TSZ8C17 Stainless Steels to NF A 49-245

TSZ8C17 - Specification & Application

  • NF A 49-245 - Steel tubes. Longitudinally pressure welded tubes from non alloy and ferritic alloy steels for heat exchangers in diameters from 15, 9 mm and 76, 1 mm inclusive. 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 TSZ8C17 grade: to NF A 49-245

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.080
Si - 0.75
Mn - 0.75
P - 0.040
S - 0.015
Cr 16.00 17.50
Mo - -
Ni - -

TSZ8C17 - 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 TSZ8C17 NF A 49-245

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)
616 (≥) 888 (≥) 44 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical properties of grade TSZ8C17 NF A 49-245

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
473 (≥) 221 (≥) 41 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 314
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
467 514 932

Equivalent Products

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