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S40977 Stainless Steel vs. EN 1.4057 Stainless Steel

Both S40977 stainless steel and EN 1.4057 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
11 to 17
Fatigue Strength, MPa 200
320 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 320
520 to 580
Tensile Strength: Ultimate (UTS), MPa 510
840 to 980
Tensile Strength: Yield (Proof), MPa 310
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
400
Maximum Temperature: Mechanical, °C 720
850
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.2
Embodied Energy, MJ/kg 27
32
Embodied Water, L/kg 97
120

Common Calculations

PREN (Pitting Resistance) 12
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 250
700 to 1610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
30 to 35
Strength to Weight: Bending, points 18
26 to 28
Thermal Diffusivity, mm2/s 6.7
6.7
Thermal Shock Resistance, points 18
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.030
0.12 to 0.22
Chromium (Cr), % 10.5 to 12.5
15 to 17
Iron (Fe), % 83.9 to 89.2
77.7 to 83.4
Manganese (Mn), % 0 to 1.5
0 to 1.5
Nickel (Ni), % 0.3 to 1.0
1.5 to 2.5
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015