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S42030 Stainless Steel vs. ASTM A356 Grade 5

Both S42030 stainless steel and ASTM A356 grade 5 are iron alloys. They have 83% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S42030 stainless steel and the bottom bar is ASTM A356 grade 5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16
25
Fatigue Strength, MPa 250
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 670
550
Tensile Strength: Yield (Proof), MPa 410
310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 780
420
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 28
49
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 34
20
Embodied Water, L/kg 110
49

Common Calculations

PREN (Pitting Resistance) 20
2.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
120
Resilience: Unit (Modulus of Resilience), kJ/m3 440
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 7.7
13
Thermal Shock Resistance, points 24
16

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.25
Chromium (Cr), % 12 to 14
0.4 to 0.7
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 77.6 to 85
97.1 to 99.2
Manganese (Mn), % 0 to 1.0
0 to 0.7
Molybdenum (Mo), % 1.0 to 3.0
0.4 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030