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EN 1.4305 Stainless Steel vs. EN 1.4872 Stainless Steel

Both EN 1.4305 stainless steel and EN 1.4872 stainless steel are iron alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4305 stainless steel and the bottom bar is EN 1.4872 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 40
28
Fatigue Strength, MPa 190 to 330
410
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 420 to 550
620
Tensile Strength: Ultimate (UTS), MPa 610 to 900
950
Tensile Strength: Yield (Proof), MPa 220 to 570
560

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 930
1150
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
17
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.0
3.3
Embodied Energy, MJ/kg 42
47
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 19
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
230
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 830
780
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 22 to 32
35
Strength to Weight: Bending, points 20 to 27
28
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 14 to 20
21

Alloy Composition

Carbon (C), % 0 to 0.1
0.2 to 0.3
Chromium (Cr), % 17 to 19
24 to 26
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.4 to 74.9
54.2 to 61.6
Manganese (Mn), % 0 to 2.0
8.0 to 10
Nickel (Ni), % 8.0 to 10
6.0 to 8.0
Nitrogen (N), % 0 to 0.1
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015