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High Strength Steel for Offshore Applications
 

API 2Y 60

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. 

 

 Download API-2Y Specifications PDF (420 KB)

Specifications

SpecificationAPI 2H
Grade 50
API 2Y
Grade 60 Q & T
Type of Steel Carbon Carbon
Requirements for Delivery A6, A20 A6, A20
Tensile Strength (ksi) 70/90 75
Yield Strength (min. ksi)
(Yield Point if designated YP)
50 TO 2 1/2" incl.; 47 over 2 1/2" t≤1 in. 60-90
t≥60-85
Spec. Thickness (Max. in.)
Chemical Composition (%)
- -
Carbon (Max.) 0.18 0.16
Manganese 1.15/1.60 1.15/1.60
Phosphorus (Max.) .03 .03
Sulfur (Max.) .006 .010
Silicon .15/.40 .05/.50
Nickel (Max.) * 1.0
Chromium (Max.) * .25
Molybdenum (Max.) * .15
Copper (Max.) * .35
Other Elements AI.02/.05 *
Heat Treatment Required N Q & T

F/G/P Carbon Equivalent: .43 Max. (.45 Max. over 2 1/2" or 2" in Grade 50) See specification for formula. Optional through-thickness testing, 3/4" and over.