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S45000 Stainless Steel vs. AISI 434 Stainless Steel

Both S45000 stainless steel and AISI 434 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 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 S45000 stainless steel and the bottom bar is AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8 to 14
24
Fatigue Strength, MPa 330 to 650
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 590 to 830
330
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
520
Tensile Strength: Yield (Proof), MPa 580 to 1310
320

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 840
880
Melting Completion (Liquidus), °C 1440
1510
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
25
Thermal Expansion, µm/m-K 11
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.4
Embodied Energy, MJ/kg 39
33
Embodied Water, L/kg 130
120

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 50
19
Strength to Weight: Bending, points 28 to 36
18
Thermal Diffusivity, mm2/s 4.5
6.7
Thermal Shock Resistance, points 33 to 47
19

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.12
Chromium (Cr), % 14 to 16
16 to 18
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
78.6 to 83.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.5 to 1.0
0.75 to 1.3
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 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030