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EN 1.4303 Stainless Steel vs. S45500 Stainless Steel

Both EN 1.4303 stainless steel and S45500 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4303 stainless steel and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
280 to 500
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 49
3.4 to 11
Fatigue Strength, MPa 220 to 320
570 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 420 to 540
790 to 1090
Tensile Strength: Ultimate (UTS), MPa 590 to 900
1370 to 1850
Tensile Strength: Yield (Proof), MPa 230 to 560
1240 to 1700

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
620
Maximum Temperature: Mechanical, °C 940
760
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 17
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
3.8
Embodied Energy, MJ/kg 46
57
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 19
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
45 to 190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
48 to 65
Strength to Weight: Bending, points 20 to 26
35 to 42
Thermal Shock Resistance, points 13 to 20
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.050
Chromium (Cr), % 17 to 19
11 to 12.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 64.8 to 72
71.5 to 79.2
Manganese (Mn), % 0 to 2.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 11 to 13
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4

Comparable Variants