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S30601 Stainless Steel vs. EN 1.7221 Steel

Both S30601 stainless steel and EN 1.7221 steel are iron alloys. They have 61% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S30601 stainless steel and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 37
11 to 17
Fatigue Strength, MPa 250
290 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 660
650 to 780
Tensile Strength: Yield (Proof), MPa 300
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 950
420
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.4
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 55
20
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 230
490 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23 to 27
Strength to Weight: Bending, points 22
21 to 24
Thermal Shock Resistance, points 16
19 to 23

Alloy Composition

Carbon (C), % 0 to 0.015
0.22 to 0.29
Chromium (Cr), % 17 to 18
0.8 to 1.2
Copper (Cu), % 0 to 0.35
0
Iron (Fe), % 56.9 to 60.5
96.8 to 98.3
Manganese (Mn), % 0.5 to 0.8
0.5 to 0.8
Molybdenum (Mo), % 0 to 0.2
0.15 to 0.3
Nickel (Ni), % 17 to 18
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 5.0 to 5.6
0 to 0.6
Sulfur (S), % 0 to 0.013
0 to 0.030