A 194/A 194M (2014) Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.15 | ||
| Mn | 0.30 | 0.60 | ||
| Si | - | 0.50 | ||
| P | - | 0.030 | ||
| S | - | 0.50 | ||
| Cr | 4.00 | 6.00 | ||
| Mo | 0.45 | 0.65 |
| Material designation: | 501 |
|---|---|
| Standard: | AISI |
| Country: | USA |
| Steel Group: | Structural and constructional steels |
| Subgroup: | A 194/A 194M (2014) Carbon and Alloy Steel Nuts for Bolts for High Pressure or High Temperature Service, or Both |
| Comment: | Ferritic steel |
| Proof strength Rp0.2 (MPa) |
Tensile strength Rm (MPa) |
Impact energy KV (J) |
Elongation at fracture A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 622 (≥) | 193 (≥) | 44 | 43 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 |
| Property | Density kg/dm3 |
Temperature T °C/F |
Specific heat J / kgK |
Thermal conductivity W/mK |
Electric resistance µΩ·cm |
Modulus of elasticity kN/mm2 |
Expansion rate |
|---|---|---|---|---|---|---|---|
| 233 (≥) | 254 (≥) | 34 | 12 | 11 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 214 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 261 | 383 | 774 |
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