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EN 1.6957 Steel vs. S33228 Stainless Steel

Both EN 1.6957 steel and S33228 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.6957 steel and the bottom bar is S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
34
Fatigue Strength, MPa 530
170
Poisson's Ratio 0.29
0.28
Reduction in Area, % 46
39
Shear Modulus, GPa 73
79
Shear Strength, MPa 570
380
Tensile Strength: Ultimate (UTS), MPa 930
570
Tensile Strength: Yield (Proof), MPa 780
210

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
37
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.1
6.2
Embodied Energy, MJ/kg 29
89
Embodied Water, L/kg 60
220

Common Calculations

PREN (Pitting Resistance) 2.7
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1630
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 33
20
Strength to Weight: Bending, points 27
19
Thermal Shock Resistance, points 27
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0.22 to 0.32
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 1.2 to 1.8
26 to 28
Iron (Fe), % 92.7 to 94.7
36.5 to 42.3
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 3.4 to 4.0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.15
0 to 0.3
Sulfur (S), % 0 to 0.0070
0 to 0.015
Vanadium (V), % 0.050 to 0.15
0