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S45000 Stainless Steel vs. ASTM A372 Grade H Steel

Both S45000 stainless steel and ASTM A372 grade H steel are iron alloys. They have 77% of their average alloy composition in common. 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 S45000 stainless steel and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
20 to 22
Fatigue Strength, MPa 330 to 650
310 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 590 to 830
410 to 570
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
650 to 910
Tensile Strength: Yield (Proof), MPa 580 to 1310
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
500 to 810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
23 to 32
Strength to Weight: Bending, points 28 to 36
21 to 27
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 33 to 47
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.050
0.3 to 0.4
Chromium (Cr), % 14 to 16
0.4 to 0.65
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
97.3 to 98.3
Manganese (Mn), % 0 to 1.0
0.75 to 1.1
Molybdenum (Mo), % 0.5 to 1.0
0.15 to 0.25
Nickel (Ni), % 5.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010

Comparable Variants