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EN 1.4307 Stainless Steel vs. SAE-AISI 1141 Steel

Both EN 1.4307 stainless steel and SAE-AISI 1141 steel are iron alloys. They have 72% 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 1.4307 stainless steel and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 270
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 46
11 to 17
Fatigue Strength, MPa 190 to 320
270 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 410 to 550
460 to 480
Tensile Strength: Ultimate (UTS), MPa 590 to 900
740 to 810
Tensile Strength: Yield (Proof), MPa 200 to 570
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
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 2.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 810
430 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
26 to 29
Strength to Weight: Bending, points 20 to 27
23 to 25
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.37 to 0.45
Chromium (Cr), % 17.5 to 19.5
0
Iron (Fe), % 66.8 to 74.5
97.7 to 98.2
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Nickel (Ni), % 8.0 to 10.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13