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EN 1.4020 Stainless Steel vs. EN 1.4597 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.4597 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is EN 1.4597 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 34
45
Fatigue Strength, MPa 340 to 540
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 510 to 680
470
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
680
Tensile Strength: Yield (Proof), MPa 430 to 950
330

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 890
860
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1350
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.5
Embodied Energy, MJ/kg 37
36
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 23
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
250
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
25
Strength to Weight: Bending, points 25 to 32
22
Thermal Shock Resistance, points 16 to 23
15

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 16.5 to 19
15 to 18
Copper (Cu), % 0
2.0 to 3.5
Iron (Fe), % 62.8 to 71.8
63 to 76.4
Manganese (Mn), % 11 to 14
6.5 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0.5 to 2.5
0 to 3.0
Nitrogen (N), % 0.2 to 0.45
0.1 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030