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S15500 Stainless Steel vs. EN 1.4020 Stainless Steel

Both S15500 stainless steel and EN 1.4020 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 29 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 S15500 stainless steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
13 to 34
Fatigue Strength, MPa 350 to 650
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Shear Strength, MPa 540 to 870
510 to 680
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
770 to 1130
Tensile Strength: Yield (Proof), MPa 590 to 1310
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 820
890
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.7
2.5
Embodied Energy, MJ/kg 39
37
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 15
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
28 to 41
Strength to Weight: Bending, points 26 to 37
25 to 32
Thermal Shock Resistance, points 30 to 50
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.15
Chromium (Cr), % 14 to 15.5
16.5 to 19
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
62.8 to 71.8
Manganese (Mn), % 0 to 1.0
11 to 14
Nickel (Ni), % 3.5 to 5.5
0.5 to 2.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030