ASTM 316Ti UNS S31615 Polish Square Stainless Steel Pipe High Temperature Resistance

Alloy composition of UNS S31651
 
Iron (Fe) 61.9 to 71.9%
 
Chromium (Cr) 16 to 18%
 
Nickel (Ni) 10 to 14%
 
Molybdenum (Mo) 2.0 to 3.0%
 
Manganese (Mn) 0 to 2.0%
 
Silicon (Si) 0 to 0.75%
 
Nitrogen (N) 0.1 to 0.16%
 
Carbon (C) 0 to 0.080%
 
Phosphorus (P) 0 to 0.045%
 
Sulfur (S)
 
Material properties of UNS S31651
 
Base Metal Price 31% rel
 
Density 7.9 g/cm3 (490 lb/ft3)
 
Elastic (Young's, tensile) modulus 200 GPa (29 x 106 psi)
 
Conductivity 2.3% IACS
 
Resistivity order of magnitude 6 10x Ω - m
 
Elongation at break 9.2 to 40%
 
Modulus of elasticity (unit elasticity) 200 to 1890 kJ/m3
 
Poisson's ratio 0.28
 
PREN (pitting resistance) 20
 
Specific heat capacity 500 J/kg-K
 
Strength to weight ratio 80 to 150 kN-m/kg
 
Tensile strength: Ultimate (UTS) 630 to 1190 MPa (91 to 170 x 103 psi)
 
Tensile strength: Yield (proof) 280 to 870 MPa (41 to 130 x 103 psi)
 
Thermal conductivity 15 W/mK
 
Thermal diffusivity 3.8 m2/s
 
Thermal expansion 13 m/mK
 
Unit fracture work (ultimate resilience)