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S15700 Stainless Steel vs. AISI 301LN Stainless Steel

Both S15700 stainless steel and AISI 301LN stainless steel are iron alloys. They have a very high 96% 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 301LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 460
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 1.1 to 29
23 to 51
Fatigue Strength, MPa 370 to 770
270 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 770 to 1070
450 to 670
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
630 to 1060
Tensile Strength: Yield (Proof), MPa 500 to 1770
270 to 770

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 870
890
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
220 to 290
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
180 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 67
22 to 38
Strength to Weight: Bending, points 32 to 43
21 to 30
Thermal Diffusivity, mm2/s 4.2
4.0
Thermal Shock Resistance, points 39 to 63
14 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
16 to 18
Iron (Fe), % 69.6 to 76.8
70.7 to 77.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 6.5 to 7.7
6.0 to 8.0
Nitrogen (N), % 0
0.070 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants