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API 5L Grade B Pipe

Stainless Steel 304 Pipe
Sizes: 1/2" to 48" NB (Seamless & Welded)
WT: SCH 10 to SCH 160, XXS (Custom up to 100mm)
Length: SRL, DRL, and Fixed lengths up to 18m

Temperature: -29°C to 425°C (-20°F to 800°F)
Standard: API 5L / ISO 3183 (Grade B)
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API 5L Grade B Pipe Features

  • » Certification: MTC EN 10204 Type 3.1 & 3.2 (PSL1 and PSL2 Compliant)
  • » Material: API 5L Grade B (equivalent to ASTM A106 Gr. B / A53 Gr. B)
  • » Production Method: Seamless (SMLS), ERW, LSAW, and SSAW
  • » Mechanical: Minimum Yield Strength 245 MPa (35,500 psi)
  • » Testing: Ultrasonic, Hydrostatic, Magnetic Particle, and Charpy Impact (for PSL2)
  • » Surface Finish: Black Vanish, FBE Coating, 3PE, or Galvanized

API 5L Grade B Specification

API 5L Grade B Pipe Sizes

  • Seamless (SMLS): 1/2" NB - 24" NB
  • Welded (ERW): 2" NB - 24" NB
  • LSAW / SSAW: 16" NB - 100" NB
  • NPS Range: 1/2" to 48"

Standard Pipe Lengths

  • Single Random Length (SRL)
  • Double Random Length (DRL)
  • Fixed Length: 6m, 11.8m, 12m
  • Custom Lengths up to 18 Meters

Production & Manufacturing

  • Seamless (Hot Rolled/Cold Drawn)
  • ERW (Electric Resistance Welded)
  • LSAW (Longitudinal Submerged Arc)
  • SSAW (Spiral Submerged Arc)

API 5L Pipe End Options

  • Plain End (Square Cut)
  • Beveled End (30° +5°/-0°)
  • Threaded & Coupled (T&C)
  • Grooved Ends (Victaulic)

WT & Schedule (Wall Thickness)

  • Schedules: 10, 20, 40, 80, 160
  • Standard: STD, XS, XXS
  • Wall Thickness: 2mm to 100mm
  • Compliance: ASME B36.10M

Available Product Forms

  • Round Line Pipe
  • Square Hollow Sections
  • Rectangular Hollow Sections
  • Large Diameter Piles

Coatings & Surface Treatment

  • Black Vanished (Rust Prevention)
  • 3PE / 3PP / FBE Coating
  • Galvanized (Hot Dipped)
  • Oiled or Shot Blasted

Technical Compliance

  • API Spec 5L (PSL1 & PSL2)
  • ISO 3183 L245
  • ASTM A106 Grade B
  • ASTM A53 Grade B

Seaworthy Export Packing

  • Hexagonal Bundles (Steel Strapped)
  • Plastic End Caps / Protectors
  • Waterproof Plastic Wrapping
  • Marked as per API Standards

Logistics & Delivery

  • FOB / CIF / CFR / EXW
  • Ready Stock Dispatch: 2-3 Days
  • Mill Lead Time: 25-45 Days
  • Container or Bulk Shipment

Accepted Payment Terms

  • T/T (Telegraphic Transfer)
  • Irrevocable L/C At Sight
  • USD / EUR / GBP / INR
  • Document against Payment (D/P)

Global Shipping Modes

  • Ocean Freight (FCL/LCL)
  • Air Freight (Express Service)
  • Road Transport (Domestic/GCC)
  • Multimodal Logistics Support

Detailed API 5L Grade B Pipe Specification

Sizes Nominal Pipe Size 1/2" to 48" O.D.
Wall Thickness – Schedule 10 through 160, STD, XS, XXS.
Origin / Make Indian Origin, Japanese Origin, Korean Origin, European Origin, US Origin, Ukraine Origin, Russian Origin
Manufacturers Mills Indian Mills, Japanese Mills, Korean Mills, European Mills, US Mills, Russian Mills, Ukraine Mills
Thickness SCH 40, SCH 80, SCH 160, SCH XS, SCH XXS, All Schedules
Packing API 5L Pipe Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
Specials Customize Sizes and Specifications also available as per customer's specification in short time
Finishes Bare, Oiled, Mill Varnish, Galv, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Wrap. End Finishes: Beveled, Square Cut, Threaded & Coupled.
API 5L Grade B Hot Selling Grades X42 Pipe, X52 Pipe, X56 Pipe, X65 Pipe, X70 Pipe
API 5L Grade B Similar Group Grades GR A, GR B, X42, X46, X52, X56, X60, X65, X70, X80 etc.
Standard API 5L, API-2B, CSA Z245, ASTM A53, A106, ASTM A252, AS 1163, IPS 190 etc
Product Specification Level API 5L PSL 2, API 5L PSL 1
API 5L Seamless B (L245) – X42 (L290) – X52N (L360) – X60 (L415) – X65 (L450)
DIMENSION: FROM 1/4" UP TO 24"
API 5L Welded B (L245) – X42 (L290) – X52N (L360) – X60 (L415) – X65 (L450) – X70 (L485) – X80 (L555)
DIMENSION: FROM 1/2" UP TO 60"
End Connections for Line Pipes Plain, Bevel, Screwed, Threaded
API 5L Grade B Pipe Type Seamless / ERW / Welded / Fabricated / CDW
API 5L Pipe Form Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes
API Line Pipe Length Single Random, Double Random & Required Length, Custom Size – 12 Meter lengths
High Yield Seamless Pipe API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2
High Yield ERW/SAW Pipe API 5L Gr. X42/X46/X52/X56/X60/X65/X70/X80 PSL-1/PSL-2
ISO 3183 Gr. L245, L290, L320, L360, L390, L415, L450, L485
Value Added Service Galvanised Finish | Black Oil Paint | Heat Marked Pipes | Anti-Corrosion Oil, Galvanised Finish, Finish as per customer Requirements
Specialized API 5L Grade B Pipe, Seamless and Welded API 5L Grade B Carbon Steel Pipes Up To 48" Available in ready stock
Applications Oil Refineries, Petrochemicals, Power Generation (Nuclear/Thermal), Steel, Sugar, Boiler Equipments, Pressure Vessels and General Engineering Purposes
Inspection, Test Reports Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports, Destructive Test Report, Non Destructive Test Reports, India Boiler Regulations (IBR) Test Certificate, MTC, Mill TC EN 10204 3.1 | Lab Test Reports | Ex-Stock, Hydro test, UT test, Flatten test, Impact test, Tensile test, Yield Test, DWT test if agreed etc
Product Description Size Range (NB) Schedule / Wall Thickness Reference Standards
API 5L Gr.B Seamless Pipe 15 NB to 150 NB Sch. 40s to Sch. XXs ASTM A53 A/B
A-106 Gr. A, B, C
200 NB to 600 NB Sch. 20 to Sch. 160
API 5L Gr.B Welded (ERW) Pipe 15 NB to 150 NB Sch. 40s & Sch. XXs ASTM A53 A/B
API 5L
200 NB to 750 NB Sch. 20 to Sch. 160
API 5L Gr.B Low Temperature Carbon Steel 15 NB to 500 NB Sch. 40s to Sch. XXs A-333 Gr. 6 Seamless
Product Range Sizes (OD / WT) Standards Primary Applications
API 5L LSAW / HSAW / SSAW Line Pipe (X56) OD: 73 - 630mm
WT: 6 - 35mm
API 5L Gas, water, and petroleum transportation.
Carbon Steel Pipe / API 5L Structural Tube OD: 1-1/4" - 16"
WT: 0.109" - 0.562"
ASTM A53, A106, A500, A519, JIS G3441/3444, BS EN 10210-1 General structures, construction, machinery, and transport.
API 5L ERW Oil Pipe OD: 6.0 - 114.0mm
WT: 1.0 - 15.0mm
GB3087-1999, ASTM A179, ASTM A106, JIS G3454 Superheated pipelines, steam/boiling water tubes, and flue tubes.
API 5L Seamless Steel & API 5CT Drill Pipe OD: 19.05 - 168.3mm
WT: 2.31 - 14.27mm
ASTM A106, DIN 1629, GB/T8163, ASTM A53-98, JIS G3452/3454 Conveying petroleum, gas, and other fluids.
API 5L Line Pipe / OCTG Pipe OD: 73 - 630mm
WT: 6 - 35mm
API 5L Petroleum and natural gas industry transportation.
API 5L Drill Pipe (API 5L Grade) OD: 2-7/8" - 6-5/8"
WT: Up to 0.813"
API 5D Well drilling operations.
API 5L Petroleum Cracking & Gr. B Seamless OD: 1.315" - 20"
WT: 0.133" - 0.500"
GB9948-1988 Furnace tubes, heat exchangers, and refinery pipelines.

API 5L PSL-1 / PSL-2 Line Pipe Stock List

Grade B to X56 Stock Grade X56 to X80 Stock
  • API 5L Grade B PSL1 / PSL2 Line Pipes
  • API 5L Grade B PSL1 / PSL2 Sour Service
  • API 5L Grade B PSL1 / PSL2 NACE MR-0175
  • API 5L X42 PSL1 / PSL2 Line Pipes
  • API 5L X42 PSL1 / PSL2 Sour Service
  • API 5L X42 PSL1 / PSL2 NACE MR-0175
  • API 5L X46 PSL1 / PSL2 Line Pipes
  • API 5L X46 PSL1 / PSL2 Sour Service
  • API 5L X46 PSL1 / PSL2 NACE MR-0175
  • API 5L X52 PSL1 / PSL2 Line Pipes
  • API 5L X52 PSL1 / PSL2 Sour Service
  • API 5L X52 PSL1 / PSL2 NACE MR-0175
  • API 5L X56 PSL1 / PSL2 Line Pipes
  • API 5L X56 PSL1 / PSL2 Sour Service
  • API 5L X56 PSL1 / PSL2 NACE MR-0175
  • API 5L X60 PSL1 / PSL2 Line Pipes
  • API 5L X60 PSL1 / PSL2 Sour Service
  • API 5L X60 PSL1 / PSL2 NACE MR-0175
  • API 5L X65 PSL1 / PSL2 Line Pipes
  • API 5L X65 PSL1 / PSL2 Sour Service
  • API 5L X65 PSL1 / PSL2 NACE MR-0175
  • API 5L X70 PSL1 / PSL2 Line Pipes
  • API 5L X70 PSL1 / PSL2 Sour Service
  • API 5L X70 PSL1 / PSL2 NACE MR-0175
  • API 5L X80 PSL1 / PSL2 Line Pipes
  • API 5L X80 PSL1 / PSL2 Sour Service
  • API 5L X80 PSL1 / PSL2 NACE MR-0175

* All listed items are available ex-stock unless otherwise specified.

API 5L Line Pipe Ready Stock Inventory

Manufacturing & Standard Grades & Specifications Product Forms & Schedules
  • ASTM/ASME Standard Seamless
  • API 5L Seamless Line Pipe
  • API 5L ERW / EFW Pipe
  • API 5L HSAW / LSAW / SSAW
  • API SPEC 5L Welded Line Pipe
  • API 5D Drill Pipe Stock
  • Offshore Seamless Steel Pipe
  • Carbon Steel CDW / Fabricated
  • IBR Certified Carbon Steel Pipe
  • HFW / SMYS Line Pipe
  • API 5L Grade B (PSL1 & PSL2)
  • High Yield: X42, X46, X52, X56
  • Premium: X60, X65, X70, X80
  • Service Types:
  • Sour Service Line Pipe
  • NACE MR-0175 Compliant
  • HIC Tested Ready Stock
  • Low Temperature Carbon Steel
  • High Strength Low Alloy (HSLA)
  • Oilfield & Petroleum Grade
  • Forms: Round, Square, Rectangular
  • Coiled Tubes & "U" Shape
  • Hydraulic & Casing Tubes
  • Schedules:
  • SCH 20, 40, 80, 160
  • SCH STD, XS, XXS
  • Lengths:
  • Single Random (SRL)
  • Double Random (DRL)
  • Fixed 12-Meter Lengths

* Supplementary tests including HIC, UT, and Charpy Impact available upon request.

API 5L Chemical Composition (%)

Grade PSL1 (Max %) PSL2 (Max %)
C Mn P S C Mn P S
B0.261.200.030.030.221.300.0250.015
X420.261.300.030.030.221.400.0250.015
X460.261.400.030.030.221.400.0250.015
X520.261.400.030.030.221.400.0250.015
X560.261.400.030.030.221.400.0250.015
X600.261.400.030.030.221.450.0250.015
X650.261.450.030.030.221.650.0250.015
X700.261.650.030.030.221.850.0250.015

Mechanical Properties: PSL1

Grade Yield Strength (Min) Tensile Strength (Min)
Ksi MPa Ksi MPa
B3524160414
X424229060414
X464631763434
X525235966455
X565638671490
X606041475517
X656544877531

Mechanical Properties: PSL2

Grade Yield Strength Tensile Strength
Min Max Min Max
Ksi MPa Ksi MPa Ksi MPa Ksi MPa
B352416544860414110758
X42422907249660414110758
X46463177652463434110758
X52523597753166455110758
X56563867954471490110758
X60604148256575517110758
X65654488760077531110758

Types of API 5L Grade B

ASTM A312 TP316L Stainless Steel Seamless Pipe

API 5L Grade B Seamless Pipe

ASTM A312 TP316L Stainless Steel Welded Pipe

API 5L Grade B Welded Pipe

ASTM A312 TP316L Stainless Steel ERW Pipe

API 5L Grade B ERW Pipe

ASTM A358 TP316L Stainless Steel EFW Pipe

API 5L Grade B Carbon Steel Line Pipe

ASTM A312 TP316L Mirror Polished Pipe

API 5L Grade B Galvanized Pipe

ASTM A312 316L Stainless Steel Round Pipe

API 5L Grade B Spiral Welded Steel Pipe

API 5L Grade B Pipe Schedule Chart & Wall Thickness

NPS (in) OD (in) Wall Thickness (in) per Schedule
10 20 30 STD 40 60 XS 80 100 120 160 XXS
1/80.405--0.0680.0680.068-0.0950.095----
1/40.540--0.0880.0880.088-0.1190.119----
3/80.675--0.0910.0910.091-0.1260.126----
1/20.840---0.1090.109-0.1470.147--0.1870.294
3/41.050---0.1130.113-0.1540.154--0.2190.308
11.315---0.1330.133-0.1790.179--0.2500.358
1 1/41.660---0.1400.140-0.1910.191--0.2500.382
1 1/21.900---0.1450.145-0.2000.200--0.2810.400
22.375---0.1540.154-0.2180.218--0.3440.436
33.500---0.2160.216-0.3000.300--0.4380.600
44.500---0.2370.237-0.3370.337-0.4380.5310.674
66.625---0.2800.280-0.4320.432-0.5620.7190.864
88.625-0.2500.2770.3220.3220.4060.5000.5000.5940.7190.8120.875
1010.750-0.2500.3070.3650.3650.5000.5000.5940.7190.8441.0001.000
1212.750-0.2500.3300.3750.4060.5620.5000.6880.8441.0001.1251.000
1414.0000.2500.3120.3750.3750.4380.5940.5000.7500.9381.0941.250-
1616.0000.2500.3120.3750.3750.5000.6560.5000.8441.0311.2191.438-
2020.0000.2500.3750.5000.3750.5940.8120.5001.0311.2811.5001.750-
2424.0000.2500.3750.5620.3750.6880.9690.5001.2191.5311.8122.062-

Industrial Locations & Keywords

Industrial Locations & Keywords
Riyadh Industrial Cities (1st, 2nd, 3rd & Sudair)
Jeddah Industrial Cities (1st, 2nd & 3rd)
Dammam Industrial Areas (1st, 2nd & 3rd)
Jubail Industrial City
Yanbu Industrial City
Rabigh Industrial City
Al Khobar Industrial Area
Al Ahsa Industrial City
Madinah Industrial City
Makkah Industrial City
Taif Industrial City
Tabuk Industrial City
Jazan Industrial City
Industrial supplier in Saudi Arabia
Pipe fittings supplier in Jubail / Dammam / Riyadh
Flange and valve supplier Saudi Arabia
Fast delivery industrial materials KSA
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