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EN 1.4112 Stainless Steel vs. EN 1.8945 Steel

Both EN 1.4112 stainless steel and EN 1.8945 steel are iron alloys. They have 81% 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 EN 1.4112 stainless steel and the bottom bar is EN 1.8945 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 280
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 470
350
Tensile Strength: Ultimate (UTS), MPa 750
580
Tensile Strength: Yield (Proof), MPa 430
390

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 910
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.5
Embodied Energy, MJ/kg 37
19
Embodied Water, L/kg 130
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
82
Resilience: Unit (Modulus of Resilience), kJ/m3 480
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
20
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 26
17

Alloy Composition

Carbon (C), % 0.85 to 1.0
0 to 0.15
Chromium (Cr), % 17 to 19
0.25 to 1.4
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 76.6 to 81.2
95.1 to 99.5
Manganese (Mn), % 0 to 1.0
0 to 1.1
Molybdenum (Mo), % 0.9 to 1.3
0
Nickel (Ni), % 0
0 to 0.7
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0.050 to 0.16
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.040
Vanadium (V), % 0.070 to 0.12
0