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EN 1.4594 Stainless Steel vs. ASTM A372 Grade H Steel

Both EN 1.4594 stainless steel and ASTM A372 grade H steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 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 EN 1.4594 stainless steel and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
20 to 22
Fatigue Strength, MPa 490 to 620
310 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 620 to 700
410 to 570
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
650 to 910
Tensile Strength: Yield (Proof), MPa 810 to 1140
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
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 15
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 130
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
500 to 810
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 41
23 to 32
Strength to Weight: Bending, points 29 to 31
21 to 27
Thermal Diffusivity, mm2/s 4.4
12
Thermal Shock Resistance, points 34 to 39
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.070
0.3 to 0.4
Chromium (Cr), % 13 to 15
0.4 to 0.65
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 72.6 to 79.5
97.3 to 98.3
Manganese (Mn), % 0 to 1.0
0.75 to 1.1
Molybdenum (Mo), % 1.2 to 2.0
0.15 to 0.25
Nickel (Ni), % 5.0 to 6.0
0
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010

Comparable Variants