UNS N08020
QUALITY ASSURANCE :
- All products are produced by large factories
- Professional quality inspection tracking team
- Can accept any third party inspection
- Accept third party supervision
1.Standard:ASTM B729
2.Chemical Composition (%)
| Elements | C | Mn | P | S | Si | Cr | Mo | Ni | Cu | Nb+Ta | Fe |
| Min | 19.0 | 2.0 | 32.0 | 3.00 | 8C | ||||||
| Max | 0.07 | 2.00 | 0.045 | 0.035 | 1.00 | 21.0 | 3.0 | 38.0 | 4.00 | 1.0 | remaimde |
| Actual value | 0.05 | 0.47 | 0.011 | 0.0013 | 0.20 | 20.13 | 2.41 | 33.02 | 3.77 | 0.68 | 38.74 |
3.Mechanical Properties
| Merharical Propertie | Tensile strength MPa |
Yield strength MPa |
Elongation% |
| Min | 550 | 240 | 30 |
| Max | |||
| Actual value | 685 | 397 | 35 |
4.Typical Size
| Size mm |
Outside Diameter mm |
Permissible Variations in Outside Diameter Mm |
Wall mm |
Average Wall Permissible Variations in Wall thickness mm |
| 60.3×3.91 | 60.3 | ±0.25 | 3.91 | ±10% |
Note : Standard requirements control range : CD: ± 0.25mm. WT : ± 10%
5.Typical Application Environment:
This metal Material has excellent anti-stress corrosion cracking ability and good corrosion resistance to local reducing compound medium corrosion It is used in sulfuric add working condition or used for industrial equipment of sulfuric add solution containing halogen ions and metal ions.
