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AISI 321H Stainless Steel vs. ASTM A210 Steel

Both AISI 321H stainless steel and ASTM A210 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 AISI 321H stainless steel and the bottom bar is ASTM A210 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
34
Fatigue Strength, MPa 200
230 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
320 to 360
Tensile Strength: Ultimate (UTS), MPa 580
470 to 540
Tensile Strength: Yield (Proof), MPa 230
290 to 310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
400
Melting Completion (Liquidus), °C 1430
1460 to 1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52 to 53
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.0 to 8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 46
18
Embodied Water, L/kg 140
45 to 46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17 to 19
Strength to Weight: Bending, points 20
17 to 19
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 12
15 to 17