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660 (A286) is a high-nickel stainless steel that is in common use in the Petro-chemical, Oil & Gas and Offshore Industries. It has good mechanical strength at temperatures up to 700 Deg. C, in addition to high resistance to corrosion and oxidization up to 800 Deg. C.
At Bolt King, we are adept at manufacturing 660 fasteners, and are one of the few manufacturers in the UK with the expertise to hot-forge 660 bolts and nuts on-site. Our current range for hot-forging these products is M6 - M39.
If you have any questions or queries with regard to 660 bolting, please contact us.
Chemical Properties
|
| C | Mn | P | S | Si | Cr | Ni | Mo | Ti | V | Al | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Min |
- | - | - | - | - | 13.5 | 24.0 | 1.0 | 1.90 | 0.10 | - | - |
| Max | 0.08 | 2.0 | 0.04 | 0.03 | 1.0 | 16.0 | 27.0 | 1.5 | 2.35 | 0.50 | 0.35 | Bal |
Mechanical Properties
| Ultimate Tensile Strength (Min) | Yield Strength (Min) | Elongation (Min) | RoA (Min) | Hardness |
|---|---|---|---|---|
| 895 MPa | 585 MPa | 15 | 18 | 24-27 HRC |
Mechanical Properties specified for ASTM A453 660 A/B/C
The information provided above is for reference only. Please contact us for further information.
Special Fasteners In Exotic Alloys, Including
Inconel & Super Duplex
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