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S45503 Stainless Steel vs. EN 1.4988 Stainless Steel

Both S45503 stainless steel and EN 1.4988 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S45503 stainless steel and the bottom bar is EN 1.4988 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 410 to 500
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.6 to 6.8
34
Fatigue Strength, MPa 710 to 800
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 940 to 1070
430
Tensile Strength: Ultimate (UTS), MPa 1610 to 1850
640
Tensile Strength: Yield (Proof), MPa 1430 to 1700
290

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 640
520
Maximum Temperature: Mechanical, °C 760
920
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
6.0
Embodied Energy, MJ/kg 48
89
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 13
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 110
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 57 to 65
23
Strength to Weight: Bending, points 39 to 43
21
Thermal Shock Resistance, points 56 to 64
14

Alloy Composition

Carbon (C), % 0 to 0.010
0.040 to 0.1
Chromium (Cr), % 11 to 12.5
15.5 to 17.5
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 72.4 to 78.9
62.1 to 69.5
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
1.1 to 1.5
Nickel (Ni), % 7.5 to 9.5
12.5 to 14.5
Niobium (Nb), % 0.1 to 0.5
0.4 to 1.2
Nitrogen (N), % 0
0.060 to 0.14
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.2
0.3 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 1.0 to 1.4
0
Vanadium (V), % 0
0.6 to 0.85