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S21900 Stainless Steel vs. EN 1.0070 Steel

Both S21900 stainless steel and EN 1.0070 steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 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 S21900 stainless steel and the bottom bar is EN 1.0070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
9.1
Fatigue Strength, MPa 380
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 510
440
Tensile Strength: Ultimate (UTS), MPa 710
740
Tensile Strength: Yield (Proof), MPa 390
350

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
53
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
6.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
7.8

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.7
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
18
Embodied Water, L/kg 160
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
56
Resilience: Unit (Modulus of Resilience), kJ/m3 380
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 3.8
14
Thermal Shock Resistance, points 15
23

Alloy Composition

Carbon (C), % 0 to 0.080
0
Chromium (Cr), % 19 to 21.5
0
Iron (Fe), % 59.4 to 67.4
99.876 to 100
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
0 to 0.014
Phosphorus (P), % 0 to 0.045
0 to 0.055
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.055