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S30441 Stainless Steel vs. EN 1.1141 Steel

Both S30441 stainless steel and EN 1.1141 steel are iron alloys. Both are furnished in the annealed condition. They have 68% 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 S30441 stainless steel and the bottom bar is EN 1.1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
28
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 400
280
Tensile Strength: Ultimate (UTS), MPa 580
420
Tensile Strength: Yield (Proof), MPa 230
220

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 50
18
Embodied Water, L/kg 150
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
99
Resilience: Unit (Modulus of Resilience), kJ/m3 140
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
15
Strength to Weight: Bending, points 20
16
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.12 to 0.18
Chromium (Cr), % 17.5 to 19.5
0
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 62 to 71.7
98.8 to 99.58
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Nickel (Ni), % 8.0 to 10.5
0
Niobium (Nb), % 0.1 to 0.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Tungsten (W), % 0.2 to 0.8
0