MakeItFrom.com
Menu (ESC)

S45000 Stainless Steel vs. SAE-AISI 1045 Steel

Both S45000 stainless steel and SAE-AISI 1045 steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 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 S45000 stainless steel and the bottom bar is SAE-AISI 1045 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
180 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
13 to 18
Fatigue Strength, MPa 330 to 650
220 to 370
Poisson's Ratio 0.28
0.29
Reduction in Area, % 22 to 50
40 to 51
Shear Modulus, GPa 76
72
Shear Strength, MPa 590 to 830
380 to 410
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
620 to 680
Tensile Strength: Yield (Proof), MPa 580 to 1310
330 to 580

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
84 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
300 to 900
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
22 to 24
Strength to Weight: Bending, points 28 to 36
21 to 22
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 33 to 47
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.050
0.43 to 0.5
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
98.5 to 99
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Molybdenum (Mo), % 0.5 to 1.0
0
Nickel (Ni), % 5.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050