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ASTM A372 Grade C Steel vs. AISI 301L Stainless Steel

Both ASTM A372 grade C steel and AISI 301L stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 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 ASTM A372 grade C steel and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
22 to 50
Fatigue Strength, MPa 290
240 to 530
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 440
440 to 660
Tensile Strength: Ultimate (UTS), MPa 710
620 to 1040
Tensile Strength: Yield (Proof), MPa 430
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
890
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 46
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 500
160 to 1580
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
22 to 37
Strength to Weight: Bending, points 23
21 to 29
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 22
14 to 24

Alloy Composition

Carbon (C), % 0 to 0.48
0 to 0.030
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 97.5 to 99.85
70.7 to 78
Manganese (Mn), % 0 to 1.7
0 to 2.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030