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S40977 Stainless Steel vs. EN 1.4035 Stainless Steel

Both S40977 stainless steel and EN 1.4035 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 97% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S40977 stainless steel and the bottom bar is EN 1.4035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
18
Fatigue Strength, MPa 200
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 320
430
Tensile Strength: Ultimate (UTS), MPa 510
690
Tensile Strength: Yield (Proof), MPa 310
400

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Corrosion, °C 390
380
Maximum Temperature: Mechanical, °C 720
760
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
29
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 27
27
Embodied Water, L/kg 97
100

Common Calculations

PREN (Pitting Resistance) 12
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
420
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
25
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 6.7
7.8
Thermal Shock Resistance, points 18
25

Alloy Composition

Carbon (C), % 0 to 0.030
0.43 to 0.5
Chromium (Cr), % 10.5 to 12.5
12.5 to 14
Iron (Fe), % 83.9 to 89.2
82.1 to 86.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 0.3 to 1.0
0
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
0.15 to 0.35