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EN 1.4020 Stainless Steel vs. EN 1.4369 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.4369 stainless steel are iron alloys. They have a moderately high 93% 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 1.4369 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
40
Fatigue Strength, MPa 340 to 540
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 510 to 680
580
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
850
Tensile Strength: Yield (Proof), MPa 430 to 950
390

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 890
940
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1350
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
14
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.0
Embodied Energy, MJ/kg 37
43
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 23
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
280
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
31
Strength to Weight: Bending, points 25 to 32
26
Thermal Shock Resistance, points 16 to 23
18

Alloy Composition

Carbon (C), % 0 to 0.15
0.070 to 0.15
Chromium (Cr), % 16.5 to 19
17.5 to 19.5
Iron (Fe), % 62.8 to 71.8
63 to 70.2
Manganese (Mn), % 11 to 14
5.0 to 7.5
Nickel (Ni), % 0.5 to 2.5
6.5 to 8.5
Nitrogen (N), % 0.2 to 0.45
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015