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EN 1.4020 Stainless Steel vs. EN 1.4305 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.4305 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 1.4305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
14 to 40
Fatigue Strength, MPa 340 to 540
190 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 510 to 680
420 to 550
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
610 to 900
Tensile Strength: Yield (Proof), MPa 430 to 950
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 890
930
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.0
Embodied Energy, MJ/kg 37
42
Embodied Water, L/kg 150
140

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
120 to 830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
22 to 32
Strength to Weight: Bending, points 25 to 32
20 to 27
Thermal Shock Resistance, points 16 to 23
14 to 20

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 16.5 to 19
17 to 19
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 62.8 to 71.8
66.4 to 74.9
Manganese (Mn), % 11 to 14
0 to 2.0
Nickel (Ni), % 0.5 to 2.5
8.0 to 10
Nitrogen (N), % 0.2 to 0.45
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35

Comparable Variants