MakeItFrom.com
Menu (ESC)

AISI 431 Stainless Steel vs. EN 1.0303 Steel

Both AISI 431 stainless steel and EN 1.0303 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 (4, in this case) are not shown.

For each property being compared, the top bar is AISI 431 stainless steel and the bottom bar is EN 1.0303 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
84 to 120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 17
12 to 25
Fatigue Strength, MPa 430 to 610
150 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 550 to 840
220 to 260
Tensile Strength: Ultimate (UTS), MPa 890 to 1380
290 to 410
Tensile Strength: Yield (Proof), MPa 710 to 1040
200 to 320

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 850
400
Melting Completion (Liquidus), °C 1510
1470
Melting Onset (Solidus), °C 1450
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 31
18
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 180
30 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 1270 to 2770
110 to 270
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 50
10 to 15
Strength to Weight: Bending, points 27 to 36
12 to 16
Thermal Diffusivity, mm2/s 7.0
14
Thermal Shock Resistance, points 28 to 43
9.2 to 13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.2
0.020 to 0.060
Chromium (Cr), % 15 to 17
0
Iron (Fe), % 78.2 to 83.8
99.335 to 99.71
Manganese (Mn), % 0 to 1.0
0.25 to 0.4
Nickel (Ni), % 1.3 to 2.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.025