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EN 1.4303 Stainless Steel vs. EN 1.0434 Steel

Both EN 1.4303 stainless steel and EN 1.0434 steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 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 1.4303 stainless steel and the bottom bar is EN 1.0434 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
110 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 49
12 to 28
Fatigue Strength, MPa 220 to 320
190 to 300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 420 to 540
280 to 330
Tensile Strength: Ultimate (UTS), MPa 590 to 900
390 to 540
Tensile Strength: Yield (Proof), MPa 230 to 560
250 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
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 17
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 46
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
39 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
170 to 540
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
14 to 19
Strength to Weight: Bending, points 20 to 26
15 to 19
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
12 to 17

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.060
0.15 to 0.19
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.8 to 72
98.8 to 99.18
Manganese (Mn), % 0 to 2.0
0.65 to 0.85
Nickel (Ni), % 11 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.025