317/317L

Product Information

317/317L 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 317/317L
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

317/317L
<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)

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) 317/317L ±0.005" (0.13 mm) ±10% Randoms up to +2" (50.8 mm)

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


Physical Properties of 317/317L 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)
317 S31700 A249, A312 75,000 515 75 30,000 205 30 35 90 Rb 28.0 9.2 116
317L S31703 A249, A312 70,000 485 70 25,000 170 25 35 90 Rb 28.0 9.2 116

Composition of 317/317L tubing and pipe


Grade 317 317L
UNS Designation S31700 S31703
Carbon (C) Max. 0.08 0.035*
Manganese (Mn) Max. 2.00 2.00
Phosphorous (P) Max. 0.040 0.04
Sulphur (S) Max. 0.03 0.03
Silicon (Si) Max. 1.00 1.00
Chromium (Cr) 18.0–20.0 18.0–20.0
Nickel (Ni) 11.0–14.0 11.0–15.0
Molybdenum (Mo) 3.0–4.0 3.0–4.0
Nitrogen (N)
Iron (Fe) Bal. Bal.
Other Elements

*Maximum carbon content of 0.04% acceptable for drawn tubes


317/317L Product Range


Alloy UNS Designation Werkstoff NR. Specifications*
317 S31700 A269, A/SA249, A/SA312
317L S31703 1.4438 A269, A/SA249, A/SA312

*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.