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S35000 Stainless Steel vs. ASTM A372 Grade K Steel

Both S35000 stainless steel and ASTM A372 grade K steel are iron alloys. They have 80% of their average alloy composition in common. 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 S35000 stainless steel and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.3 to 14
23
Fatigue Strength, MPa 380 to 520
440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 740 to 950
490
Tensile Strength: Ultimate (UTS), MPa 1300 to 1570
780
Tensile Strength: Yield (Proof), MPa 660 to 1160
620

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 900
440
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.8
Embodied Energy, MJ/kg 44
24
Embodied Water, L/kg 130
57

Common Calculations

PREN (Pitting Resistance) 28
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 170
160
Resilience: Unit (Modulus of Resilience), kJ/m3 1070 to 3360
1010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 46 to 56
27
Strength to Weight: Bending, points 34 to 38
24
Thermal Diffusivity, mm2/s 4.4
13
Thermal Shock Resistance, points 42 to 51
23

Alloy Composition

Carbon (C), % 0.070 to 0.11
0 to 0.18
Chromium (Cr), % 16 to 17
1.0 to 1.8
Iron (Fe), % 72.7 to 76.9
93.4 to 96.6
Manganese (Mn), % 0.5 to 1.3
0.1 to 0.4
Molybdenum (Mo), % 2.5 to 3.2
0.2 to 0.6
Nickel (Ni), % 4.0 to 5.0
2.0 to 3.3
Nitrogen (N), % 0.070 to 0.13
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010