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S45000 Stainless Steel vs. EN 1.4451 Stainless Steel

Both S45000 stainless steel and EN 1.4451 stainless steel are iron alloys. They have 85% 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 EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8 to 14
25
Fatigue Strength, MPa 330 to 650
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
750
Tensile Strength: Yield (Proof), MPa 580 to 1310
540

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 840
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 11
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 39
53
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 17
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
170
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
710
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 35 to 50
27
Strength to Weight: Bending, points 28 to 36
23
Thermal Diffusivity, mm2/s 4.5
4.5
Thermal Shock Resistance, points 33 to 47
16

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 14 to 16
25 to 27
Copper (Cu), % 1.3 to 1.8
2.8 to 3.5
Iron (Fe), % 72.1 to 79.3
56.2 to 64.6
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.5 to 1.0
2.5 to 3.5
Nickel (Ni), % 5.0 to 7.0
5.0 to 7.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025