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EN 1.4318 Stainless Steel vs. ASTM A356 Grade 10

Both EN 1.4318 stainless steel and ASTM A356 grade 10 are iron alloys. They have 77% of their average alloy composition in common. There are 31 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 1.4318 stainless steel and the bottom bar is ASTM A356 grade 10.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
23
Fatigue Strength, MPa 340
300
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 740
670
Tensile Strength: Yield (Proof), MPa 380
430

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 910
460
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 13
3.9
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.8
Embodied Energy, MJ/kg 39
23
Embodied Water, L/kg 130
59

Common Calculations

PREN (Pitting Resistance) 20
5.9
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
130
Resilience: Unit (Modulus of Resilience), kJ/m3 360
480
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 16.5 to 18.5
2.0 to 2.8
Iron (Fe), % 70.2 to 77.4
94.4 to 96.6
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.2
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030