MakeItFrom.com
Menu (ESC)

EN 1.4945 Stainless Steel vs. ACI-ASTM CG6MMN Steel

Both EN 1.4945 stainless steel and ACI-ASTM CG6MMN steel are iron alloys. They have 88% 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 1.4945 stainless steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 19 to 34
34
Fatigue Strength, MPa 230 to 350
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 640 to 740
670
Tensile Strength: Yield (Proof), MPa 290 to 550
320

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
460
Maximum Temperature: Mechanical, °C 920
1080
Melting Completion (Liquidus), °C 1490
1420
Melting Onset (Solidus), °C 1440
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 30
22
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.0
4.8
Embodied Energy, MJ/kg 73
68
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 180
190
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 760
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
24
Strength to Weight: Bending, points 20 to 22
22
Thermal Shock Resistance, points 14 to 16
14

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.060
Chromium (Cr), % 15.5 to 17.5
20.5 to 23.5
Iron (Fe), % 57.9 to 65.7
51.9 to 62.1
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 15.5 to 17.5
11.5 to 13.5
Niobium (Nb), % 0.4 to 1.2
0.1 to 0.3
Nitrogen (N), % 0.060 to 0.14
0.2 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 2.5 to 3.5
0
Vanadium (V), % 0
0.1 to 0.3