USA SAE F 738M (2002), F738 Class F1-45 S43020 Specialsteel Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application | 
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | F738 Class F1-45 S43020 | Ferrite | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs | 
| C | Mn | Si | P | S | Cr | Ni | Mo | 
|---|---|---|---|---|---|---|---|
| ≤0.12 | ≤1.25 | ≤1.00 | ≤0.06 | ≤0.15 | 16.00 -18.00 | ≤ ≥ | ≤0.60 | 
| 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) | 
|---|---|---|---|---|---|---|
| 363 (≥) | 977 (≥) | 12 | 22 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 241 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.23 | - | |||
| 139 | 666 | - | 11.3 | 212 | - | ||
| 858 | - | 21 | 13.2 | 143 | 213 | 
Heat treated : 1722°C - 1182°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| 430F | |||
| 430FSe | |||
| 430F Solenoid | |||
| 430FR Solenoid | |||
| 430F | |||
| 430FSe | |||
| SUS430F | |||
| SUS430F | |||
| SUS430F | |||
| SUS430F | |||
| STS430F | |||
| STS430F | |||
| S43020 | |||
| S43020 | 
| F 738M (2002) | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs | F-738M-(2002).pdf | 
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