A519-4140 material is stocked in the annealed, normalized or quenched and tempered conditions. The heat treated material is controlled to L80, P110, Q125 or the customer’s specified properties. The material is weldable but requires a pre-heat before welding.
The minimum wall thickness at any point shall not be more than 12.5% under the nominal wall thickness specified.
|A519-4130 / 4140||Quenched and Tempered||28-32 RC||Not Tested||Not Tested|
|API 5CT L80 in 4519-4100||Quenched and Tempered||18-22 RC||80 – 95 ksi||95 ksi min|
|API 5CT P110 in 4519-4100||Quenched and Tempered||30-36 RC||110 – 140 ksi||125 ksi min|
|API 5CT Q125 in 4519-4100||Quenched and Tempered||32-36 RC||125 – 150 ksi||135 ksi min|
Mechanical Tubing Delivery Condition :