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AWS E2593 (W39593) Weld Metal

AWS E2593 is a weld metal formulated for joining stainless steels. Cited properties are appropriate for the as-welded condition. E2593 is the AWS designation for this material. W39593 is the UNS number.

It has a fairly high tensile strength and a moderately low ductility among stainless steel welding fillers.

The graph bars on the material properties cards below compare AWS E2593 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

17 %

Poisson's Ratio

0.27

Shear Modulus

80 GPa 12 x 10⁶ psi

Tensile Strength: Ultimate (UTS)

850 MPa 120 x 10³ psi

Thermal Properties

Latent Heat of Fusion

300 J/g

Melting Completion (Liquidus)

1430 °C 2610 °F

Melting Onset (Solidus)

1390 °C 2530 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

16 W/m-K 9.2 BTU/h-ft-°F

Thermal Expansion

14 µm/m-K

Otherwise Unclassified Properties

Base Metal Price

22 % relative

Density

7.8 g/cm³ 490 lb/ft³

Embodied Carbon

4.2 kg CO₂/kg material

Embodied Energy

59 MJ/kg 25 x 10³ BTU/lb

Embodied Water

190 L/kg 23 gal/lb

Common Calculations

PREN (Pitting Resistance)

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

25 points

Strength to Weight: Axial

30 points

Strength to Weight: Bending

25 points

Thermal Diffusivity

4.3 mm²/s

Thermal Shock Resistance

21 points

Alloy Composition

Iron (Fe)Fe		52.7 to 62.5
Chromium (Cr)Cr		24 to 27
Nickel (Ni)Ni		8.5 to 10.5
Molybdenum (Mo)Mo		2.9 to 3.9
Copper (Cu)Cu		1.5 to 3.0
Manganese (Mn)Mn		0.5 to 1.5
Silicon (Si)Si		0 to 1.0
Nitrogen (N)N		0.080 to 0.25
Carbon (C)C		0 to 0.040
Phosphorus (P)P		0 to 0.040
Sulfur (S)S		0 to 0.030