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Home > products > Oil Drilling Pipe > AISI 4340 Chromoly Alloy Oil Drilling Pipe , Seamless Steel Pipe for Nonferrous Metal Mining Projects

AISI 4340 Chromoly Alloy Oil Drilling Pipe , Seamless Steel Pipe for Nonferrous Metal Mining Projects

Product Details

Place of Origin: China

Brand Name: Hongbao

Certification: ISO9001

Model Number: HBOWD-11

Payment & Shipping Terms

Minimum Order Quantity: 1 ton

Price: Negotiable

Packaging Details: Plywood case, wooden box

Delivery Time: 45 - 60 days

Payment Terms: T/T, L/C

Supply Ability: 3000 tons/month

Get Best Price
Highlight:

AISI 4340 Chromoly drilling pipe

,

seamless steel oilfield pipe

,

oil well exploration steel pipe

Standard:
ASTM, ASME, API
Grade:
4130, 4140, 4145
OD Size:
4-219mm
WT Size:
0.5-20mm
Shape:
Round
Production Process:
Cold Drawn
Application:
Nonferrous Metal Mining Projects
Standard:
ASTM, ASME, API
Grade:
4130, 4140, 4145
OD Size:
4-219mm
WT Size:
0.5-20mm
Shape:
Round
Production Process:
Cold Drawn
Application:
Nonferrous Metal Mining Projects
AISI 4340 Chromoly Alloy Oil Drilling Pipe , Seamless Steel Pipe for Nonferrous Metal Mining Projects

AISI 4340 Chromoly Alloy Oil Drilling Pipe , Seamless Steel Pipe for Nonferrous Metal Mining Projects

 

Description

This AISI 4340 chromoly alloy drilling pipe represents advanced seamless tubing engineered for the most demanding oil drilling and nonferrous mining operations. Manufactured from nickel-chromium-molybdenum alloy steel, it delivers exceptional mechanical properties including ultra-high tensile strength (minimum 130,000 psi yield strength), superior fracture toughness, and outstanding fatigue resistance in extreme operating conditions.

 

The pipe's sophisticated alloy composition provides unparalleled performance in abrasive nonferrous mining environments, particularly in copper, lithium and nickel extraction where equipment faces aggressive wear and corrosive challenges. Its enhanced strength-to-weight ratio makes it ideal for deep-hole drilling applications while maintaining structural integrity under maximum compression loads and severe torsional stresses.

 

Precision-engineered through specialized heat treatment and quenching processes, each length undergoes rigorous ultrasonic testing and quality verification. This seamless pipe offers superior reliability for both drill string components and production casing in critical mining operations, demonstrating exceptional resistance to stress corrosion cracking and hydrogen embrittlement - essential characteristics for maintaining operational safety and efficiency in the world's most challenging nonferrous mining projects.

 

Specification

Specifications 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, Treaded

 

ASTM A519 4130 Pipe 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

 

ASTM A519 4130 Pipe 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, value below normal HRC range, for comparison purposes only.) 17 17
Hardness, Vickers (Converted from Brinell hardness) 228 228
Machinability (Annealed and cold drawn. Based on 100% machinability for AISI 1212 steel.) 70 70

 

ASTM A519 4130 Steel Pipe Equivalent

STANDARD UNS CN WERKSTOFF NR. AFNOR EN JIS BS GOST
AISI 4130 G41300 30CrMo 1.7218 25CrMo4 JIS G4105 BS 970

 

Packing
Bundles with plastic end caps
, wooden box package

 

Application

Mine blasting
Water well drilling
Geothermal wells drilling
Fore poling
Coal
Nonferrous metal mining projects

 

AISI 4340 Chromoly Alloy Oil Drilling Pipe , Seamless Steel Pipe for Nonferrous Metal Mining Projects 0