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EN 1.4020 Stainless Steel vs. N08904 Stainless Steel

Both EN 1.4020 stainless steel and N08904 stainless steel are iron alloys. They have 67% 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 N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
38
Fatigue Strength, MPa 340 to 540
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 510 to 680
370
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
540
Tensile Strength: Yield (Proof), MPa 430 to 950
240

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
32
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 2.5
5.8
Embodied Energy, MJ/kg 37
79
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 23
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
170
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
19
Strength to Weight: Bending, points 25 to 32
18
Thermal Shock Resistance, points 16 to 23
12

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.020
Chromium (Cr), % 16.5 to 19
19 to 23
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 62.8 to 71.8
38.8 to 53
Manganese (Mn), % 11 to 14
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0.5 to 2.5
23 to 28
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 to 0.035