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SAE F738 Class A1-80 S38400 Details
Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
SAE F738 Class A1-80 S38400 Standard Download
F738 Class A1-80 S38400 Datasheet
SAE F738 Class A1-80 S38400| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | F738 Class A1-80 S38400 | Austenite | USA - SAE , F 738M (2002) - Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.03 | ||
| S | - | 0.03 | ||
| Cr | 15.00 | 17.00 | ||
| Ni | 17.00 | 19.00 |
| 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) |
|---|---|---|---|---|---|---|
| 116 (≥) | 833 (≥) | 34 | 41 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 |
| 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 |
|---|---|---|---|---|---|---|---|
| 241 (≥) | 947 (≥) | 41 | 44 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 644 | 684 | 978 |
| Product type | Products | Dimension | Processes | Deliver Status |
|---|---|---|---|---|
| Plates / Sheets | Plates / Sheets | 0.08-200mm(T)*W*L | Forging, hot rolling and cold rolling | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Steel Bar | Round Bar, Flat Bar, Square Bar | Φ8-1200mm*L | Forging, hot rolling and cold rolling, Cast | Black, Rough Turning, Shot Blasting, |
| Coil / Strip | Steel Coil /Steel Strip | 0.03-16.0x1200mm | Cold-Rolled & Hot-Rolled | Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting |
| Pipes / Tubes | Seamless Pipes/Tubes, Welded Pipes/Tubes | OD:6-219mm x WT:0.5-20.0mm | Hot extrusion, Cold Drawn, Welded | Annealed, Solution and Aging, Q+T, ACID-WASHED |
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 493 S38400 | SAE | USA | Stainless Steel Wire and Wire Rods for Cold Heading and Cold Forging |
| A 959 S38400 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| F 837 Class A1-50 S38400 | SAE | USA | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F 837 Class A1-55 S38400 | SAE | USA | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F 837 Class A1-70 S38400 | SAE | USA | Standard Specification for Stainless Steel Socket Head Cap Screws (Metric) |
| F738 Class A1-50 S38400 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A1-70 S38400 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A1-80 S38400 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F836 Class A1-50 S38400 | SAE | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
| F836 Class A1-70 S38400 | SAE | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
| SUS 384 | JIS | Japan | Stainless steel wire rods |
| SUS 384 WSA | JIS | Japan | Stainless steel wires for cold heading and cold forging |
| SUS 384 WSB | JIS | Japan | Stainless steel wires for cold heading and cold forging |
| 2384 | SS | Sweden | Austenitic stainless free-cutting steel |