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EN 1.4034 Stainless Steel vs. S32803 Stainless Steel

Both EN 1.4034 stainless steel and S32803 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4034 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, % 11 to 14
18
Fatigue Strength, MPa 230 to 400
350
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 420 to 540
420
Tensile Strength: Ultimate (UTS), MPa 690 to 900
680
Tensile Strength: Yield (Proof), MPa 390 to 730
560

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
510
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
19
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.7
Embodied Energy, MJ/kg 27
53
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 14
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
120
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
760
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 32
25
Strength to Weight: Bending, points 22 to 27
22
Thermal Diffusivity, mm2/s 8.1
4.4
Thermal Shock Resistance, points 24 to 32
22

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.015
Chromium (Cr), % 12.5 to 14.5
28 to 29
Iron (Fe), % 83 to 87.1
62.9 to 67.1
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.55
Sulfur (S), % 0 to 0.015
0 to 0.0035