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AWS E317L (W31713) Weld Metal

AWS E317L is a weld metal formulated for joining stainless steels. Cited properties are appropriate for the as-welded condition. E317L is the AWS designation for this material. W31713 is the UNS number. Additionally, the ISO numeric designation is ES317L.

It has a moderately low tensile strength among the stainless steel welding fillers in the database.

The graph bars on the material properties cards below compare AWS E317L to: stainless steel welding fillers (top), all iron alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

200 GPa 29 x 106 psi

Elongation at Break

34 %

Poisson's Ratio

0.28

Shear Modulus

79 GPa 11 x 106 psi

Tensile Strength: Ultimate (UTS)

580 MPa 84 x 103 psi

Thermal Properties

Latent Heat of Fusion

300 J/g

Melting Completion (Liquidus)

1450 °C 2640 °F

Melting Onset (Solidus)

1400 °C 2550 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

15 W/m-K 8.5 BTU/h-ft-°F

Thermal Expansion

14 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

2.1 % IACS

Electrical Conductivity: Equal Weight (Specific)

2.4 % IACS

Otherwise Unclassified Properties

Base Metal Price

22 % relative

Density

7.9 g/cm3 490 lb/ft3

Embodied Carbon

4.3 kg CO2/kg material

Embodied Energy

59 MJ/kg 25 x 103 BTU/lb

Embodied Water

170 L/kg 20 gal/lb

Common Calculations

PREN (Pitting Resistance)

31

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

20 points

Strength to Weight: Bending

20 points

Thermal Diffusivity

3.9 mm2/s

Thermal Shock Resistance

15 points

Alloy Composition

Iron (Fe) 56.6 to 66.5
Chromium (Cr) 18 to 21
Nickel (Ni) 12 to 14
Molybdenum (Mo) 3.0 to 4.0
Manganese (Mn) 0.5 to 2.5
Silicon (Si) 0 to 1.0
Copper (Cu) 0 to 0.75
Carbon (C) 0 to 0.040
Phosphorus (P) 0 to 0.040
Sulfur (S) 0 to 0.030

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

AWS A5.4: Specification for Stainless Steel Electrodes for Shielded Metal Arc Welding

Welding Metallurgy and Weldability of Stainless Steels, John C. Lippold and Damian J. Kotecki, 2005

Welding Metallurgy of Stainless Steels, Erich Folkhard et al., 2012