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S41003 Stainless Steel vs. EN 1.4742 Stainless Steel

Both S41003 stainless steel and EN 1.4742 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% 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 S41003 stainless steel and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
17
Fatigue Strength, MPa 200
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 320
370
Tensile Strength: Ultimate (UTS), MPa 520
600
Tensile Strength: Yield (Proof), MPa 310
300

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 720
1000
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 27
19
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.9
2.2
Embodied Energy, MJ/kg 27
32
Embodied Water, L/kg 97
130

Common Calculations

PREN (Pitting Resistance) 12
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
84
Resilience: Unit (Modulus of Resilience), kJ/m3 240
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 7.2
5.1
Thermal Shock Resistance, points 19
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 10.5 to 12.5
17 to 19
Iron (Fe), % 83.4 to 89.5
77.2 to 81.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 0 to 1.5
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0.7 to 1.4
Sulfur (S), % 0 to 0.030
0 to 0.015