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EN 1.7710 Steel vs. S30815 Stainless Steel

Both EN 1.7710 steel and S30815 stainless steel are iron alloys. They have 68% 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 EN 1.7710 steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 320
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 11
45
Fatigue Strength, MPa 500 to 620
320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
680
Tensile Strength: Yield (Proof), MPa 800 to 1060
350

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 440
1020
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.3
Embodied Energy, MJ/kg 30
47
Embodied Water, L/kg 57
160

Common Calculations

PREN (Pitting Resistance) 4.5
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
260
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 38
25
Strength to Weight: Bending, points 27 to 30
22
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 27 to 31
15

Alloy Composition

Carbon (C), % 0.12 to 0.18
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 1.3 to 1.8
20 to 22
Iron (Fe), % 95.1 to 97
62.8 to 68.4
Manganese (Mn), % 0.6 to 1.0
0 to 0.8
Molybdenum (Mo), % 0.8 to 1.0
0
Nickel (Ni), % 0
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
1.4 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.25
0