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S39274 Stainless Steel vs. EN 1.8515 Steel

Both S39274 stainless steel and EN 1.8515 steel are iron alloys. They have 66% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S39274 stainless steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
11
Fatigue Strength, MPa 380
580
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
74
Shear Strength, MPa 560
680
Tensile Strength: Ultimate (UTS), MPa 900
1130
Tensile Strength: Yield (Proof), MPa 620
940

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 24
3.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.6
Embodied Energy, MJ/kg 60
22
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 43
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 940
2310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
40
Strength to Weight: Bending, points 26
31
Thermal Diffusivity, mm2/s 4.2
11
Thermal Shock Resistance, points 25
33

Alloy Composition

Carbon (C), % 0 to 0.030
0.28 to 0.35
Chromium (Cr), % 24 to 26
2.8 to 3.3
Copper (Cu), % 0.2 to 0.8
0
Iron (Fe), % 57 to 65.6
94.7 to 96.5
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 2.5 to 3.5
0.3 to 0.5
Nickel (Ni), % 6.0 to 8.0
0 to 0.3
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Tungsten (W), % 1.5 to 2.5
0