USA SAE A 774/A 774M (2009) , A 774 Grade TP 304L Specialsteel As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | A 774 Grade TP 304L | Austenite | SAE | USA | As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures |
C | Si | Mn | P | S | Cr | Ni | N |
---|---|---|---|---|---|---|---|
≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 17.50 -19.50 | 8.00 -12.0 | ≤0.10 |
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) |
---|---|---|---|---|---|---|
849 (≥) | 852 (≥) | 32 | 14 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 431 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.22 | - | |||
798 | 842 | - | 43.3 | 423 | - | ||
462 | - | 14 | 23.2 | 134 | 231 |
Heat treated : 1417°C - 1331°C
Grade | Standard | Country | Application |
---|---|---|---|
304L | |||
304LN | |||
304LHN | |||
AL 304L | |||
304L | |||
304LN | |||
TP304L | |||
TP304LN | |||
TP304L | |||
TP304LN | |||
TP304L | |||
TP304LN | |||
TP304L | |||
TP304LN | |||
TP304L | |||
MT304L | |||
MT-304L | |||
TP304L | |||
TP304LN | |||
304L |
A 774/A 774M (2009) | As-Welded Wrought Austenitic Stainless Steel Fittings for General Corrosive Service at Low and Moderate Temperatures | A-774-A-774M--(2009)-.pdf |
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