Home > Stainless Steel > Stainless Steel 316 Hydraulic Fittings
Paul Tube Fittings is one of the top manufacturers and suppliers of high-quality Stainless Steel 316 Hydraulic Fittings in Houston, USA. Known for precision engineering, long-lasting materials, and high-pressure performance, Paul Tube Fittings supplies fittings on par with global standards and suited for a range of industrial applications. With a deep focus on quality, customer satisfaction, and timely delivery, the company offers innovative hydraulic fitting solutions for use in oil and gas, petrochemicals, marine, and heavy machinery. Our products undergo rigorous testing to guarantee reliability and longevity in even the most hostile environments.
Stainless Steel 316 Hydraulic Fittings consist mainly of iron with 16–18% chromium, 10–14% nickel, and 2–3% molybdenum to improve corrosion resistance, particularly in chloride-containing conditions. Austenitic stainless steel also includes manganese, silicon, and trace amounts of carbon. The material possesses superior mechanical properties with a tensile strength of about 515 MPa, yield strength of 205 MPa, and elongation of 40% in 50 mm. These attributes render it extremely durable, ductile, and resistant to high pressure, which makes it perfectly suitable for hydraulic systems and critical applications.
| DESIGN STANDARD | DIN 2353/ ISO 8434-1 |
| MATERIAL | SS 316 ,SS 316L |
| SERIES | LL- LOW PRESSURE , L- MEDIUM PRESSURE, S- HIGH PRESSURE |
| WORKING PRESSURE | (LOW) LL SERIES – 100 BAR |
| (MEDIUM)L SERIES – 100 BAR TO 500 BAR | |
| (HEAVY)S SERIES – 200 BAR TO 800 BAR | |
| SIZE RANGE | LL SERIES – 4LL TO 12LL |
| L SERIES – 6L TO 42L | |
| S SERIES – 6S TO 38S | |
| CONNECTIONS | TUBE TO TUBE , TUBE TO MALE THREAD , TUBE TO FEMALE THREAD , TUBE TO BUTT WELD , TUBE TO SOCKET WELD , TUBE TO JIC 37* , TUBE TO 24* CONE, TUBE TO SWIVEL END , TUBE TO ADJUSTBALE STANDPIPE |
| WELD NIPPLE TO MALE THREAD , WELD NIPPLE TO FEMALE THREAD , WELD NIPPLE TO BUTT WELD , WELD NIPPLE TO SOCKET WELD , WELD NIPPLE TO 24* CONE , WELD NIPPLE TO 37* JIC , WELD NIPPLE TO SWIVEL | |
| BODY TYPE | FORGED, BAR STOCK |
| SURFACE | STAINLESS STEEL – EXPORT BRIGHT FINISH, SHORT BLASTED FINISH, ELECTROPLATED FINISH |
| TEMPERATURE | STAINLESS STEEL 316 – (-60*C TO 400*C) |
| APPLICATIONS & INDUSTRIES | CONSTRUCTION EQUIPMENTS , DRILLING PLATFORMS, HYDRO POWER PLANTS , MACHINE TOOLS , RAILWAY TECHNOLOGY , SHIPBUILDING , WIND TUBRINE , MOBILE HYDRAULIC EQUIPMENT , MINNING , STATIONARY HYDRAULIC EQUIPMENT, INDUSTRIAL HYDRAULICS, INJECTION MOULDING MACHINERY , ALUMINUM DIE-CASTING MACHINERY, SINTERING MACHINERY, STEEL MILLS, HYDRAULIC PRESSES, PAPER PROCESSING MOBILE HYDRAULICS, BUILDING MACHINERY, AGRICULTURAL FORESTRY, LIFTING & MATERIAL HANDLING EQUIPMENT |
| MATERIAL DESIGNATOR | STAINLESS STEEL – ASTM A 276 , ASTM 182 |
Grade | Mn | C | S | Mo | N | Si | P | Cr | Ni | |
316 | Minimum | – | – | – | 2.00 | – | – | 0 | 16.0 | 10.0 |
Maximum | 2.0 | 0.08 | 0.03 | 3.00 | 0.10 | 0.75 | 0.045 | 18.0 | 14.0 | |
316H | Minimum | 0.04 | 0.04 | – | 2.00 | – | 0 | – | 16.0 | 10.0 |
Maximum | 0.10 | 0.10 | 0.03 | 3.00 | – | 0.75 | 0.045 | 18.0 | 14.0 |
Grade | Elong (% in 50mm) min | Yield Str 0.2% Proof (MPa) min | Tensile Str (MPa) min | Hardness | |
Rockwell B (HR B) max | Brinell (HB) max | ||||
316 | 40 | 205 | 515 | 95 | 217 |
316H | 40 | 205 | 515 | 95 | 217 |
Grade | British | Euronorm | UNS No | SS | JIS | ||
European Standards | British Standards | DIN No | Name | ||||
316 | 58H, 58J | 316S31 | 1.4401 | X5CrNiMo17-12-2 | S31600 | 2347 | SUS 316 |
316H | – | 316S51 | – | – | S31609 | – | – |
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Stainless Steel 316 Hydraulic Fittings find applications in industries demanding high corrosion resistance and mechanical strength. They are used extensively in hydraulic and pneumatic systems of the oil and gas industry, chemical processing, marine, aerospace, and food and beverage industries. They are best suited for carrying corrosive liquids, high-pressure liquids, and gases. Due to their durability and non-reactive nature, they also find application in sanitary and sterile applications. They also find application in construction and heavy machinery for the purpose of leak-free vibration-resistant connections that can withstand rough operating conditions and aggressive media for long periods of service.
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