France AFNOR NF A 49-214, 316F20 Specialsteel Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | 316F20 | AFNOR | France | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery |
C | Si | Mn | P | S | Cr | Ni | Mo | B |
---|---|---|---|---|---|---|---|---|
0.04 -0.08 | ≤1.00 | ≤2.00 | ≤0.040 | ≤0.030 | 16.00 -18.00 | 11.00 -13.00 | 2.00 -2.50 | 0.0015 -0.0060 |
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) |
---|---|---|---|---|---|---|
729 (≥) | 954 (≥) | 42 | 12 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 224 |
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 |
---|---|---|---|---|---|---|---|
11 | - | - | 0.31 | - | |||
128 | 813 | - | 32.3 | 322 | - | ||
553 | - | 43 | 34.2 | 123 | 144 |
Heat treated : 1857°C - 1369°C
Grade | Standard | Country | Application |
---|---|---|---|
Z6CND17-11-02FF | |||
Z6CND17-11-02FF | |||
Z6CND17-13B | |||
AMS 6512B | |||
Z6CNNb18-12B | |||
Z6CNNb18-12B | |||
Z6CNT18.12B | |||
Z6CNNb18.12B | |||
20X12BHMΦ | |||
15X12BHMΦ | |||
18X12BMBΦP | |||
A35-586 316F20 |
NF A 49-214 | Steel tubes. Seamless austenitic steel tubes for use at high temperatures. Dimensions (with normal tolerances). Technical conditions of delivery | NF-A-49-214.pdf |
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