Mansa Metal& Hardware

Seamless Carbon Steel Pipes

Grade B / API 5L seamless pipes. Choose nominal size and Schedule 40, 80 or 160 from the published dimension tables.

Available sizes & specifications

Sold by length Standard length5.8 m
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Mansa material guide · Composition and properties for this product’s material and listed grades.

Actual material composition and properties depend on available stock and will be provided by your sales executive.

Seamless carbon steel — Grade B / API 5L

Grade B / API 5L

Seamless carbon-steel pipes in Grade B / API 5L, with Schedule 40, 80 and 160 options.

Composition

Element / constituentComposition
Carbon (C)≤ 0.30 % by mass
Silicon (Si)≤ 0.10 % by mass
Manganese (Mn)≤ 1.20 % by mass
Phosphorus (P)≤ 0.05 % by mass
Sulphur (S)≤ 0.06 % by mass
Chromium (Cr)≤ 0.40 % by mass
Molybdenum (Mo)≤ 0.15 % by mass
Nickel (Ni)≤ 0.40 % by mass

Material properties

  • Manufactured without a welded seam.
  • Choose the wall-thickness schedule for your required application.
Product information & dimension diagram
Need a different cut or specification? Describe the requirement and our team will discuss sourcing it. Describe a custom requirement

45 of 45 options shownOur sales team will confirm pricing and availability.

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Product code Nominal pipe size
in (mm)
Schedule OD
mm
Thickness t
mm
Price Add to basket
MN-CSSE-001 — Seamless Carbon Steel Pipes — Nominal pipe size: 3/8 in, Schedule: 40, OD: 17.10 mm, Thickness t: 2.31 mm · 5.8 m · Grade B / API 5L [length] 3/8(10) 40 17.10 2.31 Price to be confirmed

MN-CSSE-002 — Seamless Carbon Steel Pipes — Nominal pipe size: 1/2 in, Schedule: 40, OD: 21.30 mm, Thickness t: 2.77 mm · 5.8 m · Grade B / API 5L [length] 1/2(15) 40 21.30 2.77 Price to be confirmed

MN-CSSE-003 — Seamless Carbon Steel Pipes — Nominal pipe size: 3/4 in, Schedule: 40, OD: 26.70 mm, Thickness t: 2.87 mm · 5.8 m · Grade B / API 5L [length] 3/4(20) 40 26.70 2.87 Price to be confirmed

MN-CSSE-004 — Seamless Carbon Steel Pipes — Nominal pipe size: 1 in, Schedule: 40, OD: 33.40 mm, Thickness t: 3.38 mm · 5.8 m · Grade B / API 5L [length] 1(25) 40 33.40 3.38 Price to be confirmed

MN-CSSE-005 — Seamless Carbon Steel Pipes — Nominal pipe size: 1 1/4 in, Schedule: 40, OD: 42.20 mm, Thickness t: 3.56 mm · 5.8 m · Grade B / API 5L [length] 1 1/4(32) 40 42.20 3.56 Price to be confirmed

MN-CSSE-006 — Seamless Carbon Steel Pipes — Nominal pipe size: 1 1/2 in, Schedule: 40, OD: 48.30 mm, Thickness t: 3.68 mm · 5.8 m · Grade B / API 5L [length] 1 1/2(40) 40 48.30 3.68 Price to be confirmed

MN-CSSE-007 — Seamless Carbon Steel Pipes — Nominal pipe size: 2 in, Schedule: 40, OD: 60.30 mm, Thickness t: 3.91 mm · 5.8 m · Grade B / API 5L [length] 2(50) 40 60.30 3.91 Price to be confirmed

MN-CSSE-008 — Seamless Carbon Steel Pipes — Nominal pipe size: 2 1/2 in, Schedule: 40, OD: 73.00 mm, Thickness t: 5.16 mm · 5.8 m · Grade B / API 5L [length] 2 1/2(65) 40 73.00 5.16 Price to be confirmed

MN-CSSE-009 — Seamless Carbon Steel Pipes — Nominal pipe size: 3 in, Schedule: 40, OD: 88.90 mm, Thickness t: 5.49 mm · 5.8 m · Grade B / API 5L [length] 3(80) 40 88.90 5.49 Price to be confirmed

MN-CSSE-010 — Seamless Carbon Steel Pipes — Nominal pipe size: 4 in, Schedule: 40, OD: 114.30 mm, Thickness t: 6.02 mm · 5.8 m · Grade B / API 5L [length] 4(100) 40 114.30 6.02 Price to be confirmed

MN-CSSE-011 — Seamless Carbon Steel Pipes — Nominal pipe size: 5 in, Schedule: 40, OD: 141.30 mm, Thickness t: 6.55 mm · 5.8 m · Grade B / API 5L [length] 5(125) 40 141.30 6.55 Price to be confirmed

MN-CSSE-012 — Seamless Carbon Steel Pipes — Nominal pipe size: 6 in, Schedule: 40, OD: 168.30 mm, Thickness t: 7.11 mm · 5.8 m · Grade B / API 5L [length] 6(150) 40 168.30 7.11 Price to be confirmed

MN-CSSE-013 — Seamless Carbon Steel Pipes — Nominal pipe size: 8 in, Schedule: 40, OD: 219.10 mm, Thickness t: 8.18 mm · 5.8 m · Grade B / API 5L [length] 8(200) 40 219.10 8.18 Price to be confirmed

MN-CSSE-014 — Seamless Carbon Steel Pipes — Nominal pipe size: 10 in, Schedule: 40, OD: 273.00 mm, Thickness t: 9.27 mm · 5.8 m · Grade B / API 5L [length] 10(250) 40 273.00 9.27 Price to be confirmed

MN-CSSE-015 — Seamless Carbon Steel Pipes — Nominal pipe size: 12 in, Schedule: 40, OD: 323.80 mm, Thickness t: 10.31 mm · 5.8 m · Grade B / API 5L [length] 12(300) 40 323.80 10.31 Price to be confirmed

MN-CSSE-016 — Seamless Carbon Steel Pipes — Nominal pipe size: 14 in, Schedule: 40, OD: 355.60 mm, Thickness t: 11.13 mm · 5.8 m · Grade B / API 5L [length] 14(350) 40 355.60 11.13 Price to be confirmed

MN-CSSE-017 — Seamless Carbon Steel Pipes — Nominal pipe size: 16 in, Schedule: 40, OD: 406.40 mm, Thickness t: 12.70 mm · 5.8 m · Grade B / API 5L [length] 16(400) 40 406.40 12.70 Price to be confirmed

MN-CSSE-018 — Seamless Carbon Steel Pipes — Nominal pipe size: 18 in, Schedule: 40, OD: 457.20 mm, Thickness t: 14.27 mm · 5.8 m · Grade B / API 5L [length] 18(450) 40 457.20 14.27 Price to be confirmed

MN-CSSE-019 — Seamless Carbon Steel Pipes — Nominal pipe size: 20 in, Schedule: 40, OD: 508.00 mm, Thickness t: 15.06 mm · 5.8 m · Grade B / API 5L [length] 20(500) 40 508.00 15.06 Price to be confirmed

MN-CSSE-020 — Seamless Carbon Steel Pipes — Nominal pipe size: 24 in, Schedule: 40, OD: 610.00 mm, Thickness t: 17.48 mm · 5.8 m · Grade B / API 5L [length] 24(600) 40 610.00 17.48 Price to be confirmed

MN-CSSE-021 — Seamless Carbon Steel Pipes — Nominal pipe size: 3/8 in, Schedule: 80, OD: 17.10 mm, Thickness t: 3.20 mm · 5.8 m · Grade B / API 5L [length] 3/8(10) 80 17.10 3.20 Price to be confirmed

MN-CSSE-022 — Seamless Carbon Steel Pipes — Nominal pipe size: 1/2 in, Schedule: 80, OD: 21.30 mm, Thickness t: 3.73 mm · 5.8 m · Grade B / API 5L [length] 1/2(15) 80 21.30 3.73 Price to be confirmed

MN-CSSE-023 — Seamless Carbon Steel Pipes — Nominal pipe size: 3/4 in, Schedule: 80, OD: 26.70 mm, Thickness t: 3.91 mm · 5.8 m · Grade B / API 5L [length] 3/4(20) 80 26.70 3.91 Price to be confirmed

MN-CSSE-024 — Seamless Carbon Steel Pipes — Nominal pipe size: 1 in, Schedule: 80, OD: 33.40 mm, Thickness t: 4.55 mm · 5.8 m · Grade B / API 5L [length] 1(25) 80 33.40 4.55 Price to be confirmed

MN-CSSE-025 — Seamless Carbon Steel Pipes — Nominal pipe size: 1 1/4 in, Schedule: 80, OD: 42.20 mm, Thickness t: 4.85 mm · 5.8 m · Grade B / API 5L [length] 1 1/4(32) 80 42.20 4.85 Price to be confirmed

MN-CSSE-026 — Seamless Carbon Steel Pipes — Nominal pipe size: 1 1/2 in, Schedule: 80, OD: 48.30 mm, Thickness t: 5.08 mm · 5.8 m · Grade B / API 5L [length] 1 1/2(40) 80 48.30 5.08 Price to be confirmed

MN-CSSE-027 — Seamless Carbon Steel Pipes — Nominal pipe size: 2 in, Schedule: 80, OD: 60.30 mm, Thickness t: 5.54 mm · 5.8 m · Grade B / API 5L [length] 2(50) 80 60.30 5.54 Price to be confirmed

MN-CSSE-028 — Seamless Carbon Steel Pipes — Nominal pipe size: 2 1/2 in, Schedule: 80, OD: 73.00 mm, Thickness t: 7.01 mm · 5.8 m · Grade B / API 5L [length] 2 1/2(65) 80 73.00 7.01 Price to be confirmed

MN-CSSE-029 — Seamless Carbon Steel Pipes — Nominal pipe size: 3 in, Schedule: 80, OD: 88.90 mm, Thickness t: 7.62 mm · 5.8 m · Grade B / API 5L [length] 3(80) 80 88.90 7.62 Price to be confirmed

MN-CSSE-030 — Seamless Carbon Steel Pipes — Nominal pipe size: 4 in, Schedule: 80, OD: 114.30 mm, Thickness t: 8.56 mm · 5.8 m · Grade B / API 5L [length] 4(100) 80 114.30 8.56 Price to be confirmed

MN-CSSE-031 — Seamless Carbon Steel Pipes — Nominal pipe size: 5 in, Schedule: 80, OD: 141.30 mm, Thickness t: 9.52 mm · 5.8 m · Grade B / API 5L [length] 5(125) 80 141.30 9.52 Price to be confirmed

MN-CSSE-032 — Seamless Carbon Steel Pipes — Nominal pipe size: 6 in, Schedule: 80, OD: 168.30 mm, Thickness t: 10.97 mm · 5.8 m · Grade B / API 5L [length] 6(150) 80 168.30 10.97 Price to be confirmed

MN-CSSE-033 — Seamless Carbon Steel Pipes — Nominal pipe size: 8 in, Schedule: 80, OD: 219.10 mm, Thickness t: 12.70 mm · 5.8 m · Grade B / API 5L [length] 8(200) 80 219.10 12.70 Price to be confirmed

MN-CSSE-034 — Seamless Carbon Steel Pipes — Nominal pipe size: 10 in, Schedule: 80, OD: 273.00 mm, Thickness t: 15.07 mm · 5.8 m · Grade B / API 5L [length] 10(250) 80 273.00 15.07 Price to be confirmed

MN-CSSE-035 — Seamless Carbon Steel Pipes — Nominal pipe size: 12 in, Schedule: 80, OD: 323.80 mm, Thickness t: 17.35 mm · 5.8 m · Grade B / API 5L [length] 12(300) 80 323.80 17.35 Price to be confirmed

MN-CSSE-036 — Seamless Carbon Steel Pipes — Nominal pipe size: 3/8 in, Schedule: 160, OD: 17.10 mm, Thickness t: 4.78 mm · 5.8 m · Grade B / API 5L [length] 3/8(10) 160 17.10 4.78 Price to be confirmed

MN-CSSE-037 — Seamless Carbon Steel Pipes — Nominal pipe size: 1/2 in, Schedule: 160, OD: 21.30 mm, Thickness t: 4.78 mm · 5.8 m · Grade B / API 5L [length] 1/2(15) 160 21.30 4.78 Price to be confirmed

MN-CSSE-038 — Seamless Carbon Steel Pipes — Nominal pipe size: 3/4 in, Schedule: 160, OD: 26.70 mm, Thickness t: 5.56 mm · 5.8 m · Grade B / API 5L [length] 3/4(20) 160 26.70 5.56 Price to be confirmed

MN-CSSE-039 — Seamless Carbon Steel Pipes — Nominal pipe size: 1 in, Schedule: 160, OD: 33.40 mm, Thickness t: 6.35 mm · 5.8 m · Grade B / API 5L [length] 1(25) 160 33.40 6.35 Price to be confirmed

MN-CSSE-040 — Seamless Carbon Steel Pipes — Nominal pipe size: 1 1/2 in, Schedule: 160, OD: 48.30 mm, Thickness t: 7.14 mm · 5.8 m · Grade B / API 5L [length] 1 1/2(40) 160 48.30 7.14 Price to be confirmed

MN-CSSE-041 — Seamless Carbon Steel Pipes — Nominal pipe size: 2 in, Schedule: 160, OD: 60.30 mm, Thickness t: 8.74 mm · 5.8 m · Grade B / API 5L [length] 2(50) 160 60.30 8.74 Price to be confirmed

MN-CSSE-042 — Seamless Carbon Steel Pipes — Nominal pipe size: 3 in, Schedule: 160, OD: 88.90 mm, Thickness t: 11.12 mm · 5.8 m · Grade B / API 5L [length] 3(80) 160 88.90 11.12 Price to be confirmed

MN-CSSE-043 — Seamless Carbon Steel Pipes — Nominal pipe size: 4 in, Schedule: 160, OD: 114.30 mm, Thickness t: 13.49 mm · 5.8 m · Grade B / API 5L [length] 4(100) 160 114.30 13.49 Price to be confirmed

MN-CSSE-044 — Seamless Carbon Steel Pipes — Nominal pipe size: 5 in, Schedule: 160, OD: 141.30 mm, Thickness t: 15.88 mm · 5.8 m · Grade B / API 5L [length] 5(125) 160 141.30 15.88 Price to be confirmed

MN-CSSE-045 — Seamless Carbon Steel Pipes — Nominal pipe size: 6 in, Schedule: 160, OD: 168.30 mm, Thickness t: 18.26 mm · 5.8 m · Grade B / API 5L [length] 6(150) 160 168.30 18.26 Price to be confirmed

Choosing seamless carbon steel pipes

Grade B / API 5L seamless pipes. Choose nominal size and Schedule 40, 80 or 160 from the published dimension tables.

How do I order seamless carbon steel pipes?

Compare the listed dimensions and units before choosing your quantity. Add your selection to the basket and send your requirements. Sales will confirm availability and prepare your quotation; submitting a request does not take payment.

What if my size or grade is not listed?

Use the custom requirement form above the product table to describe the size, grade, cut or quantity you need. For stainless steel, specify the required grade as well as the dimensions.

How are material properties and delivery confirmed?

Actual material composition and properties depend on available stock and will be provided by the sales executive. Share your delivery location so sales can confirm the delivery arrangements and cost in your quotation.

Speak to Mansa sales about your requirements, or browse all material categories.