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AISI 415 Stainless Steel vs. ASTM A572 Steel

Both AISI 415 stainless steel and ASTM A572 steel are iron alloys. 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 415 stainless steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
18 to 25
Fatigue Strength, MPa 430
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 550
300 to 380
Tensile Strength: Ultimate (UTS), MPa 900
470 to 620
Tensile Strength: Yield (Proof), MPa 700
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 780
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
51
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
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.6
Embodied Energy, MJ/kg 35
22
Embodied Water, L/kg 110
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1250
290 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
17 to 22
Strength to Weight: Bending, points 26
17 to 21
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 33
14 to 18