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AWS E308H vs. S30615 Stainless Steel

Both AWS E308H and S30615 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AWS E308H and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
39
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 620
690

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Melting Completion (Liquidus), °C 1420
1370
Melting Onset (Solidus), °C 1380
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 14
16

Otherwise Unclassified Properties

Base Metal Price, % relative 16
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.2
3.7
Embodied Energy, MJ/kg 46
53
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 21
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.2
3.7
Thermal Shock Resistance, points 16
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.040 to 0.080
0.16 to 0.24
Chromium (Cr), % 18 to 21
17 to 19.5
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 62.9 to 72.5
56.7 to 65.3
Manganese (Mn), % 0.5 to 2.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 9.0 to 11
13.5 to 16
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
3.2 to 4.0
Sulfur (S), % 0 to 0.030
0 to 0.030