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EN 1.4306 Stainless Steel vs. EN 1.4020 Stainless Steel

Both EN 1.4306 stainless steel and EN 1.4020 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 1.4306 stainless steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
13 to 34
Fatigue Strength, MPa 190 to 330
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 400 to 550
510 to 680
Tensile Strength: Ultimate (UTS), MPa 580 to 900
770 to 1130
Tensile Strength: Yield (Proof), MPa 210 to 570
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
890
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 16
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.2
2.5
Embodied Energy, MJ/kg 45
37
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 20
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 200
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 820
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 32
28 to 41
Strength to Weight: Bending, points 20 to 27
25 to 32
Thermal Shock Resistance, points 13 to 20
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 18 to 20
16.5 to 19
Iron (Fe), % 64.8 to 72
62.8 to 71.8
Manganese (Mn), % 0 to 2.0
11 to 14
Nickel (Ni), % 10 to 12
0.5 to 2.5
Nitrogen (N), % 0 to 0.1
0.2 to 0.45
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030

Comparable Variants