MakeItFrom.com
Menu (ESC)

S31277 Stainless Steel vs. EN 1.1221 Steel

Both S31277 stainless steel and EN 1.1221 steel are iron alloys. They have 42% of their average alloy composition in common. There are 26 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 S31277 stainless steel and the bottom bar is EN 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
10 to 21
Fatigue Strength, MPa 380
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
72
Shear Strength, MPa 600
450 to 520
Tensile Strength: Ultimate (UTS), MPa 860
730 to 870
Tensile Strength: Yield (Proof), MPa 410
390 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.1
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.5
Embodied Energy, MJ/kg 90
19
Embodied Water, L/kg 220
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 410
410 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
26 to 31
Strength to Weight: Bending, points 25
23 to 26
Thermal Shock Resistance, points 19
23 to 28

Alloy Composition

Carbon (C), % 0 to 0.020
0.57 to 0.65
Chromium (Cr), % 20.5 to 23
0 to 0.4
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
97.1 to 98.8
Manganese (Mn), % 0 to 3.0
0.6 to 0.9
Molybdenum (Mo), % 6.5 to 8.0
0 to 0.1
Nickel (Ni), % 26 to 28
0 to 0.4
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035