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EN 1.4020 Stainless Steel vs. S44725 Stainless Steel

Both EN 1.4020 stainless steel and S44725 stainless steel are iron alloys. They have 85% 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 S44725 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
22
Fatigue Strength, MPa 340 to 540
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 510 to 680
320
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
500
Tensile Strength: Yield (Proof), MPa 430 to 950
310

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 2.5
3.1
Embodied Energy, MJ/kg 37
44
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 23
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
99
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
240
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
18
Strength to Weight: Bending, points 25 to 32
18
Thermal Shock Resistance, points 16 to 23
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.015
Chromium (Cr), % 16.5 to 19
25 to 28.5
Iron (Fe), % 62.8 to 71.8
67.6 to 73.5
Manganese (Mn), % 11 to 14
0 to 0.4
Molybdenum (Mo), % 0
1.5 to 2.5
Nickel (Ni), % 0.5 to 2.5
0 to 0.3
Niobium (Nb), % 0
0 to 0.26
Nitrogen (N), % 0.2 to 0.45
0 to 0.018
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.040
Sulfur (S), % 0 to 0.030
0 to 0.020
Titanium (Ti), % 0
0 to 0.26