Overview
This grade is very similar to API 2H 50 in both it’s make up and it’s applications. API 2Y 60 is quenched and tempered and has a 60,000 minimum yield. It is used in offshore platforms and structures where additional strength is required to resist impact and fatigue concerns.
Specifications
| Specification | API 2Y Grade 60 Q & T |
|---|---|
| Type of Steel | Carbon |
| Requirements for Delivery | A6, A20 |
| Tensile Strength (ksi) | 75 |
| Yield Strength (min. ksi) (Yield Point if designated YP) |
t 1 in. 60-90 t 60-85 |
| Spec. Thickness (Max. in.) Chemical Composition (%) |
– |
| Carbon (Max.) | 0.16 |
| Manganese | 1.15/1.60 |
| Phosphorus (Max.) | .03 |
| Sulfur (Max.) | .010 |
| Silicon | .05/.50 |
| Nickel (Max.) | 1.0 |
| Chromium (Max.) | .25 |
| Molybdenum (Max.) | .15 |
| Copper (Max.) | .35 |
| Other Elements | * |
| Heat Treatment Required | Q & T |