Khuliso Fittings is a well-respected manufacturer and supplier located in Cape Town, South Africa, specializing in top-notch Stainless Steel 316 Pipe Fittings. These fittings are celebrated for their outstanding resistance to corrosion, pitting, and chemical damage, making them perfect for challenging environments. The inclusion of molybdenum in grade 316 boosts its ability to withstand chlorides and acidic conditions, ensuring they last longer and perform reliably. Khuliso Fittings offers precision-engineered 316 fittings that adhere to international standards, and they’re widely utilized in various industries, including chemical processing, marine, food, and pharmaceuticals, providing consistent reliability and performance in every application.
| Specifications | ASTM A403 / ASME SA403 |
|---|---|
| Size | 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated) |
| Standards | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43 |
| Thickness | 5s, 10s, 40s, 80s, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160, XXS available with NACE MR 01-75 |
| Type | Seamless / Welded / Fabricated |
SS 316 Pipe Fittings are composed of 16-18% Chromium, 10-14% Nickel, 2-3% Molybdenum, up to 2% Manganese, 1% Silicon, 0.08% Carbon, 0.045% Phosphorus, and 0.03% Sulfur, with trace elements. The addition of molybdenum enhances corrosion resistance, particularly against chlorides and acidic environments. These fittings have a tensile strength of 515 MPa, a yield strength of 205 MPa, and an elongation of 40%, ensuring excellent mechanical performance. With a Brinell hardness of 217 HB, Stainless Steel 316 offers high durability, strength, and resistance to pitting and crevice corrosion.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 316 | min. | – | – | – | – | 16.0 | 2.0-3.0 | 10.0 | – | |
| max. | 0.035 | 2.0 | 0.75 | 0.045 | 0.030 | 18.0 | 14.0 | – | ||
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 316 | 515 | 205 | 40 | 95 | 217 |
Stainless Steel 316 Pipe Fittings are made up of about 16–18% chromium, 10–14% nickel, and 2–3% molybdenum, along with trace amounts of carbon, manganese, and silicon. This unique blend enhances their resistance to corrosion, oxidation, and high-temperature scaling. These fittings boast a tensile strength of around 515 MPa, a yield strength of 205 MPa, and an elongation of 40%. They also offer excellent weldability, formability, and toughness, even in cryogenic temperatures, making them suitable for both high-pressure and corrosive environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 316 Pipe Fittings from Khuliso Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| SS 316 Fittings | 1.4401 / 1.4436 | S31600 | SUS 316 | 316S31 / 316S33 | – | Z7CND17‐11‐02 | X5CrNiMo17-12-2 / X3CrNiMo17-13-3 |
Stainless Steel 316 Pipe Fittings provide outstanding corrosion resistance, particularly in marine and chloride-rich environments, due to the presence of molybdenum. They are highly durable, offering excellent strength and resistance to pitting, crevice corrosion, and oxidation in aggressive conditions. These fittings maintain mechanical integrity at high and low temperatures, making them suitable for a wide range of applications. With superior weldability and machinability, SS 316 fittings are easy to fabricate and install. Their long-lasting performance makes them ideal for industries like petrochemical, marine, chemical processing, and power generation.
| Nominal Pipe Size | Outside Diameter | Caps | Straight Tees | Straight Crosses | Stub Ends | |||
|---|---|---|---|---|---|---|---|---|
| (inches) | (mm) | (inches) | Length (inches) | Center to End (inches) | Center to End (inches) | Lap Diameter (inches) | Long Length (inches) | Short Length (inches) |
| 1/2 | 21.3 | 0.840 | 1 | 1 | – | 1 3/8 | 3 | 2 |
| 3/4 | 26.7 | 1.050 | 1 | 1 1/8 | – | 1 11/16 | 3 | 2 |
| 1 | 33.4 | 1.315 | 1 1/2 | 1 1/2 | 1 1/2 | 2 | 4 | 2 |
| 1 1/4 | 42.2 | 1.660 | 1 1/2 | 1 7/8 | 1 7/8 | 2 1/2 | 4 | 2 |
| 1 1/2 | 48.3 | 1.900 | 1 1/2 | 2 1/4 | 2 1/4 | 2 7/8 | 4 | 2 |
| 2 | 60.3 | 2.375 | 1 1/2 | 2 1/2 | 2 1/2 | 3 5/8 | 6 | 2 1/2 |
| 2 1/2 | 73.0 | 2.875 | 1 1/2 | 3 | 3 | 4 1/8 | 6 | 2 1/2 |
| 3 | 88.9 | 3.500 | 2 | 3 3/8 | 3 3/8 | 5 | 6 | 2 1/2 |
| 3 1/2 | 101.6 | 4.000 | 2 1/2 | 3 3/4 | 3 3/4 | 5 1/2 | 6 | 3 |
| 4 | 114.3 | 4.500 | 2 1/2 | 4 1/8 | 4 1/8 | 6 3/16 | 6 | 3 |
| 5 | 141.3 | 5.563 | 3 | 4 7/8 | 4 7/8 | 7 5/16 | 8 | 3 |
| 6 | 168.3 | 6.625 | 3 1/2 | 5 5/8 | 5 5/8 | 8 1/2 | 8 | 3 1/2 |
| 8 | 219.1 | 8.625 | 4 | 7 | 7 | 10 5/8 | 8 | 4 |
| 10 | 273.1 | 10.750 | 5 | 8 1/2 | 8 1/2 | 12 3/4 | 10 | 5 |
| 12 | 323.9 | 12.750 | 6 | 10 | 10 | 15 | 10 | 6 |
Yes, custom sizes are available for Stainless Steel 316 Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@khulisofittings.co.za.
| Product | Size* | Wall Thickness** | Seamless | Welded | |||||||||||||||||||||
| Elbow | 1/2″-24″ | SCH10S~XXS | √ | √ | |||||||||||||||||||||
| 8″-104″ | SCH5S~80S/XS | √ | |||||||||||||||||||||||
| Tee | 1/2″-24″ | SCH10S~XXS | √ | √ | |||||||||||||||||||||
| 8″-104″ | SCH5S~80S/XS | √ | |||||||||||||||||||||||
| Orangeucer | 1/2″-24″ | SCH10S~XXS | √ | √ | |||||||||||||||||||||
| 8″-104″ | SCH5S~80S/XS | √ | |||||||||||||||||||||||
| Cap | 1/2″-80″ | SCH10S~SCH160 | √ | ||||||||||||||||||||||
| Lap Joint Stub End | 1/2″-24″ | SCH5S~80S/XS | √ | √ | |||||||||||||||||||||
| 8″-80″ | SCH5S~80S/XS | √ | |||||||||||||||||||||||
You’ll find Stainless Steel 316 Pipe Fittings in industries that require exceptional resistance to chemical and saltwater corrosion. They’re commonly used in heat exchangers, condensers, marine piping systems, chemical tanks, food processing equipment, and pharmaceutical facilities. Additionally, they play a vital role in desalination units, paper mills, and oil refineries. Their ability to endure harsh environmental conditions, including exposure to chlorides and acids, makes them a go-to choice for industries that need reliable and hygienic performance in corrosive and high-temperature settings.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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