SEAMLESS PIPE (CARBON)
Overview
Seamless Carbon Steel Pipe is engineered for high-pressure, high-temperature, and mission-critical service where mechanical integrity and uniform wall performance are mandatory. Manufactured without a welded seam, seamless pipe delivers superior strength, pressure ratings, and resistance to thermal cycling compared to welded pipe.
ACE supplies seamless pipe in ASTM A106 Grade B/C, ASTM A53 Type S, API-5L (B/X-grades), and A333 low-temperature service, supporting everything from refinery process lines to industrial steam systems, chemical transfer, hydraulic systems, and power generation.
Jump Links
Applications
- High-pressure steam, condensate & boiler systems
- Oil refinery process lines & high-temperature service
- Chemical processing & corrosive media transfer
- Hydraulic systems & high-pressure manifolds
- Power generation — fossil, nuclear & turbine systems
- Natural gas distribution & transmission lines
- High-pressure air, nitrogen, oxygen and inert gasses
- Low-temperature & cryogenic service (A333 grades)
- Critical industrial piping requiring burst strength margins
Technical Specifications
- Standards: ASTM A106 Gr B/C, ASTM A53 Type S, ASTM A333 Gr 1/6, API-5L B/X42–X65
- Manufacturing Process: Hot-finished or cold-drawn seamless (CDS)
- Schedules: 20, 40 (STD), 80, 160, XXH
- Pressure Capability: Superior burst & collapse resistance due to no weld seam
- End Options: Plain end, beveled, threaded (= NPS 2"), grooved (if allowed)
- Diameter Range: NPS 1/8" – 24"
- Pipe Lengths: SRL, DRL, or custom-cut for skid packages & manifold systems
- Nondestructive Testing: Eddy current, hydrostatic, UT, dimensional checks
- MTR Packages: Full heat traceability + SmartCert® digital delivery
Refine Your Results
Schedule
Grade
Size
Length
- 3/8" STD / S40S (.091") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPC-040SCS
- G
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 3/8"3/8" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3/8" XH / S80S (.126") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPC-080SCS
- G
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 3/8"3/8" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1/2" STD / S40S (.109") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPD-040SCS
- C
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 1/2"1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1/2" STD / S40S (.109") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPD-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 1/2"1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1/2" XH / S80S (.147") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPD-080SCS
- G
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 1/2"1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1/2" XH / S80S (.147") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPD-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 1/2"1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3/4" STD / S40S (.113") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPE-040SCS
- G
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 3/4"3/4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3/4" STD / S40S (.113") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPE-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 3/4"3/4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3/4" XH / S80S (.154") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPE-080SCS
- A
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 3/4"3/4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3/4" XH / S80S (.154") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPE-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 3/4"3/4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1" STD / S40S (.133") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPF-040SCS
- A
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 1"1" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1" STD / S40S (.133") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPF-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 1"1" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1" XH / S80S (.179") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPF-080SCS
- A
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 1"1" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1" XH / S80S (.179") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPF-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 1"1" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1-1/4" STD / S40S (.140") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPG-040SCS
- C
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 1-1/4"1-1/4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1-1/4" STD / S40S (.140") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPG-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 1-1/4"1-1/4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1-1/4" XH / S80S (.191") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPG-080SCS
- G
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 1-1/4"1-1/4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1-1/4" XH / S80S (.191") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPG-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 1-1/4"1-1/4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1-1/2" STD / S40S (.145") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPH-040SCS
- A
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 1-1/2"1-1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1-1/2" STD / S40S (.145") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPH-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 1-1/2"1-1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1-1/2" XH / S80S (.200") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPH-080SCS
- A
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 1-1/2"1-1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 1-1/2" XH / S80S (.200") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPH-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 1-1/2"1-1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 2" STD / S40S (.154") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPI-040SCS
- A
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 2"2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 2" STD / S40S (.154") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPI-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 2"2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 2" XH / S80S (.218") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPI-080SCS
- A
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 2"2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 2" XH / S80S (.218") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPI-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 2"2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 2-1/2" STD / S40S (.203") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPJ-040SCS
- A
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 2-1/2"2-1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 2-1/2" STD / S40S (.203") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPJ-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 2-1/2"2-1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 2-1/2" XH / S80S (.279") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPJ-080SCS
- G
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 2-1/2"2-1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 2-1/2" XH / S80S (.276") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPJ-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 2-1/2"2-1/2" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3" STD / S40S (.216") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPK-040SCS
- A
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 3"3" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3" STD / S40S (.216") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPK-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 3"3" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3" XH / S80S (.300") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPK-080SCS
- G
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 3"3" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 3" XH / S80S (.300") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPK-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 3"3" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 4" STD / S40S (.237") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPM-040SCS
- C
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 4"4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 4" STD / S40S (.237") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPM-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 4"4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 4" XH / S80S (.337") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPM-080SCS
- C
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 4"4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 4" XH / S80S (.337") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPM-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 4"4" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 5" STD / S40S (.258") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPN-040SCS
- G
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 5"5" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 5" XH / S80S (.375") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPN-080SCS
- C
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 5"5" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 6" STD / S40S (.280") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPO-040SCS
- A
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 6"6" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 6" STD / S40S (.280") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPO-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 6"6" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 6" XH / S80S (.432") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPO-080SCS
- C
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 6"6" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 6" XH / S80S (.432") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPO-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 6"6" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 8" STD / S40S (.322") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPP-040SCS
- G
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 8"8" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 8" STD / S40S (.322") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPP-040SCSD
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 8"8" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 8" XH / S80S (.500") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPP-080SCS
- G
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 8"8" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 8" XH / S80S (.500") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL DOMESTIC See Details
- FTPP-080SCSD
- 0
| Schedule: | XH / S80SXH / S80S |
| Grade: | CS BLKCS BLK |
| Size: | 8"8" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 10" STD / S40S (.365") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPQ-040SCS
- G
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 10"10" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
- 12" STD / S40S (.406") CS BLK SMLS PLAIN END PIPE MILL FINISH 21' SRL IMPORT See Details
- FTPR-040SCS
- G
- 0
| Schedule: | STD / S40SSTD / S40S |
| Grade: | CS BLKCS BLK |
| Size: | 12"12" |
| Length: | MILL FINISHMILL FINISH |
- Log in for price
No items match your selected filters. Please change or reset your filters to try again.
Industries Served
- Oil & Gas — upstream, midstream & downstream
- Refining, petrochemical & chemical processing
- Power generation — steam, turbine, combined-cycle
- High-pressure hydraulic & mechanical systems
- Nuclear & specialty energy sectors
- Industrial processing plants & OEM skid fabrication
- Cryogenic systems (LNG, cold box, low-temp facilities)
- Mining, metals & heavy industrial operations
Integration & Workflow
- Pairs with high-pressure forged fittings, socket-weld fittings & Class 600–2500 flanges
- Ideal for fabrication of power piping, pressure headers & steam distribution manifolds
- Optional cold-drawn tubing improves dimensional accuracy & ID finish
- ACE supports complete cut-to-length, beveling, threading & end-prep service
- SmartCert® digital MTRs ensure real-time traceability for QA/QC teams
- Compatible with U-stamps, R-stamps & ASME B31.1/B31.3 project documentation
- Excellent for OEM manufacturers building pressure skids & modular systems
Loading
Item Added to Cart
View Cart
View Cart
Wishlist Updated
View Wishlist
View Wishlist
This website uses cookies to ensure you get the best user experience. By continuing to use this site, you agree to our
Cookie Policy and Privacy Policy.