API-5CT N80 oilfield casing pipe contains N80-1 and N80-Q types. Those two materials are absolutely consistent regarding the chemical composition and mechanical attributes, they are just various in the heat treatment.
During heat treatment, N80-1 steel is treated by normalizing and tempering, while N80Q steel is treated by quenching and tempering. Therefore, the collapsing strength and internal pressure strength of N80Q are higher than that of N80-1. N80-1 or N80Q should be clearly shown by the designer when N80 casing is selected.
As its mechanical properties are higher than J55 and K55 types, it may very well be utilized to certain a little more challenging formations. With deeper downhole depth than J55 and K55 types, it can be applied for the exploitation of middle-level oil and gas.
Due to the high capability of N80 material, those API-5CT casing pipes are broadly applied in natural gas as well as coal bed methane extraction, and geothermal wells.
OCTG Tubing in API 5CT mainly used to transport oil and gas well drilling and oil and gas. It includes oil drilling pipe, oil casing, pump tubing. Oil drill pipes are mainly used to connect drill collar and drill and pass drilling power. Oil casing is mainly used to support the borehole when drilling and after completion, to ensure that the conduct and completion of the drilling process after the normal operation of the entire oil wells. The pipeline mainly used in pumping oil and gas at the bottom transported to the ground.
API 5CT N80 length range R3 casing pipe
| Standard | API 5CT/ ISO11960 | |
| Grade | Group.1 | H40/PSL.1, J55/PSL.1, J55/PSL.2, J55/PSL.3, K55/PSL.1, K55/PSL.2, K55/PSL.3, |
| N80(1)/PSL.1, N80(1)/PSL.2, N80(Q)/PSL.1, N80(Q)/PSL.2, N80(Q)/PSL.3 |
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| Group.2 | M65/PSL.1, M65/PSL.3, L80/PSL.2, L80(1)/PSL.1, L80(1)/PSL.3, L80(9Cr)/PSL.1, L80(13Cr)/PSL.1, C90/PSL.1, C90/PSL.2, C90/PSL.3, T95/PSL.1, T95/PSL.2T95/PSL.3 |
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| Group.3 | P110/PSL.1, P110/PSL.2, P110/PSL.3, | |
| Group.4 | Q125/PSL.1, Q125/PSL.2, Q125/PSL.3, | |
| Minimum Order Quantity | 30 Ton | |
| Outside DiameterRanges | Tubing | 1.66 inch to 4 1/2 inch or 42.16mm to 114.3mm |
| Casing | 4 1/2 inch to 20 inch or 114.3mm to 508mm | |
| Wall Thickness | According to API 5CT Standard | |
| Length | Tubing | R1 (6.10m to 7.32m), R2 (8.53m to 9.75m), R3 (11.58m to 12.80m) |
| Casing | R1 (4.88m to 7.62m), R2 (7.62m to 10.36m), R3 (10.36m to 14.63m) | |
| Type | Seamless | |
| Type of End-Finish | Tubing | P, I, N, U |
| Casing | P, S, B, L | |
OCTG, Tubing in API 5CT Grade J55/K55, N80, C90, C95, P110, Ends EUE & Preimium ends
API 5CT 18″ Sch 60 N80 OCTG Carbon Steel Pipe.
FOB Price: US $500 / Ton
Min. Order: 5 Tons
Type: Seamless
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Black
Section Shape: Round
Length: 5.8-20m
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J55/K55/N80/L80 Oil Casing Tube as Per API 5CT
FOB Price: US $500-900 / Ton
Min. Order: 2 Tons
Type: Seamless
Technique: Cold Drawn
Material: Alloy Steel
Surface Treatment: Oiled
Section Shape: Round
Oil Cssing Tube: API 5CT ,API 5L
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API 5CT N80 Oil and Gas Pipe.
FOB Price: US $400-600 / Ton
Min. Order: 5 Tons
Temperature Classification: Medium Temperature Piping
MPa Classfication: Medium Pressure Piping
Material: Galvanized Iron Pipes
Standard: ASTM
Diameter: 273mm
Medium: Liquid
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API 5CT J55 K55 L80 N80-1 N80-Q P110 Casing/Tubing
FOB Price: US $560 / Ton
Min. Order: 10 Tons
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Black
Usage: Pipeline Transport, Oil/Gas Drilling, Oil Well Casing and Tubing
Section Shape: Round
Size: 1.315″-20″
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N80 P110 OCTG Casing and Tubing with API 5CT
FOB Price: US $500-650 / Ton
Min. Order: 10 Tons
Type: Seamless
Technique: Hot Rolled, Cold Rolled
Material: Carbon Steel
Surface Treatment: Black, Oiled, Varnished, 3PE-Layer, Fbe etc.
Section Shape: Round
Size: 1.050″-20″
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API 5CT J55 Oil Well Used Seamless Carbon Steel Casing Pipe
FOB Price: US $520 / Ton
Min. Order: 5 Tons
Type: Seamless
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Anti-Rust Oil, Varnished, Black Painted, etc.
Usage: Pipeline Transport, Oil/Gas Drilling, Special Purpose
Section Shape: Round
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K55/J55 Seamless Casing and Tubing Coupling for Oil and Gas
FOB Price: US $427-607 / Ton
Min. Order: 5 Tons
Type: Seamless
Material: Carbon Steel
Surface Treatment: Black Painted, Varnished, Oiled
Usage: Pipeline Transport, Connection of Two Threaded Pipes
Section Shape: Round
Casing Steel Grade: H40,J55,K55,L80-1,N80-1,N80-Q,C90,T95,P110,C110
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DIN150 Tube Pipe / Oilfield Carbon Steel Tube Manufacturer
FOB Price: US $500-599 / Ton
Min. Order: 5 Tons
Type: Seamless
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Balck Painting or Oiled
Usage: Pipeline Transport, Oil/Gas Drilling, Mining
Section Shape: Round
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API 5CT K55 J55 9 5/8″ Steel Casing Pipe/Tube
FOB Price: US $500-650 / Ton
Min. Order: 10 Tons
Type: Seamless
Technique: Hot Rolled, Cold Rolled
Material: K55, J55, N80 etc.
Surface Treatment: Black, Varnished, 3PE-Layer, Fbe etc.
Usage: Oil/Gas Drilling
Section Shape: Round
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Carbon Steel API Spec5CT N-80 Oil Casing Pipe
FOB Price: US $450-1,000 / Ton
Min. Order: 1 Ton
Type: Seamless
Technique: Cold Rolled
Material: Carbon Steel
Surface Treatment: Black
Usage: Pipeline Transport, Oil/Gas Drilling
Section Shape: Round
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API 5CT Casing Steel Tube
FOB Price: US $800 / Ton
Min. Order: 20 Tons
Type: Oil Refining & Chemical Equipment
Usage: Oil and Gas Transportation Machinery, Oil and Gas Processing Machinery
Certification: ISO, API
Size: 4-1/2′′ ~ 13-3/8′′
Thickness: 0.205″-0.514″
Grade: J-55,K-55,N-80
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9 5/8″ API Spec5CT J-55 Carbon Steel Oil Casing Tube
FOB Price: US $450-1,000 / Ton
Min. Order: 5 Tons
Type: Seamless
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Oiled
Usage: Pipeline Transport, Oil/Gas Drilling
Section Shape: Round
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API 5CT P110 Seamless Carbon Steel Oil Casing Tube/Pipe
FOB Price: US $450-800 / Ton
Min. Order: 1 Ton
Type: Seamless
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Oiled
Usage: Pipeline Transport, Oil/Gas Drilling, Special Purpose
Section Shape: Round
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API 5ct Seamless Carbon Steel Pipe
FOB Price: US $600-900 / Ton
Min. Order: 2 Tons
Type: Seamless
Technique: Cold Drawn
Material: Carbon Steel
Surface Treatment: Black Paint, Oiled
Usage: Oil/Gas Drilling, Mining
Section Shape: Round
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API SPEC5CT Oil Casing Steel Tube
FOB Price: US $500 / Ton
Min. Order: 1 Ton
Type: Seamless
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Black Painting
Usage: Pipeline Transport
Section Shape: Round
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API 5CT Big Diameter Welded Steel Pipe
FOB Price: US $1,000 / Ton
Min. Order: 1 Ton
Type: Welded
Technique: Hot Rolled
Material: Carbon Steel
Surface Treatment: Black Painting
Usage: Pipeline Transport
Section Shape: Round
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7 Inch Oil Well Casing Pipe, Gas and Petroleum Pipe/Tube
FOB Price: US $451-602 / Ton
Min. Order: 5 Tons
Type: Seamless
Technique: Cold Rolled
Material: Carbon Steel
Surface Treatment: Fbe, 3PE, Epoxy Coating etc.
Usage: Oil/Gas Drilling, Mining
Section Shape: Round
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Round Carbon Steel Seamless Pipe/Alloy Steel Seamless Pipe
FOB Price: US $500 / Ton
Min. Order: 5 Tons
Type: Seamless
Technique: Hot Rolled/Cold Rolled/Cold Drawn
Material: Carbon Steel/Alloy Steel
Surface Treatment: Black/Oiled/Varnished/3 PE/Fbe/Galvanized
Usage: Pipeline Transport, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Special Purpose
Section Shape: Round
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