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EN 1.4910 Stainless Steel vs. S30815 Stainless Steel

Both EN 1.4910 stainless steel and S30815 stainless steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4910 stainless steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 41
45
Fatigue Strength, MPa 250
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 450
480
Tensile Strength: Ultimate (UTS), MPa 650
680
Tensile Strength: Yield (Proof), MPa 290
350

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 950
1020
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
3.3
Embodied Energy, MJ/kg 54
47
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 27
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
260
Resilience: Unit (Modulus of Resilience), kJ/m3 210
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 14
15

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0 to 0.040
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 16 to 18
20 to 22
Iron (Fe), % 62 to 69.9
62.8 to 68.4
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 12 to 14
10 to 12
Nitrogen (N), % 0.1 to 0.18
0.14 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.75
1.4 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030