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EN 1.4849 Stainless Steel vs. ASTM A372 Grade H Steel

Both EN 1.4849 stainless steel and ASTM A372 grade H steel are iron alloys. They have 40% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 stainless steel and the bottom bar is ASTM A372 grade H steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
20 to 22
Fatigue Strength, MPa 120
310 to 380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 480
650 to 910
Tensile Strength: Yield (Proof), MPa 250
430 to 550

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
45
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 42
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
1.5
Embodied Energy, MJ/kg 100
20
Embodied Water, L/kg 200
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
130 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 160
500 to 810
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
23 to 32
Strength to Weight: Bending, points 17
21 to 27
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 11
19 to 27

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.3 to 0.4
Chromium (Cr), % 18 to 21
0.4 to 0.65
Iron (Fe), % 32.6 to 43.5
97.3 to 98.3
Manganese (Mn), % 0 to 2.0
0.75 to 1.1
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.25
Nickel (Ni), % 36 to 39
0
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 1.0 to 2.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010