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ASTM A588 Steel vs. AISI 201LN Stainless Steel

Both ASTM A588 steel and AISI 201LN stainless 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 ASTM A588 steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
25 to 51
Fatigue Strength, MPa 270
340 to 540
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 350
530 to 680
Tensile Strength: Ultimate (UTS), MPa 550
740 to 1060
Tensile Strength: Yield (Proof), MPa 390
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
280
Maximum Temperature: Mechanical, °C 410
880
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410 to 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43 to 44
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 2.5
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
2.6
Embodied Energy, MJ/kg 20 to 22
38
Embodied Water, L/kg 50 to 51
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 400
310 to 1520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
27 to 38
Strength to Weight: Bending, points 19
24 to 30
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 16
16 to 23