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ACI-ASTM CA15M Steel vs. EN 1.4961 Stainless Steel

Both ACI-ASTM CA15M steel and EN 1.4961 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15M steel and the bottom bar is EN 1.4961 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 20
39
Fatigue Strength, MPa 330
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 690
610
Tensile Strength: Yield (Proof), MPa 510
220

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 390
510
Maximum Temperature: Mechanical, °C 760
890
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
16
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
4.0
Embodied Energy, MJ/kg 29
57
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 15
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 670
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 7.2
4.3
Thermal Shock Resistance, points 25
14

Alloy Composition

Carbon (C), % 0 to 0.15
0.040 to 0.1
Chromium (Cr), % 11.5 to 14
15 to 17
Iron (Fe), % 82.1 to 88.4
65.6 to 72.3
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
12 to 14
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.65
0.3 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.015