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ASTM A285 Carbon Steel vs. S17700 Stainless Steel

Both ASTM A285 carbon steel and S17700 stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
180 to 430
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 30 to 34
1.0 to 23
Fatigue Strength, MPa 150 to 180
290 to 560
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 250 to 290
740 to 940
Tensile Strength: Ultimate (UTS), MPa 380 to 450
1180 to 1650
Tensile Strength: Yield (Proof), MPa 190 to 230
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
890
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420 to 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
15
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 18
40
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 150
460 to 3750
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
42 to 59
Strength to Weight: Bending, points 15 to 17
32 to 40
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 12 to 14
39 to 54