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S21603 Stainless Steel vs. ASTM A372 Grade J Steel

Both S21603 stainless steel and ASTM A372 grade J steel are iron alloys. They have 65% of their average alloy composition in common. 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 A372 grade J steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
17 to 22
Fatigue Strength, MPa 360
310 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 490
410 to 630
Tensile Strength: Ultimate (UTS), MPa 690
650 to 1020
Tensile Strength: Yield (Proof), MPa 390
430 to 850

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
420
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
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 50
20
Embodied Water, L/kg 160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 380
500 to 1930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
23 to 36
Strength to Weight: Bending, points 22
21 to 29
Thermal Shock Resistance, points 15
19 to 30

Alloy Composition

Carbon (C), % 0 to 0.030
0.35 to 0.5
Chromium (Cr), % 17.5 to 22
0.8 to 1.2
Iron (Fe), % 57.6 to 67.8
96.7 to 97.8
Manganese (Mn), % 7.5 to 9.0
0.75 to 1.1
Molybdenum (Mo), % 2.0 to 3.0
0.15 to 0.25
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010