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EN 1.4035 Stainless Steel vs. EN 1.1141 Steel

Both EN 1.4035 stainless steel and EN 1.1141 steel are iron alloys. Both are furnished in the annealed condition. They have 85% of their average alloy composition in common. There are 31 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 1.4035 stainless steel and the bottom bar is EN 1.1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
28
Fatigue Strength, MPa 250
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 430
280
Tensile Strength: Ultimate (UTS), MPa 690
420
Tensile Strength: Yield (Proof), MPa 400
220

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
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 29
51
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 27
18
Embodied Water, L/kg 100
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
99
Resilience: Unit (Modulus of Resilience), kJ/m3 420
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 7.8
14
Thermal Shock Resistance, points 25
13

Alloy Composition

Carbon (C), % 0.43 to 0.5
0.12 to 0.18
Chromium (Cr), % 12.5 to 14
0
Iron (Fe), % 82.1 to 86.9
98.8 to 99.58
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0.15 to 0.35
0 to 0.035