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S31730 Stainless Steel vs. AWS E317L

Both S31730 stainless steel and AWS E317L are iron alloys. They have a moderately high 93% 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 E317L.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 540
580

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
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.6
4.3
Embodied Energy, MJ/kg 63
59
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 30
31
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 18
20
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.040
Chromium (Cr), % 17 to 19
18 to 21
Copper (Cu), % 4.0 to 5.0
0 to 0.75
Iron (Fe), % 52.4 to 61
56.6 to 66.5
Manganese (Mn), % 0 to 2.0
0.5 to 2.5
Molybdenum (Mo), % 3.0 to 4.0
3.0 to 4.0
Nickel (Ni), % 15 to 16.5
12 to 14
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030