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ASTM A356 Grade 1 vs. S44700 Stainless Steel

Both ASTM A356 grade 1 and S44700 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A356 grade 1 and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 23
23
Fatigue Strength, MPa 200
300
Poisson's Ratio 0.29
0.27
Reduction in Area, % 39
45
Shear Modulus, GPa 73
82
Tensile Strength: Ultimate (UTS), MPa 550
600
Tensile Strength: Yield (Proof), MPa 280
450

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.6
Embodied Energy, MJ/kg 18
49
Embodied Water, L/kg 45
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0 to 0.35
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 98.3 to 100
64.9 to 68.5
Manganese (Mn), % 0 to 0.7
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020