| Customization: | Available |
|---|---|
| Application: | Aviation, Electronics, Industrial, Medical, Chemical |
| Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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ALLOY 20
Alloy 20 has excellent resistance in chemicals containing sulfuric acid, and has good resistance to environments containing chlorides, phosphoric acid. It contains niobium for stabilization against sensitization and resultant intergranular corrosion. It also has good mechanical properties and fabricability.
Chemical composition:
| % | Fe | Ni | Cr | Cu | Mo | C | Mn | Si | P | S | Nb+Ta |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Min | balance | 32.0 | 19.0 | 3.0 | 2.0 | 8*C | |||||
| Max | 38.0 | 21.0 | 4.0 | 3.0 | 0.07 | 2.00 | 1.00 | 0.045 | 0.035 | 1.00 |
Physical properties:
| Density | 8.08 g/cm3 |
| Melting range | 1357-1430ºC |
ASTM Specifications
| Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet/Plate | Bar | Forging | Fitting |
|---|---|---|---|---|---|---|---|
| B729 | B464 | B729 | B468 | B463 | B473 | B462 | B366 |
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