Description

Chemical Composition (wt %, max unless range given)
C Mn P S Si Cr Ni Nb
<=0.08 <=2.00 <=0.045 <=0.030 <=1.00 17.0-19.0 9.0-12.0 =10×C to 1.10
Mechanical Properties (annealed tube)
Tensile Strength Yield Strength Elongation Reduction of Area Hardness
>=515 MPa >=205 MPa >=40 % >=50 % <=217 HB
Physical Properties (typical)
Density Melting Point Thermal Expansion Thermal Conductivity Modulus of Elasticity
8.03 g/cm3 1398-1446 °C 16.7 μm/m·°C 16.2 W/m·°C 193 GPa

347 Stainless Steel Bar

Niobium-stabilized austenitic stainless steel bar; niobium provides more stable high-temperature performance for welded aircraft collector rings and exhaust manifolds.

Chemical Composition (wt %, max unless range given)
C Mn P S Si Cr Ni Nb
<=0.08 <=2.00 <=0.045 <=0.030 <=1.00 17.0-19.0 9.0-12.0 =10×C to 1.10
Mechanical Properties (annealed tube)
Tensile Strength Yield Strength Elongation Reduction of Area Hardness
>=515 MPa >=205 MPa >=40 % >=50 % <=217 HB
Physical Properties (typical)
Density Melting Point Thermal Expansion Thermal Conductivity Modulus of Elasticity
8.03 g/cm3 1398-1446 °C 16.7 μm/m·°C 16.2 W/m·°C 193 GPa