F738 Class A2-70 S34700 Enquiry | Print this page
SAE F738 Class A2-70 S34700 Details
SAE F738 Class A2-70 S34700 Standard Download
F738 Class A2-70 S34700 Application:Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs
| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | F738 Class A2-70 S34700 | Austenite | USA - SAE , F 738M (2002) - Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
Chemical composition(wt.%) of F738 Class A2-70 S34700 grade: F 738M (2002)
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Mn | - | 2.00 | ||
| Si | - | 1.00 | ||
| P | - | 0.045 | ||
| S | - | 0.03 | ||
| Cr | 17.00 | 19.00 | ||
| Ni | 9.00 | 13.00 | ||
| Ta | - | 1.10 |
Mechanical properties of grade F738 Class A2-70 S34700 F 738M (2002)
| 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) |
|---|---|---|---|---|---|---|
| 575 (≥) | 121 (≥) | 12 | 34 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 342 |
Physical properties of grade F738 Class A2-70 S34700 F 738M (2002)
| 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 |
|---|---|---|---|---|---|---|---|
| 911 (≥) | 815 (≥) | 31 | 12 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 434 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 145 | 287 | 257 |
F738 Class A2-70 S34700 - Form of Supply
| 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 |
Cross Reference Table(Equivalent Grade)
| Grade | Standard | Country | Application |
|---|---|---|---|
| A 240 S34700 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |
| A 249 S34700 | SAE | USA | Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes |
| A 269 S34700 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing for General Service |
| A 276 S34700 | SAE | USA | Stainless Steel Bars and Shapes |
| A 313 S34700 | SAE | USA | Stainless Steel Spring Wire |
| A 314 S34700 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 358 S34700 | SAE | USA | Electric-Fusion-Welded Austenitic Chromium-Nickel Stainless Steel Pipe for High-Temperature Service and General Applications |
| A 409 S34700 | SAE | USA | Welded Large Diameter Austenitic Steel Pipe for Corrosive or High-Temperature Service |
| A 473 S34700 | SAE | USA | Stainless Steel Forgings |
| A 580 S34700 | SAE | USA | Stainless Steel Wire |
| A 632 S34700 | SAE | USA | Seamless and Welded Austenitic Stainless Steel Tubing (Small-Diameter) for General Service |
| A 778 S34700 | SAE | USA | Welded, Unannealed Austenitic Stainless Steel Tubular Products |
| A 813 S34700 | SAE | USA | Single- or Double-Welded Austenitic Stainless Steel Pipe |
| A 814 S34700 | SAE | USA | Cold-Worked Welded Austenitic Stainless Steel Pipe |
| A 965 S34700 | SAE | USA | Steel Forgings, Austenitic, for Pressure and High Temperature Parts |
| F738 Class A2-50 S34700 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A2-70 S34700 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F738 Class A2-80 S34700 | SAE | USA | Standard Specification for Stainless Steel Metric Bolts, Screws, and Studs |
| F836 Class A2-50 S34700 | SAE | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
| F836 Class A2-70 S34700 | SAE | USA | Standard Specification for Style 1 Stainless Steel Metric Nuts (Metric) |
Enquiry
* Required fields