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AISI 204 Stainless Steel vs. SAE-AISI 1070 Steel

Both AISI 204 stainless steel and SAE-AISI 1070 steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 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 AISI 204 stainless steel and the bottom bar is SAE-AISI 1070 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 330
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23 to 39
10 to 13
Fatigue Strength, MPa 320 to 720
270 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 500 to 700
380 to 460
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
640 to 760
Tensile Strength: Yield (Proof), MPa 380 to 1080
420 to 560

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 850
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 35
19
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
59 to 86
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
470 to 850
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 40
23 to 27
Strength to Weight: Bending, points 24 to 31
21 to 24
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 16 to 24
21 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0.65 to 0.75
Chromium (Cr), % 15 to 17
0
Iron (Fe), % 69.6 to 76.4
98.3 to 98.8
Manganese (Mn), % 7.0 to 9.0
0.6 to 0.9
Nickel (Ni), % 1.5 to 3.0
0
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050