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S30815 Stainless Steel vs. ASTM A572 Steel

Both S30815 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 S30815 stainless steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
18 to 25
Fatigue Strength, MPa 320
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 480
300 to 380
Tensile Strength: Ultimate (UTS), MPa 680
470 to 620
Tensile Strength: Yield (Proof), MPa 350
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.6
Embodied Energy, MJ/kg 47
22
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 310
290 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
17 to 22
Strength to Weight: Bending, points 22
17 to 21
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15
14 to 18