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EN 1.4313 Stainless Steel vs. EN 1.4020 Stainless Steel

Both EN 1.4313 stainless steel and EN 1.4020 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4313 stainless steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 12 to 17
13 to 34
Fatigue Strength, MPa 340 to 510
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 460 to 600
510 to 680
Tensile Strength: Ultimate (UTS), MPa 750 to 1000
770 to 1130
Tensile Strength: Yield (Proof), MPa 580 to 910
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 780
890
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.4
2.5
Embodied Energy, MJ/kg 34
37
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 15
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 870 to 2100
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 36
28 to 41
Strength to Weight: Bending, points 23 to 28
25 to 32
Thermal Shock Resistance, points 27 to 36
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 12 to 14
16.5 to 19
Iron (Fe), % 78.5 to 84.2
62.8 to 71.8
Manganese (Mn), % 0 to 1.5
11 to 14
Molybdenum (Mo), % 0.3 to 0.7
0
Nickel (Ni), % 3.5 to 4.5
0.5 to 2.5
Nitrogen (N), % 0 to 0.020
0.2 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030