UNS J94204
USA AISI UNS J94204 and UNS J94204 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | UNS J94204 | AISI | USA | |
| ASTM CH20 | |||||
| UNS J93402 | |||||
| ASTM CN3MN | |||||
| UNS J94651 | |||||
| ASTM CN7M | |||||
| UNS N08007 | |||||
| ASTM CT15C | |||||
| ASTM HK30 | |||||
| UNS J94203 | |||||
| ASTM HK40 |
Chemical composition(mass fraction)(wt.%) of the UNS J94204
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Mo(％) |
|---|---|---|---|---|---|---|---|
| 0.35-0.45 | Max 1.75 | Max 1.50 | Max 0.04 | Max 0.040 | 23.0-27.0 | 19.0-22.0 | Max 0.50 |
Mechanical Properties of steel grade UNS J94204
| 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) |
|---|---|---|---|---|---|---|
| 844 (≥) | 251 (≥) | 12 | 12 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 311 |
Physical Properties of steel grade UNS J94204
| 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 |
|---|---|---|---|---|---|---|---|
| 21 | – | – | 0.13 | – | |||
| 976 | 155 | – | 24.3 | 444 | – | ||
| 195 | – | 31 | 34.2 | 111 | 134 |
Heat Treatment of steel grade UNS J94204
Heat treated : 1229°C – 1581°C
Technological Curves of steel grade UNS J94204
No Curve
Cross Reference Table (Equivalent Grade) of UNS J94204
| Grade | Standard | Country | Application |
|---|---|---|---|
| UNS G10300 | UNS | USA | General use carbon steel bar |
| UNS G10050 | UNS | USA | General use carbon steel bar |
| UNS G10060 | UNS | USA | General use carbon steel bar |
| UNS G10080 | UNS | USA | General use carbon steel bar |
| UNS G10110 | UNS | USA | General use carbon steel bar |
| ASTM 1012 | ASTM | USA | General use carbon steel bar |
| UNS G10120 | UNS | USA | General use carbon steel bar |
| UNS G10130 | UNS | USA | General use carbon steel bar |
| UNS G10150 | UNS | USA | General use carbon steel bar |
| UNS G10160 | UNS | USA | General use carbon steel bar |
| UNS G10170 | UNS | USA | General use carbon steel bar |
| UNS G10180 | UNS | USA | General use carbon steel bar |
| UNS G10190 | UNS | USA | General use carbon steel bar |
| UNS G10200 | UNS | USA | General use carbon steel bar |
| UNS G10210 | UNS | USA | General use carbon steel bar |
| UNS T72301 | UNS | USA | Carbon tool steel |
| W2-A | ASTM | USA | Carbon tool steel |
| UNS T72302 | UNS | USA | Carbon tool steel |
| UNS S42800 | UNS | USA | Martensitic special steel |
| UNS S43100 | UNS | USA | Martensitic special steel |