MakeItFrom.com
Menu (ESC)

S31277 Stainless Steel vs. ACI-ASTM CN3MN Steel

Both S31277 stainless steel and ACI-ASTM CN3MN steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 27 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 S31277 stainless steel and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
39
Fatigue Strength, MPa 380
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 860
620
Tensile Strength: Yield (Proof), MPa 410
300

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 430
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
460
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
33
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 6.7
6.2
Embodied Energy, MJ/kg 90
84
Embodied Water, L/kg 220
200

Common Calculations

PREN (Pitting Resistance) 51
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
200
Resilience: Unit (Modulus of Resilience), kJ/m3 410
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 20.5 to 23
20 to 22
Copper (Cu), % 0.5 to 1.5
0 to 0.75
Iron (Fe), % 35.5 to 46.2
41.4 to 50.3
Manganese (Mn), % 0 to 3.0
0 to 2.0
Molybdenum (Mo), % 6.5 to 8.0
6.0 to 7.0
Nickel (Ni), % 26 to 28
23.5 to 25.5
Nitrogen (N), % 0.3 to 0.4
0.18 to 0.26
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010