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EN 1.4034 Stainless Steel vs. EN 1.8819 Steel

Both EN 1.4034 stainless steel and EN 1.8819 steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 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 EN 1.4034 stainless steel and the bottom bar is EN 1.8819 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
27
Fatigue Strength, MPa 230 to 400
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 420 to 540
280
Tensile Strength: Ultimate (UTS), MPa 690 to 900
440
Tensile Strength: Yield (Proof), MPa 390 to 730
270

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 770
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
48
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.6
Embodied Energy, MJ/kg 27
21
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
100
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 32
16
Strength to Weight: Bending, points 22 to 27
16
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 24 to 32
13

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0.43 to 0.5
0 to 0.15
Chromium (Cr), % 12.5 to 14.5
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 83 to 87.1
95.9 to 99.985
Manganese (Mn), % 0 to 1.0
0 to 1.6
Molybdenum (Mo), % 0
0 to 0.13
Nickel (Ni), % 0
0 to 0.35
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.1