Oil Well Drilling Seamless Casing Pipe 4.5-20 Inch Diameter with 0.205-0.635 Inch Wall Thickness

Price Negotiable

Price: Negotiable

MOQ: 1 metric ton

Delivery Time: Negotiable

Brand: Zhongshi

Product Description

Oil Well Drilling Seamless Casing Pipe

High-quality hot rolling alloy steel tubing designed for oil and gas well applications, providing structural support for well walls including surface casing, protective casing, and production casing.

Product Features

Available in sizes from 4 1/2" to 20" diameter
Manufactured using hot rolling process for superior quality
Seamless construction for enhanced strength and reliability

Technical Specifications

Comprehensive size range with detailed dimensional and mechanical properties:

Size Specifications

Size	Linear Mass (lb/ft)	Outside Diameter	Wall Thickness	Grade Compatibility
4 1/2"	9.5-15.1	4.5" (114.3mm)	0.205-0.337" (5.21-8.56mm)	J-55, K-55, M-65, L-80, C-95, N-80, P-110
5"	11.5-24.1	5" (127mm)	0.22-0.5" (5.59-12.7mm)	J-55, K-55, M-65, L-80, C-95, N-80, P-110
5 1/2"	14-43.1	5.5" (139.7mm)	0.244-0.875" (6.2-22.23mm)	J-55, K-55, M-65, L-80, C-95, N-80, P-110
6 5/8"	20-32	6.625" (168.28mm)	0.288-0.475" (7.32-12.06mm)	J-55, K-55, M-65, L-80, C-95, N-80, P-110
7 3/4" - 20"	24-133	8.625"-20" (219.08-508mm)	0.264-0.635" (6.71-16.13mm)	Full grade compatibility across sizes

Mechanical Properties

Steel Grade	Yield Strength (MPa)	Tensile Strength (MPa)	Elongation (%)	Hardness (Max)
H40	276-552	414	0.5	-
J55	379-552	517	0.5	-
K55	379-552	655	0.5	-
N80	552-758	689	0.5	-
M65	448-586	586	0.5	HRC 22 / HBW 235
L80	552-655	655	0.5	HRC 23 / HBW 241
C90	621-724	689	0.5	HRC 25.4 / HBW 255
P110	758-965	862	0.6	HBW -