CHANGZHOU STAINLESS STEEL PIPE              PED 97/23/EC


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Material(Grade)

Specs: 317L(1.4438) Cr-Ni-Mo


Alloy 317L (UNS S31703) is a molybdenum-bearing austenitic stainless steel tube with greatly increased resistance to chemical attack as compared to the conventional chromium-nickel austenitic stainless steel pipe such as Alloy 304. In addition, Alloy 317L offers higher creep, stress-to-rupture, and tensile strength at elevated temperatures than conventional stainless steel tubing. It is a low carbon or "L" grade which provides resistance to sensitization during welding and other thermal processes.

General Properties
Chemical Composition
Resistance to Corrosion
Physical Properties
Mechanical Properties
Oxidation Resistance
Heat Treatment
Fabrication

Welding

317 Stainless Steel Tube | 317L Stainless Steel Pipe
304 | 304L | 304H| 316/316L| 316Ti| 317L| 321/321H | 309S | 310S | 347/347H| S32205/S31803| S32750| 904L


Product Information for 317/317L stainless steel pipe

  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.


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