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AMS ER 308 Details
The welding materials are classified according to chemical composition. The values contained in the mechanical properties are not requirements of this specification. They are obtained from weld metal specified in A5.4.
AMS ER 308 Standard Download
ER 308 Datasheet
AMS ER 308| Category | Type | Grade | Microstructure | Designations |
|---|---|---|---|---|
| Grades | Stainless Steels | ER 308 | Austenite | USA - AMS , SFA-5.9/SFA-5.9M - Bare Stainless Steel Welding Electrodes and Rods |
| Elements | Min.（≥） | Max.（≤） | Similar | Remarks |
|---|---|---|---|---|
| C | - | 0.08 | ||
| Si | 0.25 | 0.60 | ||
| Mn | 1.00 | 2.50 | ||
| P | - | 0.03 | ||
| S | - | 0.03 | ||
| Cr | 19.5 | 22.0 | ||
| Ni | 9.00 | 11.0 | ||
| Cu | - | 0.75 | ||
| Mo | - | 0.75 |
| 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) |
|---|---|---|---|---|---|---|
| 438 (≥) | 358 (≥) | 32 | 33 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 213 |
| 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 |
|---|---|---|---|---|---|---|---|
| 487 (≥) | 718 (≥) | 44 | 24 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 421 | |
| Temp. °C/°F |
Creep strain limit (10000h) (Rp1,0) N/mm2 |
Creep rupture strength (10000h) (Rp1,0) N/mm2 |
|||||
| 791 | 954 | 663 |
| 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 |
|---|---|---|---|
| 308 | UNS | USA | Chemical compositions of SAE wrought stainless steels |
| 308 | UNS | USA | Chemical compositions, mechanical and physical properties of SAE aluminum casting alloys |
| A 167 Type 308 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 276 308 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 308 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 473 308 | SAE | USA | Stainless Steel Forgings |
| A 580 Type 308 | SAE | USA | Stainless Steel Wire |
| A 959 Type 308 | SAE | USA | Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels |
| A 167 S30800 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 276 S30800 | SAE | USA | Stainless Steel Bars and Shapes |
| A 314 S30800 | SAE | USA | Stainless Steel Billets and Bars for Forging |
| A 473 S30800 | SAE | USA | Stainless Steel Forgings |
| A 580 S30800 | SAE | USA | Stainless Steel Wire |
| S30800 | SAE | USA | Austenitic Chromium Nickel Heat Resisting Steel |
| 308L | AMS | USA | Bare Stainless Steel Welding Electrodes and Rods |
| ER 308L | International | USA | Austenitic wire for metal inert gas welding. It is suitable for welding corrosion resistant 18/8 CrNi steels for devices, vessels and parts in chemical, pharmacy and cellulose industry for temperature up to 350°C. Welded material has oxidation resistance |
| S30803 | AISI | USA | Austenitic wire for metal inert gas welding. It is suitable for welding corrosion resistant 18/8 CrNi steels for devices, vessels and parts in chemical, pharmacy and cellulose industry for temperature up to 350°C. Welded material has oxidation resistance |
| A 167 S30815 | SAE | USA | Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip |
| A 213 S30815 | SAE | USA | Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes |
| A 240 S30815 | SAE | USA | Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications |