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EN 1.4318 Stainless Steel vs. EN 1.0033 Steel

Both EN 1.4318 stainless steel and EN 1.0033 steel are iron alloys. They have 74% 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 1.4318 stainless steel and the bottom bar is EN 1.0033 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
86 to 96
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
17 to 32
Fatigue Strength, MPa 340
120 to 140
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520
200
Tensile Strength: Ultimate (UTS), MPa 740
300 to 330
Tensile Strength: Yield (Proof), MPa 380
150 to 200

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
48 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 360
63 to 100
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
10 to 12
Strength to Weight: Bending, points 23
13 to 14
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 17
9.4 to 10

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.11
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 70.2 to 77.4
98.8 to 100
Manganese (Mn), % 0 to 2.0
0 to 0.7
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.045