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Home > Products > Oil Well Pipe > Grade 4130 Chromoly High-Tensile Alloy Steel Pipe for Oil Drilling and Drill Rod Tubing with Seamless Construction

Grade 4130 Chromoly High-Tensile Alloy Steel Pipe for Oil Drilling and Drill Rod Tubing with Seamless Construction

Product Details

Place of Origin: China

Brand Name: Hongbao

Certification: ISO9001

Model Number: HBOWD-1

Payment & Shipping Terms

Minimum Order Quantity: 1 ton

Price: Negotiable

Packaging Details: Plywood case

Delivery Time: 45 - 60 days

Payment Terms: T/T,L/C

Supply Ability: 1500 tons/month

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Highlight:

Grade 4130 Chromoly oil drilling pipe

,

high-tensile alloy steel drill rod tubing

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oil well pipe with warranty

Standard:
ASTM, ASME, API
Grade:
4130, 30CrMo,42CrMo
OD Size:
4-219mm
WT Size:
0.5-20mm
Shape:
Round
Production Process:
Cold Drawn, Cold Rolling
Application:
Oil & Gas
Standard:
ASTM, ASME, API
Grade:
4130, 30CrMo,42CrMo
OD Size:
4-219mm
WT Size:
0.5-20mm
Shape:
Round
Production Process:
Cold Drawn, Cold Rolling
Application:
Oil & Gas
Grade 4130 Chromoly High-Tensile Alloy Steel Pipe for Oil Drilling and Drill Rod Tubing with Seamless Construction
Grade 4130 Chromoly Oil Drilling Pipe, High-Tensile Alloy Steel Pipe for Drill Rod Tubing
Product Overview

This Grade 4130 Chromoly Oil Drilling Pipe represents a premium-grade seamless alloy steel pipe specifically engineered for demanding drilling applications in the oil and gas industry. Manufactured from AISI 4130 chromium-molybdenum alloy steel, this high-tensile pipe combines exceptional mechanical strength with superior durability, making it an ideal choice for drill rod tubing and other critical downhole components where reliability and performance are paramount.

The pipe's chromium-molybdenum composition provides an outstanding balance of high tensile strength, excellent toughness, and enhanced fatigue resistance, significantly outperforming conventional carbon steel pipes in demanding drilling environments. With typical yield strengths ranging from 70,000 to 100,000 psi (480-690 MPa), this material maintains its structural integrity under extreme torsional stresses, compression loads, and cyclic bending moments encountered during drilling operations.

The seamless manufacturing process ensures a homogeneous microstructure free from welds and imperfections, providing consistent mechanical properties throughout the pipe length. This chromoly drill pipe is heat-treated to achieve optimal mechanical characteristics, including improved impact resistance and better fatigue life compared to standard drilling materials. Its enhanced strength-to-weight ratio allows for deeper drilling capabilities while reducing overall string weight.

Specifications
Specifications Details
Standards ASTM, ASME and API
Size O.D.: 4 to 219mm W.T.: 0.5 to 20mm
Specialized in Large Diameter Size
Length Within 13500mm
Type Seamless
Shape Round
End Plain End, Beveled End, Threaded
Chemical Composition
Element Content (%)
Iron, Fe 97.03 - 98.22
Chromium, Cr 0.80 - 1.10
Manganese, Mn 0.40 - 0.60
Carbon, C 0.280 - 0.330
Silicon, Si 0.15 - 0.30
Molybdenum, Mo 0.15 - 0.25
Sulfur, S 0.040
Phosphorous, P 0.035
Mechanical Properties
Properties Metric Imperial
Tensile strength, ultimate 560 MPa 81200 psi
Tensile strength, yield 460 MPa 66700 psi
Modulus of elasticity 190-210 GPa 27557-30458 ksi
Bulk modulus (Typical for steel) 140 GPa 20300 ksi
Shear modulus (Typical for steel) 80 GPa 11600 ksi
Poissons ratio 0.27-0.30 0.27-0.30
Elongation at break (in 50 mm) 21.50% 21.50%
Reduction of area 59.6 59.60%
Hardness, Brinell 217 217
Hardness, Knoop (Converted from Brinell hardness) 240 240
Hardness, Rockwell B (Converted from Brinell hardness) 95 95
Hardness, Rockwell C (Converted from Brinell hardness) 17 17
Hardness, Vickers (Converted from Brinell hardness) 228 228
Machinability (Annealed and cold drawn) 70 70
Key Features and Benefits
  • High Tensile Strength: Superior yield and ultimate tensile strength for demanding applications
  • Enhanced Fatigue Resistance: Excellent performance under cyclic loading conditions
  • Improved Toughness: Better impact resistance than conventional carbon steel pipes
  • Seamless Construction: Homogeneous structure without weak points or weld defects
  • Good Machinability: Allows for easy threading and connection manufacturing
Typical Applications

Drill rod tubing for oil and gas exploration, core drilling and exploration drilling operations, downhole tool components and assemblies, mining and geological exploration drilling, heavy-weight drill pipe and bottom hole assemblies.

Grade 4130 Chromoly High-Tensile Alloy Steel Pipe for Oil Drilling and Drill Rod Tubing with Seamless Construction 0 Grade 4130 Chromoly High-Tensile Alloy Steel Pipe for Oil Drilling and Drill Rod Tubing with Seamless Construction 1