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AISI 301 Stainless Steel vs. ASTM A356 Grade 5

Both AISI 301 stainless steel and ASTM A356 grade 5 are iron alloys. They have 76% of their average alloy composition in common. There are 31 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 AISI 301 stainless steel and the bottom bar is ASTM A356 grade 5.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 440
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 7.4 to 46
25
Fatigue Strength, MPa 210 to 600
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 590 to 1460
550
Tensile Strength: Yield (Proof), MPa 230 to 1080
310

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
420
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
49

Common Calculations

PREN (Pitting Resistance) 18
2.2
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 300
120
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 2970
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 52
20
Strength to Weight: Bending, points 20 to 37
19
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12 to 31
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.25
Chromium (Cr), % 16 to 18
0.4 to 0.7
Iron (Fe), % 70.7 to 78
97.1 to 99.2
Manganese (Mn), % 0 to 2.0
0 to 0.7
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030