France AFNOR NF A 49-247, NF A 49-249, NF A 49-647, TSZ6CN18-09 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 | TSZ6CN18-09 | 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 |
---|---|---|---|---|---|---|---|
0.04 -0.08 | ≤0.75 | ≤2.00 | ≤0.040 | ≤0.015 | 17.00 -19.00 | ≤ ≥ | 8.00 -10.00 |
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) |
---|---|---|---|---|---|---|
514 (≥) | 298 (≥) | 43 | 32 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 243 |
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 |
---|---|---|---|---|---|---|---|
23 | - | - | 0.34 | - | |||
974 | 842 | - | 34.3 | 344 | - | ||
963 | - | 22 | 24.2 | 422 | 432 |
Heat treated : 1839°C - 1572°C
NF A 49-247 | Steel tubes. Tubes welded longitudinally for heat exchangers. Austenitic stainless steels. Dimensions. Technical delivery conditions | NF-A-49-247.pdf |
NF A 49-249 | Steel tubes. Longitudinally welded plain end tubes for the food industry. Austenitic stainless steels. Dimensions. Technical delivery conditions | NF-A-49-249.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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