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EN 1.4865 Stainless Steel vs. ACI-ASTM CG6MMN Steel

Both EN 1.4865 stainless steel and ACI-ASTM CG6MMN steel are iron alloys. They have 73% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4865 stainless steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 6.8
34
Fatigue Strength, MPa 120
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 470
670
Tensile Strength: Yield (Proof), MPa 250
320

Thermal Properties

Latent Heat of Fusion, J/g 320
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 1020
1080
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 33
22
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.8
4.8
Embodied Energy, MJ/kg 81
68
Embodied Water, L/kg 200
180

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
190
Resilience: Unit (Modulus of Resilience), kJ/m3 160
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 17
22
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.060
Chromium (Cr), % 18 to 21
20.5 to 23.5
Iron (Fe), % 34.4 to 44.7
51.9 to 62.1
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.5
1.5 to 3.0
Nickel (Ni), % 36 to 39
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3