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ASTM A202 Steel vs. AISI 416 Stainless Steel

Both ASTM A202 steel and AISI 416 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 A202 steel and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
230 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 18
13 to 31
Fatigue Strength, MPa 240
230 to 340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 360 to 410
340 to 480
Tensile Strength: Ultimate (UTS), MPa 590 to 670
510 to 800
Tensile Strength: Yield (Proof), MPa 350 to 360
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 410
680
Melting Completion (Liquidus), °C 1450
1530
Melting Onset (Solidus), °C 1410
1480
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
30
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
27
Embodied Water, L/kg 49
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 96
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 350
220 to 940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 24
18 to 29
Strength to Weight: Bending, points 20 to 22
18 to 25
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 17 to 20
19 to 30

Comparable Variants