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ASTM A372 Grade H Steel vs. EN 1.4319 Stainless Steel

Both ASTM A372 grade H steel and EN 1.4319 stainless steel are iron alloys. They have 76% 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 ASTM A372 grade H steel and the bottom bar is EN 1.4319 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 280
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 22
51
Fatigue Strength, MPa 310 to 380
240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 410 to 570
460
Tensile Strength: Ultimate (UTS), MPa 650 to 910
640
Tensile Strength: Yield (Proof), MPa 430 to 550
250

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
890
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
39
Embodied Water, L/kg 49
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 160
260
Resilience: Unit (Modulus of Resilience), kJ/m3 500 to 810
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 32
23
Strength to Weight: Bending, points 21 to 27
21
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 19 to 27
14

Alloy Composition

Carbon (C), % 0.3 to 0.4
0 to 0.070
Chromium (Cr), % 0.4 to 0.65
16 to 18
Iron (Fe), % 97.3 to 98.3
70.8 to 78
Manganese (Mn), % 0.75 to 1.1
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030