France AFNOR NF A 35-573, NF A 35-574, NF A 36-209, NF A 49-244, Z7CN18-09 Specialsteel Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | Z7CN18-09 | AFNOR | France | Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery |
C | Si | Mn | P | S | Cr | Mo | Ni |
---|---|---|---|---|---|---|---|
≤0.070 | ≤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) |
---|---|---|---|---|---|---|
797 (≥) | 356 (≥) | 41 | 11 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
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 |
---|---|---|---|---|---|---|---|
12 | - | - | 0.42 | - | |||
753 | 972 | - | 33.3 | 413 | - | ||
668 | - | 11 | 41.2 | 244 | 232 |
Heat treated : 1823°C - 1652°C
NF A 35-573 | Stainless steels for general purposes. Plates, wide strips and strips | NF-A-35-573.pdf |
NF A 35-574 | Iron and steel. Stainless steel for general purposes. Semi- finished products, bars and wire rod | NF-A-35-574.pdf |
NF A 36-209 | Iron and steel. Austenitic and austenic-ferritic stainless steels plates for boilers and pressure vessels | NF-A-36-209.pdf |
NF A 49-244 | Steel tubes - Welded austenitic stainless and austenitic ferritic steel rolled tubes for pressure service - Dimensions, technical conditions for delivery | NF-A-49-244.pdf |
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