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AWS E317 (W31710) Weld Metal

AWS E317 is a weld metal formulated for joining stainless steels. Cited properties are appropriate for the as-welded condition. E317 is the AWS designation for this material. W31710 is the UNS number. Additionally, the ISO numeric designation is ES317.

The graph bars on the material properties cards below compare AWS E317 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)

620 MPa 89 x 10³ psi

Thermal Properties

Latent Heat of Fusion

300 J/g

Melting Completion (Liquidus)

1450 °C 2630 °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)

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

22 points

Strength to Weight: Bending

20 points

Thermal Diffusivity

3.9 mm²/s

Thermal Shock Resistance

16 points

Alloy Composition

Iron (Fe)Fe		56.6 to 66.5
Chromium (Cr)Cr		18 to 21
Nickel (Ni)Ni		12 to 14
Molybdenum (Mo)Mo		3.0 to 4.0
Manganese (Mn)Mn		0.5 to 2.5
Silicon (Si)Si		0 to 1.0
Copper (Cu)Cu		0 to 0.75
Carbon (C)C		0 to 0.080
Phosphorus (P)P		0 to 0.040
Sulfur (S)S		0 to 0.030