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EN 1.4618 Stainless Steel vs. EN 1.4874 Stainless Steel

Both EN 1.4618 stainless steel and EN 1.4874 stainless steel are iron alloys. They have 55% 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 1.4618 stainless steel and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
140
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 51
6.7
Fatigue Strength, MPa 240 to 250
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 680 to 700
480
Tensile Strength: Yield (Proof), MPa 250 to 260
360

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 900
1150
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
70
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.7
7.6
Embodied Energy, MJ/kg 39
110
Embodied Water, L/kg 150
290

Common Calculations

PREN (Pitting Resistance) 19
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
29
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 25
16
Strength to Weight: Bending, points 22 to 23
16
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 15 to 16
11

Alloy Composition

Carbon (C), % 0 to 0.1
0.35 to 0.65
Chromium (Cr), % 16.5 to 18.5
19 to 22
Cobalt (Co), % 0
18.5 to 22
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 62.7 to 72.5
23 to 38.9
Manganese (Mn), % 5.5 to 9.5
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 4.5 to 5.5
18 to 22
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.070
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tungsten (W), % 0
2.0 to 3.0