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S41003 Stainless Steel vs. ASTM A387 Grade 2 Steel

Both S41003 stainless steel and ASTM A387 grade 2 steel are iron alloys. They have 88% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S41003 stainless steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
25
Fatigue Strength, MPa 200
190 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 320
300 to 350
Tensile Strength: Ultimate (UTS), MPa 520
470 to 550
Tensile Strength: Yield (Proof), MPa 310
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
420
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 27
45
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.6
Embodied Energy, MJ/kg 27
20
Embodied Water, L/kg 97
50

Common Calculations

PREN (Pitting Resistance) 12
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
180 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
16 to 20
Strength to Weight: Bending, points 18
17 to 19
Thermal Diffusivity, mm2/s 7.2
12
Thermal Shock Resistance, points 19
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.21
Chromium (Cr), % 10.5 to 12.5
0.5 to 0.8
Iron (Fe), % 83.4 to 89.5
97.1 to 98.3
Manganese (Mn), % 0 to 1.5
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 0 to 1.5
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025