MakeItFrom.com
Menu (ESC)

ACI-ASTM CA6NM Steel vs. S15500 Stainless Steel

Both ACI-ASTM CA6NM steel and S15500 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6NM steel and the bottom bar is S15500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
290 to 430
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
6.8 to 16
Fatigue Strength, MPa 380
350 to 650
Poisson's Ratio 0.28
0.28
Reduction in Area, % 40
17 to 40
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 850
890 to 1490
Tensile Strength: Yield (Proof), MPa 620
590 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 770
820
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
17
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.7
Embodied Energy, MJ/kg 34
39
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 15
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
890 to 4460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
32 to 53
Strength to Weight: Bending, points 26
26 to 37
Thermal Diffusivity, mm2/s 6.7
4.6
Thermal Shock Resistance, points 31
30 to 50

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 11.5 to 14
14 to 15.5
Copper (Cu), % 0
2.5 to 4.5
Iron (Fe), % 78.4 to 84.6
71.9 to 79.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 1.0
0
Nickel (Ni), % 3.5 to 4.5
3.5 to 5.5
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030