France AFNOR NF A 49-245, NF A 49-647, TSZ8C17 Specialsteel Steel tubes. Structural welded tubes, circular, square, rectangular or oval, in ferritic or austenitic stainless steels. Dimensions. Technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | TSZ8C17 | AFNOR | France | Steel tubes. Structural welded tubes, circular, square, rectangular or oval, in ferritic or austenitic stainless steels. Dimensions. Technical delivery conditions |
C | Si | Mn | P | S | Cr | Mo | Ni |
---|---|---|---|---|---|---|---|
≤0.080 | ≤0.75 | ≤0.75 | ≤0.040 | ≤0.015 | 16.00 -17.50 | ≤ ≥ | ≤ ≥ |
Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
---|---|---|---|---|---|---|
398 (≥) | 128 (≥) | 42 | 14 | 33 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 433 |
Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
---|---|---|---|---|---|---|---|
13 | - | - | 0.43 | - | |||
915 | 238 | - | 24.3 | 344 | - | ||
655 | - | 11 | 31.2 | 423 | 411 |
Heat treated : 1565°C - 1969°C
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-49-245.pdf |
NF A 49-647 | Steel tubes. Structural welded tubes, circular, square, rectangular or oval, in ferritic or austenitic stainless steels. Dimensions. Technical delivery conditions | NF-A-49-647.pdf |
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