347 STAINLESS AEROSPACE TUBING
347 STAINLESS AEROSPACE TUBING
347 stainless aerospace tubing is made from an austenitic stainless steel offering an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500° F (427 to 816°C). Alloy 347 alloyed with columbian-tantalum (also referred to as niobium) allowing good mechanical properties at high temperatures.
STOCK SIZE RANGE:
OD:.031″- 3.00″
Walls: .020″- .156″
Tempers: Annealed
Specifications: MI-L-T 8808, MIL-T-8606, AMS 5556, AMS 5571
| Weight % | Ni | Cr | Mn | C | Si | S | P | Cu | Mo | Cb |
|---|---|---|---|---|---|---|---|---|---|---|
| Minimum | 9.0 | 17.0 | ||||||||
| Maximum | 12.0 | 19.0 | 2.00 | .080 | 1.00 | .030 | .040 | .50 | .50 | 1.10 |
| Nominal OD | Nominal Wall | Ultimate KSI | Yield KSI | Elongation |
|---|---|---|---|---|
| .188 and less | .016 and less | 75-120 max | 35% | |
| 75-105 max | 30 min | |||
| Over .016 | 35% | |||
| Over .188 | .010 and | 75-115 max | 30 min | 35% |
| Thru .500 | Less | |||
| incl | Over .010 | 75-105 max | 35% | |
| Over .500 | All | 75-100 max | 30 min | 35% |
