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EN 1.4872 Stainless Steel vs. EN 1.4303 Stainless Steel

Both EN 1.4872 stainless steel and EN 1.4303 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is EN 1.4303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
13 to 49
Fatigue Strength, MPa 410
220 to 320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 620
420 to 540
Tensile Strength: Ultimate (UTS), MPa 950
590 to 900
Tensile Strength: Yield (Proof), MPa 560
230 to 560

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1150
940
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1340
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 17
17
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.2
Embodied Energy, MJ/kg 47
46
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 30
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
110 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 780
140 to 800
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
21 to 32
Strength to Weight: Bending, points 28
20 to 26
Thermal Diffusivity, mm2/s 3.9
4.0
Thermal Shock Resistance, points 21
13 to 20

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.060
Chromium (Cr), % 24 to 26
17 to 19
Iron (Fe), % 54.2 to 61.6
64.8 to 72
Manganese (Mn), % 8.0 to 10
0 to 2.0
Nickel (Ni), % 6.0 to 8.0
11 to 13
Nitrogen (N), % 0.2 to 0.4
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 0.015
0 to 0.015