TSZ6CN18-09 Stainless Steels to NF A 49-247

TSZ6CN18-09 - Specification & Application

  • NF A 49-247 - Steel tubes. Tubes welded longitudinally for heat exchangers. Austenitic stainless steels. Dimensions. Technical delivery conditions
  • NF A 49-249 - Steel tubes. Longitudinally welded plain end tubes for the food industry. Austenitic stainless steels. Dimensions. Technical delivery conditions
  • NF A 49-647 - Steel tubes. Structural welded tubes, circular, square, rectangular or oval, in ferritic or austenitic stainless steels. Dimensions. Technical delivery conditions

Steel tubes. Structural welded tubes, circular, square, rectangular or oval, in ferritic or austenitic stainless steels. Dimensions. Technical delivery conditions

Chemical composition(wt.%) of TSZ6CN18-09 grade: to NF A 49-247

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04 0.08
Si - 0.75
Mn - 2.00
P - 0.040
S - 0.015
Cr 17.00 19.00
Mo - -
Ni 8.00 10.00

TSZ6CN18-09 - Detail

Steel tubes. Structural welded tubes, circular, square, rectangular or oval, in ferritic or austenitic stainless steels. Dimensions. Technical delivery conditions

Mechanical properties of grade TSZ6CN18-09 NF A 49-247

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
495 (≥) 858 (≥) 12 13 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade TSZ6CN18-09 NF A 49-247

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
877 (≥) 232 (≥) 24 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 422
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
984 933 992

Equivalent Products

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