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EN 1.6958 Steel vs. S30601 Stainless Steel

Both EN 1.6958 steel and S30601 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.6958 steel and the bottom bar is S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
37
Fatigue Strength, MPa 700
250
Poisson's Ratio 0.29
0.28
Reduction in Area, % 56
56
Shear Modulus, GPa 73
75
Shear Strength, MPa 700
450
Tensile Strength: Ultimate (UTS), MPa 1140
660
Tensile Strength: Yield (Proof), MPa 1070
300

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Maximum Temperature: Mechanical, °C 450
950
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
20
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 2.0
3.9
Embodied Energy, MJ/kg 27
55
Embodied Water, L/kg 60
150

Common Calculations

PREN (Pitting Resistance) 2.9
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
200
Resilience: Unit (Modulus of Resilience), kJ/m3 3050
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
24
Strength to Weight: Bending, points 31
22
Thermal Shock Resistance, points 39
16

Alloy Composition

Aluminum (Al), % 0.0050 to 0.050
0
Carbon (C), % 0.25 to 0.3
0 to 0.015
Chromium (Cr), % 1.2 to 1.7
17 to 18
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 92.6 to 94.5
56.9 to 60.5
Manganese (Mn), % 0.2 to 0.5
0.5 to 0.8
Molybdenum (Mo), % 0.35 to 0.55
0 to 0.2
Nickel (Ni), % 3.3 to 3.8
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0.15 to 0.3
5.0 to 5.6
Sulfur (S), % 0 to 0.015
0 to 0.013
Vanadium (V), % 0 to 0.12
0