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S15700 Stainless Steel vs. AISI 204 Stainless Steel

Both S15700 stainless steel and AISI 204 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is S15700 stainless steel and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
210 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 1.1 to 29
23 to 39
Fatigue Strength, MPa 370 to 770
320 to 720
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 770 to 1070
500 to 700
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
730 to 1100
Tensile Strength: Yield (Proof), MPa 500 to 1770
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 870
850
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.4
Embodied Energy, MJ/kg 47
35
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 23
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
360 to 2940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 67
27 to 40
Strength to Weight: Bending, points 32 to 43
24 to 31
Thermal Diffusivity, mm2/s 4.2
4.1
Thermal Shock Resistance, points 39 to 63
16 to 24

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.030
Chromium (Cr), % 14 to 16
15 to 17
Iron (Fe), % 69.6 to 76.8
69.6 to 76.4
Manganese (Mn), % 0 to 1.0
7.0 to 9.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 6.5 to 7.7
1.5 to 3.0
Nitrogen (N), % 0
0.15 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants