MakeItFrom.com
Menu (ESC)

EN 1.4874 Stainless Steel vs. AISI 309 Stainless Steel

Both EN 1.4874 stainless steel and AISI 309 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 30 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 AISI 309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 6.7
34 to 47
Fatigue Strength, MPa 180
250 to 280
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 480
600 to 710
Tensile Strength: Yield (Proof), MPa 360
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 560
440
Maximum Temperature: Mechanical, °C 1150
980
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
16
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 70
19
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 7.6
3.6
Embodied Energy, MJ/kg 110
51
Embodied Water, L/kg 290
170

Common Calculations

PREN (Pitting Resistance) 34
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 310
170 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
21 to 25
Strength to Weight: Bending, points 16
20 to 23
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 11
14 to 16

Alloy Composition

Carbon (C), % 0.35 to 0.65
0 to 0.2
Chromium (Cr), % 19 to 22
22 to 24
Cobalt (Co), % 18.5 to 22
0
Iron (Fe), % 23 to 38.9
58 to 66
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 18 to 22
12 to 15
Niobium (Nb), % 0.75 to 1.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 2.0 to 3.0
0