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API 5CT P110 Carbon Steel Seamless Oil Casing Pipe with 30-426mm Outer Diameter and 2-100mm Thickness for Petroleum and Petrochemical

Name: API 5CT P110 Carbon Steel Seamless Oil Casing Pipe with 30426mm Outer Diameter and 2100mm Thickness for Petroleum and Petrochemical
Brand: TORICH
Price: 60000 USD

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Brand Name :	TORICH
Model Number :	Oil Casing Pipe
Certification :	ISO9001 ISO 14001 TS16949
Price :	60000 Ton/Tons per Year
Payment Terms :	L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability :	60000 Ton/Tons per Year
Delivery Time :	20-30days upon products

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API 5CT P110 Carbon Steel Seamless Oil Casing Pipe with 30-426mm Outer Diameter and 2-100mm Thickness for Petroleum and Petrochemical

Oil Casing Pipe – API 5CT Grades P110, N80, L80, K55 (Carbon Steel Seamless)

Material

This product is a seamless oil casing pipe made from carbon steel, conforming to API 5CT (Oil Country Tubular Goods – Casing & Tubing) grades P110, N80, L80, K55. These grades denote progressively higher strength and toughness, for use in petroleum and petrochemical wells. Seamless construction gives high structural integrity and resistance to internal and external pressure.

Specification

Standard: API Spec 5CT
Grades: P110, N80, L80, K55
Type: Seamless carbon steel tube / pipe
Wall finish: Typically black (for casing), machined threads as per ASTM/API connection types (BTC, LTC, STC, premium threads)
Sizes: Outer diameters typically from ~4½″ up to ~20″ for casing, with wall thicknesses to suit pressure classes.
Heat treatment: For grades like P110 and N80-Q, quenched & tempered; for some others normalized or normalized + tempered depending on grade.

Chemical Composition

Grade	C (%)	Si (%)	Mn (%)	P (max %)	S (max %)	Cr (%)	Ni (%)	Cu (%)	Mo (%)	Other / Notes
J55	~0.34-0.39	0.20-0.35	1.25-1.50	≤0.020	≤0.015	~0.15	~0.20	~0.20	–	–
K55	~0.34-0.39	0.20-0.35	1.25-1.50	≤0.020	≤0.015	~0.15	~0.20	~0.20	–	–
N80	~0.34-0.38	0.20-0.35	1.45-1.70	≤0.020	≤0.015	~0.15	–	–	~0.11-0.16	–
L80	~0.15-0.22	~0.25-1.00	~0.50-1.00	≤0.020	≤0.010	12.0-14.0 (for Cr variants)	~0.20	~0.20	–	L80-1 is basic; L80-9Cr, L80-13Cr include higher Cr for corrosion resistance.
P110	~0.26-0.35	0.17-0.37	0.40-0.70	≤0.020	≤0.010	~0.80-1.10	~0.20	~0.20	~0.15-0.25	–

Mechanical Properties

Grade	Yield Strength (MPa)	Tensile Strength, min (MPa)	Elongation, min (%)	Notes / Heat Treatment
J55	~379-552 MPa	≥ 517 MPa	≥ ~19-20 %	Lower strength, shallower-well service. Normalized or normalized & tempered for PSL2.
K55	~379-552 MPa	≥ 655 MPa	≥ ~15 %	Higher tensile than J55.
N80	~552-758 MPa	≥ 689 MPa	mid-teens to ~20 % depending on subtype (N80-1 vs N80-Q)	N80-Q (quenched & tempered) shows higher collapse/internal pressure resistance.
L80	~552-665 MPa	≥ 655 MPa	~15-20 %	For corrosive / sour service Cr-variants apply.
P110	~758-965 MPa	≥ 862 MPa	lower than lower grades but sufficient toughness; elongation typically ≥ ~12-15 % depending on size/spec.	Deep well, high pressure; heat treated (quenched & tempered) as required by API 5CT.

Key Features

High strength and toughness: higher grades (P110, N80) provide high yield and ultimate strength, required in deep wells and high pressure.
Seamless construction: avoids weld seams, which are potential weak points under internal/external pressures.
Variety of grades: allows selection based on depth, pressure, corrosion environment (presence of H₂S, CO₂), economic trade-offs.
Threaded connections compatible with API 5CT requirements.
Corrosion resistance: Cr-variants (e.g. L80-9Cr, L80-13Cr) used in sour service or CO₂ environments.

Execution

Primary Standard: API Spec 5CT – specification for casing and tubing materials, dimensions, mechanical and chemical properties.
Related Standards: ISO 11960 (international equivalent or close for many regions) for casing and tubing steels.
Heat Treatment Requirements: For certain grades (e.g. P110, N80-Q), quenching and tempering as per API 5CT. Normalizing or normalized + tempering for other grades or PSL2 variants.

Applications

General Application Field: Oil and gas wells – both drilling / completion / production phases; includes petroleum extraction, natural gas wells, petrochemical feedstock wells; also wells involving corrosive environments and high pressures.

Specific Uses by Grade / Environment:

J55, K55: Shallow wells; surface casing; less intense pressure; non-sour environments; cost-sensitive projects.
N80: Intermediate to deeper wells; higher pressures; zones requiring better collapse resistance; in some cases moderate sour service if spec’ed appropriately (e.g. N80-Q).
L80 & its Cr-variants: Service in CO₂ or H₂S containing fluids; sour or corrosive environments; deeper or offshore wells with need for corrosion resistance plus mechanical strength.
P110: Deep wells, high pressure; high collapse, internal and external pressures; production casing / tubing where strength is critical; zones with extreme mechanical stresses.

Q: Are you trading company or manufacturer ?

A: manufacturer,also can do trading.

Q: How long is your delivery time?

A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock,

it is according to quantity.

Q: Do you provide samples? is it free or extra ?

A: Yes, we could offer the sample for free charge but need pay the cost of freight.

Q: What is your terms of payment ?

A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

If you have another question, pls feel free to contact with me.

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API 5CT P110 Carbon Steel Seamless Oil Casing Pipe with 30-426mm Outer Diameter and 2-100mm Thickness for Petroleum and Petrochemical

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API 5CT P110 Carbon Steel Seamless Oil Casing Pipe with 30-426mm Outer Diameter and 2-100mm Thickness for Petroleum and Petrochemical

API 5CT P110 Carbon Steel Seamless Oil Casing Pipe with 30-426mm Outer Diameter and 2-100mm Thickness for Petroleum and Petrochemical

API 5CT P110 Carbon Steel Seamless Oil Casing Pipe with 30-426mm Outer Diameter and 2-100mm Thickness for Petroleum and Petrochemical

Oil Casing Pipe – API 5CT Grades P110, N80, L80, K55 (Carbon Steel Seamless)

Material

Specification

Chemical Composition

Mechanical Properties

Key Features

Execution

Applications

Q: Are you trading company or manufacturer ?

Q: How long is your delivery time?

Q: Do you provide samples? is it free or extra ?

Q: What is your terms of payment ?

API 5CT P110 Oil Casing Pipe

30-426mm Seamless Oil Pipe

2-100mm Carbon Steel Seamless Pipe

API 5CT P110 Carbon Steel Seamless Oil Casing Pipe with 30-426mm Outer Diameter and 2-100mm Thickness for Petroleum and Petrochemical

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