As a prominent supplier, Excellent Overseas is responsible for delivering unparalleled quality in API 5L Grade B Seamless Pipe Suppliers and API 5L Grade B PSL2 Material Stock from leading Manufacturers like Tubes, MSL, Seah, Hyundai, ArcelorMittal and NSSMC.

Table of Content

API 5L Grade B Pipe Supply Range and Dimensions

Sizes1/2" to 48" O.D. (4"–26" Ex-Stock)
Wall ThicknessSCH 10 to SCH XXS; Heavy wall available
Pipe LengthSRL, DRL, 6m, 12m, Custom Cut Lengths
Pipe TypesSeamless (SMLS), ERW, CDW, Welded, Fabricated, LSAW, DSAW, SSAW
Pipe EndsPlain, Bevel, Screwed, Threaded
TechniqueHot Rolled, Cold Drawn
Standard & GradeANSI/API Spec 5L Grade B
Specification LevelPSL 1 & PSL 2
Delivery ConditionsN, Q, S, M, R (As specified by API 5L edition)
Coating3LPE, 3PP, FBE, Galvanizing, Tar Epoxy
Value Added ServicesMachining, Bending, Sand Blasting, ARO, Annealed, Draw & Expansion
PackingWooden Boxes, Plastic Bags, Steel Strips Bundled, or Custom
CertificationsEN 10204 3.1 / 3.2, TPI, NDT, UT, Hydro
Material OriginsIndian, Japanese, Korean, European, US, Ukraine, Russian
ApplicationsConveying gas, water, oil, Oil Refineries, Petrochemicals, Power Generation, Steel, Sugar, Boilers, Pressure Vessels

Manufacturers in Stock

Hyundai Hysco
Hyundai Hysco
Valcovny Trub
Valcovny Trub
Benteler
Benteler Make
SEAH Korea
SEAH Korea
Butting
Butting Make
JFE
JFE Make
Arcelormittal
ArcelorMittal
Tenaris
Tenaris Steel
MSL
MSL Make
Nippon Steel
Nippon Steel
Tubular Canada
Tubular Canada
Tubos
Tubos API

Chemical Composition API 5L Grade B PSL1

Steel Grade Product Form C (max) Mn (max) P (max) S (max) V (max) Nb (max) Ti (max)
L245 or B Seamless Pipe 0.28 1.20 0.030 0.030 c, d c, d d
L245 or B Welded Pipe 0.26 1.20 0.030 0.030 c, d c, d d

a. Cu ≤ 0.50 %; Ni ≤ 0.50 %; Cr ≤ 0.50 % and Mo ≤ 0.15 %
No deliberate addition of B is permitted and the residual B ≤ 0.001 %.

Mechanical Properties for API 5L Grade B PSL1

Pipe Grade Yield Strength (Rt0.5)
MPa (psi) min.		 Tensile Strength (Rm)
MPa (psi) min.		 Elongation
Af %
L245 or B 245 (35,500) 415 (60,200) c

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Chemical Composition API 5L Grade B PSL2

Steel Grade C Si Mn P S V Nb Ti CEIIW CEPcm
L245R or BR 0.24 0.40 1.20 0.025 0.015 c c 0.04 0.43 0.25
L245N or BN 0.24 0.40 1.20 0.025 0.015 c c 0.04 0.43 0.25
L245Q or BQ 0.24 0.45 1.40 0.025 0.015 0.05 0.05 0.05 0.43 0.25
L245M or BM 0.22 0.45 1.20 0.025 0.015 0.05 0.05 0.04 0.43 0.25

a. Based upon product analysis. For seamless pipe with t > 20.0 mm (0.787 in), the CE limits shall be agreed. The CEIIW limits apply if C > 0.12 % and the CEPcm limits apply if C ≤ 0.12 %

Mechanical Properties for API 5L Grade B PSL2

Pipe Grade Yield Strength (Rt0.5)
MPa (psi) min-max		 Tensile Strength (Rm)
MPa (psi) min-max		 Ratio (Rt0.5/Rm)
maximum		 Elongation
Af %
L245R/BR
L245N/BN
L245Q/BQ
L245M/BM		 245 - 450
(35,500 - 65,300)		 415 - 655
(60,200 - 95,000)		 0.93 f

API 5L Grade B Pipe Manufacturing Process

API 5L Pipe Manufacturing Process

Coating Material & Protection

Excellent Overseas supplies HIC and SSCC Tested API 5L Pipe with Multilayer Coating as per Requirement.

Liquid Epoxy Coated Steel Pipes
3LPE Coated Steel Pipes
FBE Coated Steel Pipes

API 5L Grade B Seamless Pipe – Heat Treatment

Heat Treatment Requirement
As-Rolled Permitted where applicable
Normalizing Where specified or applicable
Normalizing and Tempering Where permitted by the applicable delivery condition
Quenching and Tempering Applicable only where specified and permitted for the ordered grade and PSL
Thermomechanical Processing Where applicable to the specified manufacturing route

API 5L Grade B – Material Designation

Standard PSL Grade Equivalent Designation Minimum Yield Strength
API 5L PSL1 Grade B L245 245 MPa
PSL2 Grade B L245; delivery-condition suffix as applicable 245 MPa

Quality Assurance and Testing

The following tests are performed as required by the applicable standard, purchase order and project specification.

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