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S44735 Stainless Steel vs. EN 1.6958 Steel

Both S44735 stainless steel and EN 1.6958 steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S44735 stainless steel and the bottom bar is EN 1.6958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 21
16
Fatigue Strength, MPa 300
700
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
73
Shear Strength, MPa 390
700
Tensile Strength: Ultimate (UTS), MPa 630
1140
Tensile Strength: Yield (Proof), MPa 460
1070

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
11

Otherwise Unclassified Properties

Base Metal Price, % relative 21
5.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.4
2.0
Embodied Energy, MJ/kg 61
27
Embodied Water, L/kg 180
60

Common Calculations

PREN (Pitting Resistance) 42
2.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
180
Resilience: Unit (Modulus of Resilience), kJ/m3 520
3050
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
40
Strength to Weight: Bending, points 21
31
Thermal Shock Resistance, points 20
39

Alloy Composition

Aluminum (Al), % 0
0.0050 to 0.050
Carbon (C), % 0 to 0.030
0.25 to 0.3
Chromium (Cr), % 28 to 30
1.2 to 1.7
Iron (Fe), % 60.7 to 68.4
92.6 to 94.5
Manganese (Mn), % 0 to 1.0
0.2 to 0.5
Molybdenum (Mo), % 3.6 to 4.2
0.35 to 0.55
Nickel (Ni), % 0 to 1.0
3.3 to 3.8
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0.15 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 1.0
0
Vanadium (V), % 0
0 to 0.12