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EN 1.4550 Stainless Steel vs. SAE-AISI 1132 Steel

Both EN 1.4550 stainless steel and SAE-AISI 1132 steel are iron alloys. They have 71% 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 1.4550 stainless steel and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
14 to 18
Fatigue Strength, MPa 210
240 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 430
400 to 440
Tensile Strength: Ultimate (UTS), MPa 620
640 to 720
Tensile Strength: Yield (Proof), MPa 230
350 to 590

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 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 140
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 140
330 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
23 to 25
Strength to Weight: Bending, points 21
21 to 23
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.080
0.24 to 0.34
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 64.9 to 74
97.8 to 98.3
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Nickel (Ni), % 9.0 to 12
0
Niobium (Nb), % 0 to 1.0
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