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S21603 Stainless Steel vs. ASTM A225 Steel

Both S21603 stainless steel and ASTM A225 steel are iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
21 to 23
Fatigue Strength, MPa 360
330 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 490
390 to 520
Tensile Strength: Ultimate (UTS), MPa 690
620 to 830
Tensile Strength: Yield (Proof), MPa 390
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.8
Embodied Energy, MJ/kg 50
24 to 25
Embodied Water, L/kg 160
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 380
580 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
22 to 29
Strength to Weight: Bending, points 22
21 to 25
Thermal Shock Resistance, points 15
18 to 24