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Stainless steel 316 pipe fittings

Stainless Steel 316 Buttweld Fittings

What are the benefits of using high-quality SS 316 pipe fittings in industrial and commercial applications?

One of the most popular materials for corrosive applications, this grade contains 16% chromium, 10% nickel, and up to 3 percent molybdenum. Stainless steel 316 buttweld fittings operate in marine environments, industrial and chemical transportation, pressure vessels, and construction.

We are committed to supplying high-quality, versatile products, for example, an ASTM A403 WP316 pipe bend for flow management in industrial piping. Products built from premium raw materials are likelier to deliver sustainable performance.

  • Can resist exposure to several chemicals and marine environments
  • A DIN 1.4401 SS 316 tee has a minimum tensile strength of 515 Mpa and a yield strength of 200 Mpa.
  • Shows resistance to pitting

SS 316 elbow manufacturer in India, check applications


Specification of stainless steel 316 pipe fittings


Specifications Size Pressure ratings
ASTM A403 SS 316 1/2” TO 36” 3000#, 6000#, 9000#
Thickness: Coating Types
SCH 5S to SCH160 Zinc plated, oil black paint, anti-rust paint, hot dip galvanized Elbow, tee, reducer, cap, stub end
Technics Connection Standard
Forged Welding ANSI, JIS, DIN, ASME

To get the best longevity of stainless stel 316 reducer, tee in high and low-temperature, please connect with us

What are the non-destructive testing methods used to inspect 316 stainless steel elbows?

Elbows – standard piping components to divert the flow by a specified angle – operate in multiple industries. Although an SS 316 elbow gets produced with close adherence to specifications, defects may seep in at any stage. The components may have undercuts, roughness, discoloration, or spatter.

The typical non-destructive tests to assess defects in a UNS S31600 cap include ultrasonic examination and eddy current testing. Some vendors may use visual inspection, a liquid penetrant test, or molybdenum spot testing. The Mill Test Certificate summarizes these results for clients to find reassurance about long-term safety and performance.

Types of stainless steel 316 buttweld fittings


316 stainless steel pipe fittings

316 stainless steel pipe fittings

Stainless steel 316 elbow

Stainless steel 316 elbow

SS 316 reducer

SS 316 reducer

316 stainless steel tee

316 stainless steel tee

Find here pressure rating for A403 WP316 buttweld fittings based on the specific requirements of your application

What are the benefits of using Stainless Steel 316 Buttweld Fittings in high-corrosion applications?

The role of ASME SA403 316 SS buttweld fittings in highly corrosive conditions is crucial. They can tolerate abrasive agents like phosphoric acid, chlorides, and seawater. These fittings benefit chemical and food processing industries and oil and gas refineries.

  • A stainless steel 316 reducer can tolerate splashing and immersion in saltwater
  • These components don’t undergo deformation till elevated temperatures (1400°F or 760°C).
  • SS 316 pipe fittings can withstand sulfuric acid at a concentration below 10 per cent at moderate temperatures.

Chemical composition of SS 316 elbow


C Mn Si P S Cr Ni
0.08 max
2 max
0.75 Max
0.045 max
0.030 max
18 - 20
8 - 11
To know what sizes of ASME SA403 WP316 pipe fittings are available, contact us

Mechanical properties of SS 316 reducer


Grade Density Melting points Tensile strength Yield strength(0.2% offset) Elongation
SS 8.0g/ cm3 1400°C (255°F) PSI-75000, MPa-515 PSi-30000, MPa-205 35%
For detailed information of the chemical and mechanical properties of SS 316 reducer, view our product datasheets

Equivalent properties of DIN 1.4401 SS 316 tee


Standard Werkstoff nr. UNS JIS BS GOST AFNOR EN
SS 1.4301 S30400 SUS 304 304S31 08X18H10 Z7CN18-09 X5CrNi18-10

Size chart of SS 316 buttweld fittings


Product Wall Thickness Size*
Tee SCH10S~XXS 1/2"-24"
SCH5S~80S/XS 8"-104"
Elbow SCH10S~XXS 1/2"-24"
SCH5S~80S/XS 8"-104"
Reducer SCH10S~XXS 1/2"-24"
SCH5S~80S/XS 8"-104"
Lap Joint Stub End SCH5S~80S/XS 1/2"-24"
SCH5S~80S/XS 8"-80"
Cap SCH10S~SCH160 1/2"-80"

Pressuer ratings of ASTM A403 WP316 elbow


NPS
(in)
OD
(in)
Pressure ratings of ASTM A403 WP316 buttweld fittings
500 100 300 400 200
1 1/2" 1.900 1404 1629 1629 1512 1629
1.900 1986 2303 2303 2138 2303
1.900 2899 3362 3362 3120 3362
1" 1.315 1902 2205 2205 2047 2205
1.315 2640 3061 3061 2841 3061
1.315 3874 4493 4493 4170 4493
2" 2.375 1182 1371 1371 1272 1371
2.375 1712 1985 1985 1843 1985
2.375 2831 3283 3283 3047 3283
3" 3.500 1122 1301 1301 1208 1301
3.500 1590 1844 1844 1712 1844
3.500 2403 2787 2787 2587 2787
5" 5.563 832 965 965 896 965
5.563 1231 1428 1428 1325 1428
5.563 2133 2474 2474 2296 2474
4" 4.500 950 1102 1102 1023 1102
4.500 1377 1596 1596 1482 1596
4.500 2552 2611 2611 2424 2611
6" 6.625 756 877 877 814 877
6.625 1189 1379 1379 1280 1379
6.625 2054 2382 2382 2211 2382
10" 10.750 603 699 699 649 699
10.750 999 1159 1159 1075 1159
10.750 1974 2289 2289 2124 2289
8" 8.625 665 771 771 716 771
8.625 1050 1218 1218 1131 1218
8.625 1982 2298 2298 2133 2298

Frequently asked questions


1. What is the chemical composition of 316 SS pipe fittings?

→ 16 to 18% chromium, 10 to 14% nickel, 2 to 3% molybdenum, and a small percentage of carbon

2. Why is 316 more expensive than 304?

→ Higher levels of Ni content contained within 316, presence of molybdenum