MakeItFrom.com
Menu (ESC)

EN 1.4988 Stainless Steel vs. ACI-ASTM CG6MMN Steel

Both EN 1.4988 stainless steel and ACI-ASTM CG6MMN steel are iron alloys. They have 89% 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 1.4988 stainless steel and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 230
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 640
670
Tensile Strength: Yield (Proof), MPa 290
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 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
4.8
Embodied Energy, MJ/kg 89
68
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 22
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
190
Resilience: Unit (Modulus of Resilience), kJ/m3 210
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 14
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), % 62.1 to 69.5
51.9 to 62.1
Manganese (Mn), % 0 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 1.1 to 1.5
1.5 to 3.0
Nickel (Ni), % 12.5 to 14.5
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
Vanadium (V), % 0.6 to 0.85
0.1 to 0.3