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EN 1.4369 Stainless Steel vs. EN 1.8945 Steel

Both EN 1.4369 stainless steel and EN 1.8945 steel are iron alloys. They have 69% 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 1.4369 stainless steel and the bottom bar is EN 1.8945 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
16
Fatigue Strength, MPa 330
260
Impact Strength: V-Notched Charpy, J 91
30
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 580
350
Tensile Strength: Ultimate (UTS), MPa 850
580
Tensile Strength: Yield (Proof), MPa 390
390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
42
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
82
Resilience: Unit (Modulus of Resilience), kJ/m3 380
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
20
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 18
17

Alloy Composition

Carbon (C), % 0.070 to 0.15
0 to 0.15
Chromium (Cr), % 17.5 to 19.5
0.25 to 1.4
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 63 to 70.2
95.1 to 99.5
Manganese (Mn), % 5.0 to 7.5
0 to 1.1
Nickel (Ni), % 6.5 to 8.5
0 to 0.7
Nitrogen (N), % 0.2 to 0.3
0 to 0.010
Phosphorus (P), % 0 to 0.030
0.050 to 0.16
Silicon (Si), % 0.5 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.040