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AISI 317 Stainless Steel vs. ASTM A572 Steel

Both AISI 317 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 (2, in this case) are not shown.

For each property being compared, the top bar is AISI 317 stainless steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 220
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 35 to 55
18 to 25
Fatigue Strength, MPa 250 to 330
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 420 to 470
300 to 380
Tensile Strength: Ultimate (UTS), MPa 580 to 710
470 to 620
Tensile Strength: Yield (Proof), MPa 250 to 420
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 590
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.6
Embodied Energy, MJ/kg 59
22
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 260
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 430
290 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 25
17 to 22
Strength to Weight: Bending, points 20 to 22
17 to 21
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 12 to 15
14 to 18