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EN 1.7715 Steel vs. S30441 Stainless Steel

Both EN 1.7715 steel and S30441 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 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 1.7715 steel and the bottom bar is S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
45
Fatigue Strength, MPa 240
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 340
400
Tensile Strength: Ultimate (UTS), MPa 540
580
Tensile Strength: Yield (Proof), MPa 340
230

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
940
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
18
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.4
Embodied Energy, MJ/kg 30
50
Embodied Water, L/kg 52
150

Common Calculations

PREN (Pitting Resistance) 2.4
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
210
Resilience: Unit (Modulus of Resilience), kJ/m3 320
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 16
13

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.1 to 0.15
0 to 0.080
Chromium (Cr), % 0.3 to 0.6
17.5 to 19.5
Copper (Cu), % 0 to 0.3
1.5 to 2.5
Iron (Fe), % 96.5 to 98.3
62 to 71.7
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.7
0
Nickel (Ni), % 0 to 0.3
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.15 to 0.35
1.0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8
Vanadium (V), % 0.22 to 0.28
0