Stainless Steel 316L Fittings Manufacturer and Exporter

As the most trusted and reliable manufacturer and supplier of Stainless Steel 316L fittings, Solitaire Overseas provides all the different types of high quality product range in different sizes and forms that are used in many industrial piping systems. Our product range includes elbows, reducers, caps, unions, bends, and couplings, which are commonly used in different industries to connect the different components together. The stainless steel 316L fitting contains less amount of carbon because its welding is easy and intergranular corrosion can be avoided from the carbides formed. It is fabricated according to international standards such as ASTM A403 WP316L and ASME B16.9. These fittings ensure the strength and dimension accuracy, and can easily connect with varying pipe sizes. Their features make it very suitable for a crevice corrosion environment and provide a leak-proof connection.

Table of Content:

Specifications of Stainless Steel 316L Fittings

ParameterDetails
GradeStainless Steel 316L / S31603
DIN / Werkstoff Nr.1.4404
EN DesignationX2CrNiMo17-12-2
Buttweld StandardASTM A403 WP316L
Forged StandardASTM A182 F316L (forged)
ASME EquivalentASME SA403 WP316L / SA182 F316L
Dimension Standard (BW)ASME B16.9 / MSS SP-43
Dimension Standard (Forged)ASME B16.11 / MSS SP-79
FormsElbow, Tee, Reducer, Cap, Stub End, Lap Joint, Cross, Coupling, Half-Coupling, Union, Plug, Bushing, Insert
Size Range (BW)1/2" NB to 48" NB
Size Range (Forged)1/8" NPS to 4" NPS, Class 2000 / 3000 / 6000 / 9000
Schedule RangeSCH 5S / 10S / 40S / 80S / 160 / XXS
End TypesBeveled End (BE), Plain End (PE), Threaded End (TE)
Test CertificatesEN 10204 3.1 MTC (standard); 3.2 on request
Third-Party InspectionSGS / TUV / Bureau Veritas / Intertek (on request)
PMI TestingAvailable on request
Surface FinishPickled, Annealed, Polished (2B, No.4, Mirror) on request
OriginIndia / Japan / Europe (to be confirmed at order stage)
DeliveryReady stock for common sizes; custom: 4-8 weeks

Chemical Composition of Stainless Steel 316L Fittings

GradeCarbon (C)Manganese (Mn)Silicon (Si)Phosphorus (P)Sulfur (S)Chromium (Cr)Molybdenum (Mo)Nickel (Ni)Iron (Fe)
316L0.035210.0450.03016 To 182 To 310 To 1468.89

Mechanical Properties of SS 316L Fittings

GradeDensityTensile StrengthYield StrengthElongationMelting Point
316L8.0 g/cm³75,000 Psi
(515 MPa)		30,000 Psi
(205 MPa)		35 %1399 °C
(2550 °F)

ASTM A403 WP316L Equivalent Grades

Standard / GradeWerkstoff Nr.BS (British)UNS (US)AFNOR (French)GOST (Russian)JIS (Japanese)EN (European)
316L1.4404 / 1.4435316S11 / 316S13S31603Z3CND17-11-02 / Z3CND18-14-0303Ch17N14M3 / 03Ch17N14M2SUS 316LX2CrNiMo17-12-2 / X2CrNiMo18-14-3

Different Types of Stainless Steel 316L Fittings

  • Type 316L Stainless Steel Long Radius Bend
  • A403 WP316L Short Radius Bend
  • ASTM A403 Grade WP316L Piggable Bend
  • 316L Stainless Steel Hot Induction Bend
  • ASTM A403 WP316L Seamless Pipe Bend
  • 316L SS Welded Pipe Bend
  • Werkstoff No 1.4435 Return Bend
  • Stainless Steel 316L J Bend
  • AISI 316L Mitered Pipe Bend
  • Inox 316L 2.5d Pipe Bend
  • WP316L 3d Pipe Bend
  • A403 WP316L 5d Pipe Bend
  • SS 316L 10d Pipe Bend
  • DIN 1.4435 22d Pipe Bend
  • UNS S31603 L Bend
  • ASME SA403 Grade WP316L Seamless Elbow
  • SUS 316L Welded Elbow
  • ASTM A403 Gr WP 316L Long Radius Elbow
  • ASTM A403 Gr WP316L Short Radius Elbow
  • ASME SA403 WP316L 1d Elbow
  • Type 316L Stainless Steel 1.5d Elbow
  • A403 WP316L 2d Elbow
  • ASTM A403 Grade WP316L 3d Elbow
  • 316L Stainless Steel 5d Elbow
  • ASTM A403 WP316L 8d Elbow
  • 316L SS Reducing Elbow
  • 22.5 Degree Werkstoff No 1.4435 Elbow
  • 30° Stainless Steel 316L Elbow
  • 45° AISI 316L Elbow
  • 60° Inox 316L Elbow
  • 90° WP316L Elbow
  • 120° A403 WP316L Elbow
  • 180° SS 316L Elbow
  • 90° Long Radius DIN 1.4435 Elbow
  • 90° Short Radius UNS S31603a Elbow
  • 45° Long Radius ASME SA403 Grade WP316L Elbow
  • 45° Short Radius SUS 316L Elbow
  • 180° Long Radius ASTM A403 Gr WP 316L Elbow
  • 180° Short Radius ASTM A403 Gr WP316L Elbow
  • ASME SA403 WP316L Buttweld Tee
  • Type 316L Stainless Steel Reducing Tee
  • A403 WP316L Equal Tee
  • ASTM A403 Grade WP316L Swept Tee
  • 316L Stainless Steel Saddle Tee
  • ASTM A403 WP316L Barred Tee
  • 316L SS Lateral Tee
  • Werkstoff No 1.4435 Y Tee
  • Stainless Steel 316L Straight Tees
  • AISI 316L Reducing Outlet Tees
  • Inox 316L Concentric Reducer
  • WP316L Eccentric Reducer
  • A403 WP316L Short Stub End
  • SS 316L Long Stub End
  • DIN 1.4435 Lap Joint Stub End
  • UNS S31603 Butt Welded Hemi-head Pipe Cap
  • ASME SA403 Grade WP316L Collar
  • SUS 316L Equal Cross
  • ASTM A403 Gr WP 316L Unequal Cross
  • ASTM A403 Gr WP316L Straight Crosses
  • ASME SA403 WP316L Reducing Outlet Cross
  • SUS316L Concentric Swage Nipple
  • SS 316L Eccentric Swage Nipple
  • AISI 316L Elbow
  • SS 316L Reducer
  • SA403 Grade 316L Stub End
  • 316L Stainless Steel Tee
  • 316L SS Cross
  • A403 316L Pipe Bend

ASTM A403 Gr WP316L HSN Code

HSN CodeDescription
73072100Stainless Steel 316L Pipe Fittings

316L SS Pipe Fitting Weight Chart

DNSched 80: 90° ElbowSched 80: Equal TeeSched 80: 45° ElbowSched 40: 45° ElbowSched 40: 90° ElbowSched 40: Equal TeeSched 10: 45° ElbowSched 10: 90° ElbowSched 10: Equal Tee
80.040.070.030.020.030.060.010.020.03
100.060.090.040.020.030.030.020.030.05
150.100.140.050.040.080.100.030.060.09
200.110.200.050.040.080.170.030.070.13
250.220.380.140.110.150.290.080.140.28
320.400.680.230.170.260.590.110.230.49
400.511.020.290.230.400.860.170.300.68
500.911.590.590.400.701.280.250.500.85
651.813.130.990.771.402.190.480.851.41
802.974.451.501.082.203.310.631.251.77
904.005.442.001.422.834.080.751.702.67
1006.187.712.812.094.475.271.082.103.46
15016.3213.168.165.441.891.992.725.458.07
20033.1128.1216.561.7721.542.915.331.2015.65
25051.7149.9025.8619.2738.5635.389.7518.1526.46
30079.3883.9139.6929.7159.4262.1413.6225.8039.46

Dimension Chart of Stainless Steel 316L Fittings

Nominal Pipe Size (inches)Inner Diameter (inches)Outer Diameter (inches)Wall Thickness (inches)Weight (kg/m)Maximum Pressure (PSI)
1/40.3440.5400.0880.086780
3/80.4730.6750.0910.115620
1/20.6020.8400.1090.170590
3/40.8041.0500.1130.226480
11.0291.3150.1330.333450
1-1/41.3601.6600.1400.450370
1-1/21.5901.9000.1450.537330
22.0472.3750.1540.720280
2-1/22.4452.8750.2031.136300
33.0423.5000.2161.488260
3-1/23.5214.0000.2261.789240
43.9984.5000.2372.118220
55.0165.5630.2582.874190
66.0316.6250.2803.733180
87.9428.6250.3225.619160
109.97610.7500.3657.966140
1211.88912.7500.40610.534130
1413.07314.0000.43712.462130
1614.94016.0000.50016.286130
1816.80918.0000.56220.587130
2018.74320.0000.59324.183120
2422.54424.0000.68733.652120

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Frequently Asked Questions

Stainless Steel 316L fittings are pipe connectors made from low-carbon 316 stainless steel, designed for joining, redirecting, or controlling flow in piping systems.

The main difference is carbon content; 316L has lower carbon, which reduces the risk of corrosion after welding and improves weldability.

They are used in industries like chemical processing, marine, oil & gas, food processing, and pharmaceuticals due to their corrosion resistance.

316L is preferred because its low carbon content prevents carbide precipitation, reducing the chances of intergranular corrosion during welding.

Yes, 316L offers excellent resistance to corrosion, including pitting and crevice corrosion, especially in chloride and harsh environments.

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