MakeItFrom.com
Menu (ESC)

EN 1.4903 Stainless Steel vs. S32803 Stainless Steel

Both EN 1.4903 stainless steel and S32803 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 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 S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20 to 21
18
Fatigue Strength, MPa 320 to 330
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
81
Shear Strength, MPa 420
420
Tensile Strength: Ultimate (UTS), MPa 670 to 680
680
Tensile Strength: Yield (Proof), MPa 500
560

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 380
510
Maximum Temperature: Mechanical, °C 650
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 4.0
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
19
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.6
3.7
Embodied Energy, MJ/kg 36
53
Embodied Water, L/kg 88
180

Common Calculations

PREN (Pitting Resistance) 13
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 650
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 7.0
4.4
Thermal Shock Resistance, points 23
22

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.12
0 to 0.015
Chromium (Cr), % 8.0 to 9.5
28 to 29
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 87.1 to 90.5
62.9 to 67.1
Manganese (Mn), % 0.3 to 0.6
0 to 0.5
Molybdenum (Mo), % 0.85 to 1.1
1.8 to 2.5
Nickel (Ni), % 0 to 0.4
3.0 to 4.0
Niobium (Nb), % 0.060 to 0.1
0.15 to 0.5
Nitrogen (N), % 0.030 to 0.070
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.55
Sulfur (S), % 0 to 0.015
0 to 0.0035
Vanadium (V), % 0.18 to 0.25
0