API 5L Gr. B equivalents, chemistry & properties.
Browse reference information for API 5L Gr. B, including related designations, composition, mechanical properties and density. Confirm the governing standard, product form and condition for your order.
API 5L Gr. B equivalent grades
- USA (ASTM / AISI / SAE)
- API 5L Gr. B (PSL1 / PSL2)
- Europe (EN)
- L245 (ISO 3183)
- China (GB)
- L245
Key data
- Family
- Line pipe
- Density
- 7.85 g/cm³
- Typical mechanical
- YS ≥245 MPa · TS ≥415 MPa
- Typical uses
- Oil, gas and water pipelines
- Weight
- Calculate weight in API 5L Gr. B
API 5L Gr. B chemical composition (weight %)
API 5L PSL1 B seamless (45th/46th ed.)
| C | Mn | P | S | Cu | Ni | Cr | Mo | B | Nb+V+Ti | Nb+V |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.28 | ≤1.2 | ≤0.03 | ≤0.03 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.15 | ≤0.001 | ≤0.15 | ≤0.06 |
API 5L PSL1 B welded (45th/46th ed.)
| C | Mn | P | S | Cu | Ni | Cr | Mo | B | Nb+V+Ti | Nb+V |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.26 | ≤1.2 | ≤0.03 | ≤0.03 | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.15 | ≤0.001 | ≤0.15 | ≤0.06 |
Grades similar to API 5L Gr. B
Frequently asked questions
What is the equivalent of API 5L Gr. B?
API 5L Gr. B equivalents: USA (ASTM / AISI / SAE) API 5L Gr. B (PSL1 / PSL2); Europe (EN) L245 (ISO 3183); China (GB) L245. Equivalents are close but not always identical; check the standard on your order.
What is the chemical composition of API 5L Gr. B?
API 5L Gr. B (API 5L PSL1 B seamless (45th/46th ed.)): C ≤0.28, Mn ≤1.2, P ≤0.03, S ≤0.03, Cu ≤0.5, Ni ≤0.5, Cr ≤0.5, Mo ≤0.15, B ≤0.001, Nb+V+Ti ≤0.15, Nb+V ≤0.06 (weight %).
What is the density of API 5L Gr. B?
About 7.85 g/cm³ (7,850 kg/m³), the value used for weight calculations.
Can’t find your grade? Send it — we’ll source it.
Our stockist and mill sourcing network extends beyond the grades listed here. Send rare grades, unusual forms and small-quantity requirements for sourcing review.
One enquiry gives us the details to check suitable sources across the network and help move your purchase forward. Share the exact grade, standard, form, size, quantity, delivery town and required date. We’ll confirm availability, minimum order quantity and lead time against your requirement.
Mill test certificate (EN 10204 3.1) supplied with material; third-party inspection on request.
Need API 5L Gr. B?
Steel Impex India, Mumbai, supplies API 5L Gr. B in pipes, plates, sheets, bars and fittings as available. Send the grade, standard, size and quantity.
