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S44700 Stainless Steel vs. EN 1.8515 Steel

Both S44700 stainless steel and EN 1.8515 steel are iron alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S44700 stainless steel and the bottom bar is EN 1.8515 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 23
11
Fatigue Strength, MPa 300
580
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
74
Shear Strength, MPa 380
680
Tensile Strength: Ultimate (UTS), MPa 600
1130
Tensile Strength: Yield (Proof), MPa 450
940

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 18
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.6
Embodied Energy, MJ/kg 49
22
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 42
4.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 480
2310
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
40
Strength to Weight: Bending, points 20
31
Thermal Shock Resistance, points 19
33

Alloy Composition

Carbon (C), % 0 to 0.010
0.28 to 0.35
Chromium (Cr), % 28 to 30
2.8 to 3.3
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 64.9 to 68.5
94.7 to 96.5
Manganese (Mn), % 0 to 0.3
0.4 to 0.7
Molybdenum (Mo), % 3.5 to 4.2
0.3 to 0.5
Nickel (Ni), % 0 to 0.15
0 to 0.3
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035