As a supplier, Excellent Overseas is responsible for high quality in API 5L X56 Seamless Pipe Suppliers and API 5L X56 PSL2 Material Stock of Manufacturers Like Tubes, MSL, Seah, Hyundai, ArcelorMittal and NSSMC.
Table of Content
Supply Range & Dimensions
SMLS Size1/2" to 26"
ERW Size1/2" to 24"
SSAW Size16" to 64"
Schedule (WT)SCH-20 to SCH-XXS Upto 80 MM
LengthSRL, DRL, 6 Mtr, 12 Mtr, Cut Length
TypesSeamless, ERW, LSAW, DSAW, SSAW
Pipe EndsPlain, Bevel, Screwed, Threaded
Delivery ConditionsN, Q, S, M, R
Specification LevelPSL1, PSL2
Equivalent GradesL390, L390M, L390Q
Surface FinishNatural, Black, Painting, Varnished
Coating3LPE, 3PP, FBE, 3PE
CertificationsEN 10204 3.1, 3.2 & NABL Lab
Export AreasSingapore, KSA, Qatar, USA, UK, Mexico
Manufacturers in Stock
Hyundai Hysco
Valcovny Trub
Benteler Make
SEAH Korea
Butting Make
JFE Make
ArcelorMittal
Tenaris Steel
MSL Make
Nippon Steel
Tubular Canada
Tubos API
Chemical Composition
| Grade Name | Form | C (Max) | Mn (Max) | P (Max) | S (Max) | V | Nb |
|---|---|---|---|---|---|---|---|
| X56 | Seamless | 0.28 | 1.40 | 0.030 | 0.030 | c | c |
| Welded | 0.26 | 1.40 | 0.030 | 0.030 | c | c | |
| X56Q | SMLS / Welded | 0.22 | 1.40 | 0.025 | 0.015 | ≤ 0.08 | ≤ 0.05 |
Mechanical Properties
| Steel Grade | Yield Strength (Min) | Tensile Strength (Min) | Elongation (%) |
|---|---|---|---|
| X56 PSL 1 | 390 N/mm² | 490 N/mm² | 22% |
| L390 PSL 1 | 390 N/mm² | 490 N/mm² | 22% |
| X56Q PSL 2 | 390 – 545 N/mm² | 490 – 760 N/mm² | 22% |
Material Equivalent Grades
| Standard | Specification Level | Equivalent Grade | Application Notes |
|---|---|---|---|
| ASTM API 5L | PSL 1 | L390 or X56 | Standard Line Pipe |
| PSL 2 | L390Q / X56Q | Enhanced (Charpy impact tested) | |
| DNV-OS-F101 | Offshore | 390 / 390U / 390S | Submarine pipeline systems |
API 5L X56 Applications
Offshore Oil Drilling
Power Generation & Gas
Petrochemical Plants
Marine & Sea Water
Heat Exchangers
Transit Timing & Delivery
| Country | Destination Port | Sea Freight Timing | Air Freight Timing |
|---|---|---|---|
 United States | Houston | 38–45 Days | 4–5 Days |
 Netherlands | Rotterdam | 30–34 Days | 2–3 Days |
 UAE | Jebel Ali | 4–6 Days | 1 Day |
 Saudi Arabia | Dammam | 10–14 Days | 1–2 Days |
 Singapore | Port of Singapore | 12–16 Days | 1–2 Days |
Process of Manufacturing
Coating Material & Protection
Liquid Epoxy Coated
3LPE Coated
FBE Coated
PSL1 vs PSL2 & Grade Comparisons
PSL1 — Standard Level
- • Basic chemical requirements
- • Tensile & Hydrostatic testing
- • No max yield strength limit
- • No CVN toughness required
PSL2 — Enhanced Level
- • Stricter chemical composition
- • Max yield strength limit
- • CVN Charpy impact required
- • HIC / SSC sour service testing
Types of API 5L Pipes
X56 Seamless
X56 ERW
X56 Welded
X56 PSL2
Countries We Export To
- United States
Canada- Saudi Arabia
- UAE
Qatar
Oman
Kuwait
Bahrain
United Kingdom
Germany
Italy
Spain
Brazil
South Africa
Australia- Singapore
Malaysia
Indonesia
Vietnam
Thailand