KN 45 11081 Drill Pipe Casing Cold Rolled Steel Sheet Seamless For Deep Drilling

Place of Origin China
Brand Name Best
Certification API
Model Number 114.3 - 508 mm
Minimum Order Quantity 1 Tons
Price 600 usd/ton
Packaging Details bundle,,painting against corrosion, protective plastic caps, special packing can be offered by customer.
Delivery Time 5-8 working days
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability 100000Ton/Month

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Product Details
Standard KN 45 11081:1997 Grade API J55, API K55, API L80,
Out Diameter API J55, API K55, API L80, Application Seamless For Deep Drilling
Surface Copper Coated Special Pipe API Pipes
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Product Description

Product Name : KN 45 11081:1997 Casing Pipes and tubes type III – seamless for deep drilling – Technical delivery conditions”



We supply API 5CT standard casing pipe with assured quality and competive price.



We have good relationship with domestic big mills/factories that all API cert qualified. All API series steel grade and connections can be supplied at PSL 1, PSL 2, PSL 3 as per your need.



Item API 5CT Oil Casing Pipe
Thickness 4.24mm thickness and more
Outerine Diameter 60.32-339.72mm
Length R1(4.88-7.62M) R2(7.62-10.36M) R3(10.36-14.63M)
Payment term T/T,West Union,Escrow,L/C at sight
Tolerance Comply with standard or requirements
Grade API J55,API K55,API N80,API L80,API P110,API J55-API P110
Surface Treatment After Hot/Cold Rolled
Packing Standard exporting packing or as requirements
Certificate API 5CT (cerfificate No 5CT 0735) ISO 9001:2008


API Oil pipe, Casing pipe




Label 1


Outside diameter


Wall thickness


Grade Type of thread Length
Casing 4-1/2 114.30 5.21-8.56 H40-P110






5 127.00 5.59-12.70 H40-P110
5-1/2 139.70 6.20-22.22 H40-P110
6-5/8 168.28 7.32-12.06 H40-P110
7 177.80 5.87-22.22 H40-P110
Oil pipe 2-3/8 60.32 4.24-8.53 H40-P110




2-7/8 73.02 5.51-11.18 H40-P110
3-1/2 88.90 5.49-13.46 H40-P110
4 101.60 5.74-15.49 H40-P110
4-1/2 114.30 6.88-16.00 H40-P110




Grade Yield Strength(Mpa) Tensile Strength(Mpa) Hardness
J55 379-522 >517  
K55 379-552 >655  
N80 552-758 >689  
L80-1 552-655 >689 23-241
C90 621-724 >689 25.4-255
C95 655-758 >724  
T95 655-758 >724 25.4-255
P110 758-965 >862  




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KN 45 11081 Drill Pipe Casing Cold Rolled Steel Sheet Seamless For Deep Drilling 0