316/316L

Product Information

316/316L Pipe and Tubing


  Sizes   Standard Tolerances
Products OD Wall Lengths and/or coils Grades OD Wall Lengths
Welded Austenitic Steel Boiler, Super Heater, Heat-Exchangers & Condenser Tubes

Specifications: ASTM-A249, ASME-SA249, ASTM-A688, ASME-SA688

3/16" (4.76 mm) to 4" (101.6 mm)

Metric sizes available

0.020" (0.51 mm) to 0.220" (5.59 mm) Random or cut lengths up to 90' (27.4 m)

Coils to 1-1/2" OD

316/316L
Under 1" (25.4 mm) ±0.004" (0.10 mm)
1" (25.4 mm) to 1-1/2" (38.1 mm) ±0.006" (0.15 mm)
>1-1/2" (38.1 mm) to 2" (50.8 mm) ±0.008" (0.20 mm)
>2" (50.8 mm) to 2-1/2" (63.5 mm) ±0.010" (0.25 mm)
>2-1/2" (63.5 mm) to 3" (76.2 mm) ±0.012" (0.30 mm)
3" (76.2 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)
±10%
Randoms up to +2" (50.8 mm)

Cuts +1/8" (3 mm) -0"

Coils to 80,000' (24,384 m)

Pressure & Corrosion Tubing

Meets or exceeds requirements for welded

Specifications: ASTM-A269, ASTM-A1016, and ASTM-A632

1/16" (1.59 mm) to 4" (101.6 mm)

Metric sizes available

0.010" (0.25 mm) to 0.220" (5.59 mm) Random or cut lengths up to 90' (27.4 m)

Coils to 1-1/2" OD

316/316L
<1-1/2" (38.1 mm) ±0.005" (0.13 mm) 1-1/2" (38.1 mm) to 3" (76.2 mm) ±0.010" (0.25 mm)
3-1/2" (88.9 mm) to 4" (101.6 mm) ±0.015" (0.38 mm)
±10% Randoms up to +2" (50.8 mm)

Cuts +1/8" (3 mm) -0"

Coils to 80,000' (24,384 m)

Beverage Tubing 1/4"(6.35 mm) 5/16" (7.94 mm) 3/8" (9.53 mm) 1/2" (12.7 mm)

Metric sizes available

0.020" (0.51 mm) to 0.028" (0.71 mm) Random or cut lengths up to 40' (12.2 m) 316L ±0.005" (0.13 mm) ±10% Randoms up to +2" (50.8 mm)

Cuts +1/8" (3 mm) -0"

Coils to 15,000' (4,572 m)

Instrumentation Tubing

Specifications: ASTM-A269 and ASTM-A632

1/16" (1.59 mm) to 1/2" (12.7 mm)

Metric sizes available

0.010" (0.25 mm) to 0.065" (1.65 mm) Random or cut lengths up to 40' (12.2 m) 316/316L ±0.005" (0.13 mm) ±10% Randoms up to +2" (50.8 mm)

Cuts +1/8" (3 mm) -0"

Food/Dairy Tubing, Pharmaceutical/ BioPharmaceutical Tubing, High Purity Tubing, Ultra High Purity Tubing 1/2" (12.7 mm) to 8" (203.2 mm) 0.049" (1.24 mm) to 0.109" (2.77 mm) 20' (6.1 m) stock lengths.

Other lengths available upon request.

316/316L
1/2" (12.7 mm) ± 0.005" (0.13 mm)
3/4" (19.1 mm) ± 0.005" (0.13 mm)
1" (25.4 mm) ± 0.005" (0.13 mm)
1-1/2" (38.1 mm) ± 0.008" (0.20 mm)
2" (50.8 mm) ± 0.008" (0.20 mm)
2-1/2" (63.5 mm) ± 0.010" (0.25 mm)
3" (76.2 mm) ± 0.010" (0.25 mm)
4" (101.6 mm) ± 0.015" (0.38 mm)
6" (152.4 mm) ± 0.030" (0.76 mm)
8" (203.2 mm) +0.061" (1.55 mm), -0.031" (0.79 mm)
±10%

±10%

±10%

±10%

±10%

±10%

±10%

±10%

±10%

±10%
+1/8" (3 mm) -0"

+1/8" (3 mm) -0"

+1/8" (3 mm) -0"

+1/8" (3 mm) -0"

+1/8" (3 mm) -0"

+1/8" (3 mm) -0"

+1/8" (3 mm) -0"

+1/8" (3 mm) -0"

+1" (25.4 mm) -0"

+1" (25.4 mm) -0"

Physical Properties of 316/316L Alloys in the Annealed Condition at -20°F to +100°F


      Tensile Strength Yield Strength            
Alloy UNS Designation Spec. psi MPa ksi psi MPa ksi Elongation in 2 inches (min.) % Grain Size Req. Max. Hardness Modulus of Elasticity (x106 psi) Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) Thermal Conductivity(BTU-in/ft2-h-°F)
316 S31600 A249, A312 75,000 515 75 30,000 205 30 35 90 Rb 28.0 9.2 116
316L S31603 A270, A312 70,000 485 70 25,000 170 25 90 Rb 28.0 9.2 116
316H S31609 7 or coarser

Composition of 316/316L tubing and pipe


Grade 316 316L
UNS Designation S31600 S31603
Carbon (C) Max. 0.08 0.030*
Manganese (Mn) Max. 2.00 2.00
Phosphorous (P) Max. 0.045 0.045
Sulphur (S) Max. 0.030 0.030
Silicon (Si) Max. 1.00 1.00
Chromium (Cr) 16.0 – 18.0 16.0 – 18.0
Nickel (Ni) 10.0 – 14.0 10.0 – 14.0
Molybdenum (Mo) 2.0 – 3.0 2.0 – 3.0
Nitrogen (N)
Iron (Fe) Bal. Bal.
Other Elements

* Maximum carbon content of 0.04% acceptable for drawn tubes


316/316L Product Range


Alloy UNS Designation Werkstoff NR. Specifications*
316 S31600 1.4401 A269, A/SA249, A/SA312, A1016, A632, A/SA688
316L** S31603 1.4404 A269, A/SA249, A/SA312, A1016, A632, A/SA688

*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.

**Available with electropolished ID's for ultra purity applications. Refer to RathGibson True 10 and True 15 electropolished tubing series.