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EN 1.1127 Steel vs. S32803 Stainless Steel

Both EN 1.1127 steel and S32803 stainless steel are iron alloys. They have 66% 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 1.1127 steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 230
210
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 14 to 25
18
Fatigue Strength, MPa 280 to 370
350
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 420 to 480
420
Tensile Strength: Ultimate (UTS), MPa 660 to 790
680
Tensile Strength: Yield (Proof), MPa 410 to 580
560

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 49
16
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
19
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
3.7
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 49
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 880
760
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 28
25
Strength to Weight: Bending, points 22 to 24
22
Thermal Diffusivity, mm2/s 13
4.4
Thermal Shock Resistance, points 21 to 25
22

Alloy Composition

Carbon (C), % 0.34 to 0.42
0 to 0.015
Chromium (Cr), % 0 to 0.4
28 to 29
Iron (Fe), % 96.6 to 98.1
62.9 to 67.1
Manganese (Mn), % 1.4 to 1.7
0 to 0.5
Molybdenum (Mo), % 0 to 0.1
1.8 to 2.5
Nickel (Ni), % 0 to 0.4
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.55
Sulfur (S), % 0 to 0.035
0 to 0.0035