USA AISI AISI 684 precipitation hardening and AISI 684 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Special Steel | AISI 684 | AISI | USA | precipitation hardening |
UNS R30605 |
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AISI 670 |
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UNS R30816 |
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AISI 671 |
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AISI 680 |
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UNS N06002 |
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AISI 681 |
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AISI 682 |
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AISI 683 |
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UNS N07041 |
C(%) | Si(%) | Mn(%) | Cr(%) | Mo(%) | Co(%) | B(%) | Al(%) | Ti(%) | Other(%) |
---|---|---|---|---|---|---|---|---|---|
0.1 | 0.1 | 0.1 | 17.5 | 4.25 | 18.45 | 0.005 | 3.00 | 3.00 | Fe(%) 0.5 |
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) |
---|---|---|---|---|---|---|
542 (≥) | 687 (≥) | 13 | 23 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 |
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 |
---|---|---|---|---|---|---|---|
43 | - | - | 0.31 | - | |||
198 | 285 | - | 42.3 | 214 | - | ||
634 | - | 41 | 22.2 | 434 | 313 |
Heat treated : 1377°C - 1888°C
Grade | Standard | Country | Application |
---|---|---|---|
AISI 431 | AISI | USA | Martensitic special steel |
AISI 440A | AISI | China | Martensitic special steel |
AISI 440B | AISI | USA | Martensitic special steel |
AISI 440F | AISI | USA | Martensitic special steel |
AISI 440F Se | AISI | USA | Martensitic special steel |
AISI 501 | AISI | USA | Martensitic special steel |
AISI 501A | AISI | USA | Martensitic special steel |
AISI 501B | AISI | USA | Martensitic special steel |
AISI 502 | AISI | USA | Martensitic special steel |
AISI 503 | AISI | USA | Martensitic special steel |
AISI 504 | AISI | USA | Martensitic special steel |
AISI S13800 | USA | precipitation hardening | |
AISI S15500 | AISI | USA | precipitation hardening |
AISI 632 | AISI | USA | precipitation hardening |
AISI 630 | AISI | USA | precipitation hardening |
AISI 635 | AISI | USA | precipitation hardening |
AISI 631 | AISI | USA | precipitation hardening |
AISI 633 | AISI | USA | precipitation hardening |
AISI 633 | AISI | USA | precipitation hardening |
AISI 634 | AISI | USA | precipitation hardening |
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