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SAE-AISI S1 Steel vs. AISI 334 Stainless Steel

Both SAE-AISI S1 steel and AISI 334 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S1 steel and the bottom bar is AISI 334 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
540

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Melting Completion (Liquidus), °C 1500
1410
Melting Onset (Solidus), °C 1450
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
22
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
4.1
Embodied Energy, MJ/kg 37
59
Embodied Water, L/kg 56
170

Common Calculations

PREN (Pitting Resistance) 5.9
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 64
19
Strength to Weight: Bending, points 22 to 42
19
Thermal Shock Resistance, points 21 to 56
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.4 to 0.55
0 to 0.080
Chromium (Cr), % 1.0 to 1.8
18 to 20
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 96.7
55.7 to 62.7
Manganese (Mn), % 0.1 to 0.4
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.3
19 to 21
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 1.2
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Tungsten (W), % 1.5 to 3.0
0
Vanadium (V), % 0.15 to 0.3
0