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EN 1.4874 Stainless Steel vs. EN 1.4470 Stainless Steel

Both EN 1.4874 stainless steel and EN 1.4470 stainless steel are iron alloys. They have 61% 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 1.4874 stainless steel and the bottom bar is EN 1.4470 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
23
Fatigue Strength, MPa 180
320
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 480
680
Tensile Strength: Yield (Proof), MPa 360
480

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 560
430
Maximum Temperature: Mechanical, °C 1150
1060
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 13
18
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 70
17
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
3.6
Embodied Energy, MJ/kg 110
49
Embodied Water, L/kg 290
160

Common Calculations

PREN (Pitting Resistance) 34
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
140
Resilience: Unit (Modulus of Resilience), kJ/m3 310
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 3.3
4.8
Thermal Shock Resistance, points 11
18

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.030
Chromium (Cr), % 19 to 22
21 to 23
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
63.7 to 71.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
2.5 to 3.5
Nickel (Ni), % 18 to 22
4.5 to 6.5
Niobium (Nb), % 0.75 to 1.3
0
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 2.0 to 3.0
0