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EN 1.4903 Stainless Steel vs. EN 1.4852 Stainless Steel

Both EN 1.4903 stainless steel and EN 1.4852 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4903 stainless steel and the bottom bar is EN 1.4852 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 21
4.6
Fatigue Strength, MPa 320 to 330
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 670 to 680
490
Tensile Strength: Yield (Proof), MPa 500
250

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Corrosion, °C 380
620
Maximum Temperature: Mechanical, °C 650
1100
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
13
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
41
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.6
6.9
Embodied Energy, MJ/kg 36
100
Embodied Water, L/kg 88
220

Common Calculations

PREN (Pitting Resistance) 13
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
19
Resilience: Unit (Modulus of Resilience), kJ/m3 650
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 7.0
3.4
Thermal Shock Resistance, points 23
11

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0.3 to 0.5
Chromium (Cr), % 8.0 to 9.5
24 to 27
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.1 to 90.5
29.6 to 40.9
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.85 to 1.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
33 to 36
Niobium (Nb), % 0.060 to 0.1
0.8 to 1.8
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.18 to 0.25
0