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EN 1.8881 Steel vs. AISI 204 Stainless Steel

Both EN 1.8881 steel and AISI 204 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.8881 steel and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
210 to 330
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
23 to 39
Fatigue Strength, MPa 460
320 to 720
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 510
500 to 700
Tensile Strength: Ultimate (UTS), MPa 830
730 to 1100
Tensile Strength: Yield (Proof), MPa 710
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 420
850
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.4
Embodied Energy, MJ/kg 26
35
Embodied Water, L/kg 54
130

Common Calculations

PREN (Pitting Resistance) 2.0
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
360 to 2940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
27 to 40
Strength to Weight: Bending, points 25
24 to 31
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 24
16 to 24

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 0 to 1.5
15 to 17
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
69.6 to 76.4
Manganese (Mn), % 0 to 1.7
7.0 to 9.0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 2.5
1.5 to 3.0
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0.15 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0080
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0