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S31730 Stainless Steel vs. AWS E2595

Both S31730 stainless steel and AWS E2595 are iron alloys. They have 90% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is S31730 stainless steel and the bottom bar is AWS E2595.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
17
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 540
850

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
14

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.6
4.4
Embodied Energy, MJ/kg 63
61
Embodied Water, L/kg 180
190

Common Calculations

PREN (Pitting Resistance) 30
42
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
30
Strength to Weight: Bending, points 18
25
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 17 to 19
24 to 27
Copper (Cu), % 4.0 to 5.0
0.4 to 1.5
Iron (Fe), % 52.4 to 61
51.4 to 64.5
Manganese (Mn), % 0 to 2.0
0 to 2.5
Molybdenum (Mo), % 3.0 to 4.0
2.5 to 4.5
Nickel (Ni), % 15 to 16.5
8.0 to 10.5
Nitrogen (N), % 0 to 0.045
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 0
0.4 to 1.0