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S38815 Stainless Steel vs. AISI 302 Stainless Steel

Both S38815 stainless steel and AISI 302 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
4.5 to 46
Fatigue Strength, MPa 230
210 to 520
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 410
400 to 830
Tensile Strength: Ultimate (UTS), MPa 610
580 to 1430
Tensile Strength: Yield (Proof), MPa 290
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 370
280
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 860
710
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
17

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
3.0
Embodied Energy, MJ/kg 54
42
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140 to 3070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21 to 51
Strength to Weight: Bending, points 21
20 to 36
Thermal Shock Resistance, points 15
12 to 31

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 13 to 15
17 to 19
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
67.9 to 75
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
8.0 to 10
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 5.5 to 6.5
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.030