China Seamless Alloy Steel Well Drilling Tubing Pipe N80 Grade 1.05-20

Seamless Alloy Steel Well Drilling Tubing Pipe N80 Grade 1.05-20" OD EU NU Connection API 5CT

Price Negotiable

Price: Negotiable

MOQ: 1 metric ton

Delivery Time: Negotiable

Brand: Zhongshi

Product Description

Well Drilling Tubing Pipe Overview

Seamless alloy steel tubing pipes designed for oilfield applications, featuring EU and NU connections for reliable transport of crude oil and natural gas to the surface after drilling operations.

Key Features

Seamless construction for superior strength and reliability
Hot-rolled manufacturing process
OD size range: 1.05" to 4.5"
Black protective painting
Upset ends for enhanced connection integrity

Technical Specifications

Product Type	Casing and Tubing
Material	Alloy Steel
Standard	API 5CT
Available Grades	H40, J55, K55, N80, N80Q, R95, P110, Q125
OD Size Range	1.05" to 20"
Thread Types	EU, NU, BTC, STC, LTC, INTEGRAL-JOINT
Application	Oil Country Tubular Goods / Oil Well

Mechanical Properties

Grade	Yield Strength (Min)	Tensile Strength (Min)	Hardness (Max)
J55	55,000 Psi / 379 Mpa	80,000 Psi / 552 Mpa	-
K55	55,000 Psi / 379 Mpa	88,000 Psi / 552 Mpa	-
N80	80,000 Psi / 552 Mpa	110,000 Psi / 758 Mpa	-
N80-1	80,000 Psi / 552 Mpa	95,000 Psi / 655 Mpa	23 HRC / 241 BHN
C90	90,000 Psi / 621 Mpa	105,000 Psi / 724 Mpa	25.4 HRC / 255 BHN
C95	95,000 Psi / 655 Mpa	110,000 Psi / 758 Mpa	-
T95	95,000 Psi / 655 Mpa	110,000 Psi / 758 Mpa	25.4 HRC / 255 BHN
P110	110,000 Psi / 758 Mpa	140,000 Psi / 965 Mpa	-