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EN 1.4837 Stainless Steel vs. ACI-ASTM CH10 Steel

Both EN 1.4837 stainless steel and ACI-ASTM CH10 steel are iron alloys. They have a very high 97% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4837 stainless steel and the bottom bar is ACI-ASTM CH10 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
34
Fatigue Strength, MPa 120
180
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 500
540
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Corrosion, °C 440
440
Maximum Temperature: Mechanical, °C 1050
1100
Melting Completion (Liquidus), °C 1390
1410
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
20
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
3.7
Embodied Energy, MJ/kg 53
53
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 26
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
19
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.7
3.9
Thermal Shock Resistance, points 11
12

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.1
Chromium (Cr), % 24 to 27
22 to 26
Iron (Fe), % 53.4 to 63.7
54.8 to 66
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 11 to 14
12 to 15
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040