What is the API 5L X56 specification?
API 5L X56 Pipe Specifications
API 5L X56 seamless pipe is a mid-range pipe in API 5L standard specifications. It has a minimum yield strength of 390 MPa (56,600 psi) and a minimum tensile strength of 490 MPa. API 5L X56 carbon steel pipe is also called L390 pipe, named after the yield strength of 390 MPa, covering seamless and welded (ERW, EFW, SAW) types of manufacturing types.
API 5L X56 pipe represents a minimum yield strength of 56,000 PSI and a minimum ultimate tensile strength of 71,000 PSI
API 5L X56 Carbon Pipe is a seamless and welded steel line pipe used in pipeline transportation systems in the oil and gas industry. API 5L X56 Seamless Carbon Steel Pipe is suitable for transporting gas, water and oil.
Chemical Composition for API 5L X56 PSL 1 pipe
| Steel Grade | Mass fraction, % based on heat and product analyses a,g | ||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | V | Nb | Ti | |
| max b | max b | max | max | max | max | max | |
| Seamless Pipe | |||||||
| X56 | 0.28 e | 1.40 e | 0.3 | 0.3 | d | d | d |
Tensile and Yield Strength of API 5L X56 PSL1 Pipes
| Pipe Grade | Tensile Properties – Pipe Body of SMLS and Welded Pipes PSL 1 | Seam of Welded Pipe | ||
|---|---|---|---|---|
| Yield Strength a | Tensile Strength a | Elongation | Tensile Strength b | |
| Rt0,5 PSI Min | Rm PSI Min | (in 2in Af % min) | Rm PSI Min | |
| X56 | 52,200 | 66,700 | c | 71,100 |
Product Specification : API 5L, PSL-1, PSL-2
Size: 1/2" to 24", * size above 24" NPS can be arranged on request
Schedule: SCH10, SCH 40, SCH 80, SCH 160 To SCH XXS as per thickness mention in API 5L.
Type : Seamless, Welded, ERW, L-SAW construction
Grade : Grade X56 And L390
Api 5l X56 Psl1 Pipeline
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