A35-586 321F20
France AFNOR A35-586 321F20 Resistant to high boron steel(NF A 36-580(1983)) and A35-586 321F20 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Boiler & Pressure Vessel Plate | A35-586 321F20 | AFNOR | France | Resistant to high boron steel(NF A 36-580(1983)) |
| Z2NCDU25-25-05Az | |||||
| Z2NCDU31-27 | |||||
| Z3CMND22-05-04Az | |||||
| Z6CND17.12B | |||||
| A35-586 316F20 | |||||
| Z8CNDT17.13B | |||||
| A35-586 316F21 | |||||
| Z6CNDNb17.13B | |||||
| A35-586 316F22 | |||||
| Z6CNT18.12B |
Chemical composition(mass fraction)(wt.%) of the A35-586 321F20
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | B(%) | Ti(%) |
|---|---|---|---|---|---|---|---|---|
| 0.04-0.08 | Max 1.0 | Max 2.0 | Max 0.040 | Max 0.030 | 17.0-19.0 | 11.0-13.0 | 0.0015-0.0060 | 4xC Max 0.6 |
Mechanical Properties of steel grade A35-586 321F20
| 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) |
|---|---|---|---|---|---|---|
| 718 (≥) | 546 (≥) | 43 | 33 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 |
Physical Properties of steel grade A35-586 321F20
| 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 |
|---|---|---|---|---|---|---|---|
| 32 | – | – | 0.22 | – | |||
| 691 | 812 | – | 41.3 | 212 | – | ||
| 712 | – | 12 | 22.2 | 241 | 432 |
Heat Treatment of steel grade A35-586 321F20
Heat treated : 1123°C – 1515°C
Technological Curves of steel grade A35-586 321F20
No Curve
Cross Reference Table (Equivalent Grade) of A35-586 321F20
| Grade | Standard | Country | Application |
|---|---|---|---|
| A35-586 316F20 | AFNOR | France | Resistant to high boron steel |
| A35-586 316F21 | AFNOR | France | Resistant to high boron steel |
| A35-586 316F22 | AFNOR | France | Resistant to high boron steel(NF A 36-580(1983)) |
| A35-586 321F20 | AFNOR | France | Resistant to high boron steel(NF A 36-580(1983)) |
| A35-586 347F20 | AFNOR | France | Resistant to high boron steel(NF A 36-580(1983)) |
| Q195 | GBT | China | Engineering and welding |
| Q215 | China | Engineering and welding | |
| Q215 B | China | Engineering and welding | |
| Q235 | China | Engineering and welding | |
| Q235 B | China | Engineering and welding | |
| Q235 C | China | Engineering and welding | |
| Q235 D | China | Engineering and welding | |
| Q255 A | China | Engineering and welding | |
| Q255 B | China | Engineering and welding | |
| Q275 | China | Engineering and welding | |
| Q235q C | China | Bridge structure with steel | |
| Q235q D | China | Bridge structure with steel | |
| Q345q E | China | Bridge structure with steel | |
| Q345q C | China | Bridge structure with steel | |
| ASTM 1030 | ASTM | USA | General use carbon steel bar |