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S30815 Stainless Steel vs. EN 1.4008 Stainless Steel

Both S30815 stainless steel and EN 1.4008 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is EN 1.4008 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
17
Fatigue Strength, MPa 320
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 680
670
Tensile Strength: Yield (Proof), MPa 350
500

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1020
760
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
8.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
2.1
Embodied Energy, MJ/kg 47
30
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 24
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
100
Resilience: Unit (Modulus of Resilience), kJ/m3 310
630
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 15
23

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.1
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
12 to 13.5
Iron (Fe), % 62.8 to 68.4
81.8 to 86.8
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0
0.2 to 0.5
Nickel (Ni), % 10 to 12
1.0 to 2.0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025