MakeItFrom.com
Menu (ESC)

S31277 Stainless Steel vs. EN 1.4945 Stainless Steel

Both S31277 stainless steel and EN 1.4945 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is EN 1.4945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
19 to 34
Fatigue Strength, MPa 380
230 to 350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 600
430 to 460
Tensile Strength: Ultimate (UTS), MPa 860
640 to 740
Tensile Strength: Yield (Proof), MPa 410
290 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
520
Maximum Temperature: Mechanical, °C 1100
920
Melting Completion (Liquidus), °C 1460
1490
Melting Onset (Solidus), °C 1410
1440
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 36
30
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 6.7
5.0
Embodied Energy, MJ/kg 90
73
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 51
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
130 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 410
210 to 760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
22 to 25
Strength to Weight: Bending, points 25
20 to 22
Thermal Shock Resistance, points 19
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.020
0.040 to 0.1
Chromium (Cr), % 20.5 to 23
15.5 to 17.5
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
57.9 to 65.7
Manganese (Mn), % 0 to 3.0
0 to 1.5
Molybdenum (Mo), % 6.5 to 8.0
0
Nickel (Ni), % 26 to 28
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.3 to 0.4
0.060 to 0.14
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0.3 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.015
Tungsten (W), % 0
2.5 to 3.5