quantities and specifications, and we will reply with prices and availability.
Request a Quote WhatsApp 0726 086 895
Frequently asked questions
What are the dimensions of stainless steel pipe schedule 40 32 mm?
Outside diameter and wall: OD 42.2 mm (1 1/4 inch NPS), wall 3.56 mm, as set by ASME B36.19 schedule 40.
Where is stainless steel pipe schedule 40 32 mm used?
It suits process mains, pump connections and steam distribution.
Which fittings fit stainless steel pipe schedule 40 32 mm?
Schedule 40 stainless fittings of the same size and grade.
Can I order stainless steel pipe schedule 40 32 mm in bulk?
Yes. Tell us the number of lengths and the grade.
What details do you need to quote stainless steel pipes?
Tell us the size, the material grade, the schedule or pressure class and the quantity. A photo of the old part, a nameplate or a drawing also helps. Then call or WhatsApp 0726 086 895, or use the quote form on this page.
Do you deliver stainless steel pipes outside Nairobi?
Yes. We supply customers across Kenya, and we also serve buyers in Uganda and Tanzania. Delivery or courier arrangements are agreed when you confirm the order.
How much does a stainless steel pipe cost in Kenya?
The price depends on the size, the grade, the schedule and the quantity. Therefore, send your list with a quote request and we will reply with current figures.
Do you supply mill test certificates for stainless steel pipes?
Ask us when you request a quote. We will tell you what documentation is available for the stock you order.
Can stainless steel pipes carry steam?
Steel suits steam when the grade, schedule and rating match the steam pressure and temperature. Confirm your conditions with us.
Does stainless steel pipe rust?
It resists rust well. However, chlorides or contact with carbon steel can cause spots, so choose 316 where needed.
Can stainless steel pipe carry drinking water?
Yes. Stainless steel is widely used for potable and hygienic water.
Which grade do I need, 304 or 316?
304 suits most water and food uses. 316 suits chlorides, salt and many chemicals.
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