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ASTM A372 Grade H Steel vs. SAE-AISI 1212 Steel

Both ASTM A372 grade H steel and SAE-AISI 1212 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade H steel and the bottom bar is SAE-AISI 1212 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
140 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 22
11 to 28
Fatigue Strength, MPa 310 to 380
200 to 290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 410 to 570
280 to 370
Tensile Strength: Ultimate (UTS), MPa 650 to 910
440 to 620
Tensile Strength: Yield (Proof), MPa 430 to 550
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 20
18
Embodied Water, L/kg 49
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
64 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
180 to 560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 32
15 to 22
Strength to Weight: Bending, points 21 to 27
16 to 20
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 19 to 27
14 to 20

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.13
Chromium (Cr), % 0.4 to 0.65
0
Iron (Fe), % 97.3 to 98.3
98.5 to 99.07
Manganese (Mn), % 0.75 to 1.1
0.7 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.015
0.070 to 0.12
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.010
0.16 to 0.23

Comparable Variants